California 2012 USDA Hardiness Zone Map
View the new 2023 California Hardiness Zone Map
| Zone 4b -25°F to -20°F | Zone 5a -20°F to -15°F | Zone 5b -15°F to -10°F | Zone 6a -10°F to -5°F | Zone 6b -5°F to 0°F |
| Zone 7a 0°F to 5°F | Zone 7b 5°F to 10°F | Zone 8a 10°F to 15°F | Zone 8b 15°F to 20°F | Zone 9a 20°F to 25°F |
| Zone 9b 25°F to 30°F | Zone 10a 30°F to 35°F | Zone 10b 35°F to 40°F | Zone 11a 40°F to 45°F |
Based on the 2012 USDA Hardiness Zone Map, this interactive version covers the state of California which ranges from USDA Zone 4b to USDA Zone 11a.
2012 USDA Hardiness Zone Maps for Neighboring States and Provinces
Related California Maps:
- California 1990 USDA Hardiness Zone Map
- California First Frost Date Map
- California Last Frost Date Map
- Map of California Record High/Low Temperatures
- California Interactive Drought Monitor Map
- California Drought Index Map
- California Heat Zones Map
- Koppen Climate Classification Map for the United States
- Koppen Climate Classification Map for Canada
- Koppen Climate Classification Map for North America
List of 2012 Hardiness Zones for Cities in California
| Location | Hardiness Zone |
|---|---|
| Acampo | Zone 9b: 25°F to 30°F |
| Acton | Zone 9a: 20°F to 25°F |
| Adelanto | Zone 8b: 15°F to 20°F |
| Adin | Zone 6b: -5°F to 0°F |
| Agoura | Zone 10a: 30°F to 35°F |
| Agoura Hills | Zone 10a: 30°F to 35°F |
| Agua Dulce | Zone 9a: 20°F to 25°F |
| Aguanga | Zone 9a: 20°F to 25°F |
| Ahwahnee | Zone 9a: 20°F to 25°F |
| Alameda | Zone 10a: 30°F to 35°F |
| Alamo | Zone 9b: 25°F to 30°F |
| Albany | Zone 10a: 30°F to 35°F |
| Albion | Zone 9b: 25°F to 30°F |
| Alder Springs | Zone 8b: 15°F to 20°F |
| Alderpoint | Zone 9b: 25°F to 30°F |
| Alhambra | Zone 10a: 30°F to 35°F |
| Aliso Viejo | Zone 10a: 30°F to 35°F |
| Alleghany | Zone 8b: 15°F to 20°F |
| Allendale | Zone 9b: 25°F to 30°F |
| Allensworth | Zone 9a: 20°F to 25°F |
| Alondra Park | Zone 10b: 35°F to 40°F |
| Alpaugh | Zone 9a: 20°F to 25°F |
| Alpine | Zone 9b: 25°F to 30°F |
| Alpine Meadows | Zone 6b: -5°F to 0°F |
| Alpine Village | Zone 8b: 15°F to 20°F |
| Alta | Zone 8b: 15°F to 20°F |
| Alta Loma | Zone 9b: 25°F to 30°F |
| Alta Sierra | Zone 9a: 20°F to 25°F |
| Altadena | Zone 10a: 30°F to 35°F |
| Altaville | Zone 9a: 20°F to 25°F |
| Alto | Zone 10a: 30°F to 35°F |
| Alturas | Zone 6a: -10°F to -5°F |
| Alum Rock | Zone 9b: 25°F to 30°F |
| Alviso | Zone 10a: 30°F to 35°F |
| Amador City | Zone 9b: 25°F to 30°F |
| Amboy | Zone 9b: 25°F to 30°F |
| American Canyon | Zone 9b: 25°F to 30°F |
| Amesti | Zone 9b: 25°F to 30°F |
| Anaheim | Zone 10b: 35°F to 40°F |
| Anchor Bay | Zone 9b: 25°F to 30°F |
| Anderson | Zone 9a: 20°F to 25°F |
| Angels Camp | Zone 9a: 20°F to 25°F |
| Angelus Oaks | Zone 8a: 10°F to 15°F |
| Angwin | Zone 9b: 25°F to 30°F |
| Annapolis | Zone 9b: 25°F to 30°F |
| Antelope | Zone 9b: 25°F to 30°F |
| Antioch | Zone 9b: 25°F to 30°F |
| Anza | Zone 8b: 15°F to 20°F |
| Apple Valley | Zone 8b: 15°F to 20°F |
| Applegate | Zone 9a: 20°F to 25°F |
| Aptos | Zone 9b: 25°F to 30°F |
| Aptos Hills-Larkin Valley | Zone 9b: 25°F to 30°F |
| Arbuckle | Zone 9b: 25°F to 30°F |
| Arcadia | Zone 10a: 30°F to 35°F |
| Arcata | Zone 9b: 25°F to 30°F |
| Arden-Arcade | Zone 9b: 25°F to 30°F |
| Armona | Zone 9a: 20°F to 25°F |
| Arnold | Zone 8b: 15°F to 20°F |
| Aromas | Zone 9b: 25°F to 30°F |
| Arroyo Grande | Zone 9b: 25°F to 30°F |
| Artesia | Zone 10b: 35°F to 40°F |
| Artois | Zone 9b: 25°F to 30°F |
| Arvin | Zone 9b: 25°F to 30°F |
| Ashland | Zone 10a: 30°F to 35°F |
| Aspen Springs | Zone 6b: -5°F to 0°F |
| Atascadero | Zone 9a: 20°F to 25°F |
| Atherton | Zone 9b: 25°F to 30°F |
| Atwater | Zone 9a: 20°F to 25°F |
| Atwood | Zone 10a: 30°F to 35°F |
| Auberry | Zone 9a: 20°F to 25°F |
| Auburn | Zone 9b: 25°F to 30°F |
| Auburn Lake Trails | Zone 9a: 20°F to 25°F |
| August | Zone 9a: 20°F to 25°F |
| Avalon | Zone 10b: 35°F to 40°F |
| Avenal | Zone 9b: 25°F to 30°F |
| Avery | Zone 8b: 15°F to 20°F |
| Avila Beach | Zone 10a: 30°F to 35°F |
| Avocado Heights | Zone 10b: 35°F to 40°F |
| Azusa | Zone 10a: 30°F to 35°F |
| Badger | Zone 9b: 25°F to 30°F |
| Baker | Zone 9a: 20°F to 25°F |
| Bakersfield | Zone 9b: 25°F to 30°F |
| Baldwin Park | Zone 10a: 30°F to 35°F |
| Ballard | Zone 9b: 25°F to 30°F |
| Ballico | Zone 9b: 25°F to 30°F |
| Bangor | Zone 9b: 25°F to 30°F |
| Banning | Zone 9b: 25°F to 30°F |
| Banta | Zone 9a: 20°F to 25°F |
| Bard | Zone 10a: 30°F to 35°F |
| Barstow | Zone 8b: 15°F to 20°F |
| Barstow Heights | Zone 9a: 20°F to 25°F |
| Bass Lake | Zone 9a: 20°F to 25°F |
| Bay Point | Zone 9b: 25°F to 30°F |
| Bayside | Zone 9b: 25°F to 30°F |
| Bayview | Zone 9b: 25°F to 30°F |
| Beale Air Force Base | Zone 9b: 25°F to 30°F |
| Bear Creek | Zone 9a: 20°F to 25°F |
| Bear Mountain Ski Resort | Zone 7a: 0°F to 5°F |
| Bear Valley | Zone 9a: 20°F to 25°F |
| Bear Valley Ski Area | Zone 7a: 0°F to 5°F |
| Bear Valley Springs | Zone 9a: 20°F to 25°F |
| Beaumont | Zone 9a: 20°F to 25°F |
| Beckwourth | Zone 6b: -5°F to 0°F |
| Belden | Zone 8b: 15°F to 20°F |
| Bell | Zone 10b: 35°F to 40°F |
| Bell Gardens | Zone 10b: 35°F to 40°F |
| Bella Vista | Zone 9b: 25°F to 30°F |
| Bellflower | Zone 10b: 35°F to 40°F |
| Belmont | Zone 10a: 30°F to 35°F |
| Belvedere | Zone 10a: 30°F to 35°F |
| Ben Lomond | Zone 9a: 20°F to 25°F |
| Benbow | Zone 9b: 25°F to 30°F |
| Bend | Zone 9a: 20°F to 25°F |
| Benicia | Zone 9b: 25°F to 30°F |
| Benton | Zone 7a: 0°F to 5°F |
| Berkeley | Zone 10a: 30°F to 35°F |
| Bermuda Dunes | Zone 9b: 25°F to 30°F |
| Berry Creek | Zone 9a: 20°F to 25°F |
| Bertsch-Oceanview | Zone 9b: 25°F to 30°F |
| Beswick | Zone 7b: 5°F to 10°F |
| Bethel Island | Zone 9b: 25°F to 30°F |
| Beverly Hills | Zone 10b: 35°F to 40°F |
| Bieber | Zone 6b: -5°F to 0°F |
| Big Bar | Zone 8b: 15°F to 20°F |
| Big Bear City | Zone 7a: 0°F to 5°F |
| Big Bear Lake | Zone 7a: 0°F to 5°F |
| Big Bend | Zone 8b: 15°F to 20°F |
| Big Creek | Zone 8b: 15°F to 20°F |
| Big Lagoon | Zone 9b: 25°F to 30°F |
| Big Oak Flat | Zone 8b: 15°F to 20°F |
| Big Pine | Zone 8a: 10°F to 15°F |
| Big River | Zone 9b: 25°F to 30°F |
| Big Sur | Zone 9b: 25°F to 30°F |
| Biggs | Zone 9b: 25°F to 30°F |
| Biola | Zone 9a: 20°F to 25°F |
| Birds Landing | Zone 9b: 25°F to 30°F |
| Bishop | Zone 7b: 5°F to 10°F |
| Black Point-Green Point | Zone 9b: 25°F to 30°F |
| Blackhawk | Zone 9b: 25°F to 30°F |
| Blairsden | Zone 7a: 0°F to 5°F |
| Blairsden-graeagle | Zone 7a: 0°F to 5°F |
| Blocksburg | Zone 9b: 25°F to 30°F |
| Bloomfield | Zone 9b: 25°F to 30°F |
| Bloomington | Zone 9b: 25°F to 30°F |
| Blue Canyon | Zone 8b: 15°F to 20°F |
| Blue Jay | Zone 8a: 10°F to 15°F |
| Blue Lake | Zone 9b: 25°F to 30°F |
| Bluewater | Zone 9b: 25°F to 30°F |
| Blythe | Zone 9b: 25°F to 30°F |
| Bodega | Zone 9b: 25°F to 30°F |
| Bodega Bay | Zone 9b: 25°F to 30°F |
| Bodfish | Zone 9a: 20°F to 25°F |
| Bodie | Zone 5b: -15°F to -10°F |
| Bolinas | Zone 10a: 30°F to 35°F |
| Bombay Beach | Zone 9b: 25°F to 30°F |
| Bonadelle Ranchos-Madera Ranchos | Zone 9b: 25°F to 30°F |
| Bonita | Zone 10a: 30°F to 35°F |
| Bonny Doon | Zone 10b: 35°F to 40°F |
| Bonsall | Zone 10a: 30°F to 35°F |
| Boonville | Zone 9b: 25°F to 30°F |
| Bootjack | Zone 9a: 20°F to 25°F |
| Boron | Zone 8b: 15°F to 20°F |
| Boronda | Zone 9b: 25°F to 30°F |
| Borrego Springs | Zone 9b: 25°F to 30°F |
| Bostonia | Zone 10a: 30°F to 35°F |
| Boulder Creek | Zone 9a: 20°F to 25°F |
| Boulevard | Zone 8b: 15°F to 20°F |
| Bowles | Zone 9b: 25°F to 30°F |
| Boyes Hot Springs | Zone 9b: 25°F to 30°F |
| Bradbury | Zone 10a: 30°F to 35°F |
| Bradley | Zone 9a: 20°F to 25°F |
| Brandeis | Zone 10a: 30°F to 35°F |
| Branscomb | Zone 9a: 20°F to 25°F |
| Brawley | Zone 9b: 25°F to 30°F |
| Brea | Zone 10a: 30°F to 35°F |
| Brentwood | Zone 9b: 25°F to 30°F |
| Bret Harte | Zone 9b: 25°F to 30°F |
| Bridgeport | Zone 5b: -15°F to -10°F |
| Bridgeville | Zone 9a: 20°F to 25°F |
| Brisbane | Zone 10b: 35°F to 40°F |
| Broadmoor | Zone 10b: 35°F to 40°F |
| Brookdale | Zone 9a: 20°F to 25°F |
| Brooks | Zone 9a: 20°F to 25°F |
| Brooktrails | Zone 9a: 20°F to 25°F |
| Browns Valley | Zone 9b: 25°F to 30°F |
| Brownsville | Zone 9a: 20°F to 25°F |
| Bryn Mawr | Zone 9b: 25°F to 30°F |
| Buck Meadows | Zone 8b: 15°F to 20°F |
| Bucks Lake | Zone 8a: 10°F to 15°F |
| Buellton | Zone 9b: 25°F to 30°F |
| Buena Park | Zone 10b: 35°F to 40°F |
| Buena Vista | Zone 9b: 25°F to 30°F |
| Burbank | Zone 10a: 30°F to 35°F |
| Burlingame | Zone 10a: 30°F to 35°F |
| Burney | Zone 7a: 0°F to 5°F |
| Burnt Ranch | Zone 8b: 15°F to 20°F |
| Burrel | Zone 9a: 20°F to 25°F |
| Burson | Zone 9b: 25°F to 30°F |
| Butte City | Zone 9b: 25°F to 30°F |
| Butte Meadows | Zone 8a: 10°F to 15°F |
| Buttonwillow | Zone 9a: 20°F to 25°F |
| Byron | Zone 9b: 25°F to 30°F |
| Bystrom | Zone 9b: 25°F to 30°F |
| C-Road | Zone 7a: 0°F to 5°F |
| Cabazon | Zone 9b: 25°F to 30°F |
| Cactus City | Zone 9a: 20°F to 25°F |
| Cajon | Zone 9a: 20°F to 25°F |
| Calabasas | Zone 10a: 30°F to 35°F |
| Calexico | Zone 10a: 30°F to 35°F |
| Caliente | Zone 9b: 25°F to 30°F |
| California City | Zone 8b: 15°F to 20°F |
| California Hot Springs | Zone 8b: 15°F to 20°F |
| California Pines | Zone 6b: -5°F to 0°F |
| Calimesa | Zone 9b: 25°F to 30°F |
| Calipatria | Zone 9b: 25°F to 30°F |
| Calistoga | Zone 9a: 20°F to 25°F |
| Callahan | Zone 7b: 5°F to 10°F |
| Callender | Zone 9b: 25°F to 30°F |
| Calpella | Zone 9a: 20°F to 25°F |
| Calpine | Zone 6b: -5°F to 0°F |
| Calwa | Zone 9b: 25°F to 30°F |
| Camanche Village | Zone 9b: 25°F to 30°F |
| Camarillo | Zone 10a: 30°F to 35°F |
| Cambria | Zone 9b: 25°F to 30°F |
| Cambrian Park | Zone 9b: 25°F to 30°F |
| Cameron Park | Zone 9a: 20°F to 25°F |
| Camino | Zone 9a: 20°F to 25°F |
| Camp Meeker | Zone 9b: 25°F to 30°F |
| Camp Nelson | Zone 8b: 15°F to 20°F |
| Camp Pendleton | Zone 9b: 25°F to 30°F |
| Camp Pendleton North | Zone 9b: 25°F to 30°F |
| Camp Pendleton South | Zone 10a: 30°F to 35°F |
| Camp Roberts | Zone 9a: 20°F to 25°F |
| Campbell | Zone 9b: 25°F to 30°F |
| Campo | Zone 8b: 15°F to 20°F |
| Campo Seco | Zone 9b: 25°F to 30°F |
| Camptonville | Zone 8b: 15°F to 20°F |
| Canby | Zone 6a: -10°F to -5°F |
| Canoga Park | Zone 9b: 25°F to 30°F |
| Cantil | Zone 8a: 10°F to 15°F |
| Cantua Creek | Zone 9a: 20°F to 25°F |
| Canyon | Zone 10a: 30°F to 35°F |
| Canyon Country | Zone 9b: 25°F to 30°F |
| Canyon Dam | Zone 7b: 5°F to 10°F |
| Canyon Lake | Zone 9a: 20°F to 25°F |
| Capay | Zone 9a: 20°F to 25°F |
| Capetown | Zone 9b: 25°F to 30°F |
| Capistrano Beach | Zone 10a: 30°F to 35°F |
| Capitola | Zone 9b: 25°F to 30°F |
| Cardiff-by-the-Sea | Zone 10a: 30°F to 35°F |
| Carlotta | Zone 9b: 25°F to 30°F |
| Carlsbad | Zone 10a: 30°F to 35°F |
| Carmel | Zone 10a: 30°F to 35°F |
| Carmel Valley | Zone 9b: 25°F to 30°F |
| Carmel Valley Village | Zone 9b: 25°F to 30°F |
| Carmet | Zone 9b: 25°F to 30°F |
| Carmichael | Zone 9b: 25°F to 30°F |
| Carnelian Bay | Zone 6b: -5°F to 0°F |
| Carpinteria | Zone 10a: 30°F to 35°F |
| Carrick | Zone 7b: 5°F to 10°F |
| Carson | Zone 10b: 35°F to 40°F |
| Cartago | Zone 8b: 15°F to 20°F |
| Caruthers | Zone 9a: 20°F to 25°F |
| Casa Conejo | Zone 10a: 30°F to 35°F |
| Casa de Oro-Mount Helix | Zone 10a: 30°F to 35°F |
| Casmalia | Zone 9b: 25°F to 30°F |
| Caspar | Zone 9b: 25°F to 30°F |
| Cassel | Zone 7a: 0°F to 5°F |
| Castaic | Zone 9b: 25°F to 30°F |
| Castella | Zone 8b: 15°F to 20°F |
| Castro Valley | Zone 10a: 30°F to 35°F |
| Castroville | Zone 9b: 25°F to 30°F |
| Caswells | Zone 9a: 20°F to 25°F |
| Cathedral City | Zone 9b: 25°F to 30°F |
| Catheys Valley | Zone 9a: 20°F to 25°F |
| Cayucos | Zone 9b: 25°F to 30°F |
| Cazadero | Zone 9b: 25°F to 30°F |
| Cecilville | Zone 8a: 10°F to 15°F |
| Cedar Glen | Zone 8a: 10°F to 15°F |
| Cedar Ridge | Zone 8b: 15°F to 20°F |
| Cedarpines Park | Zone 8b: 15°F to 20°F |
| Cedarville | Zone 6b: -5°F to 0°F |
| Centerville | Zone 9b: 25°F to 30°F |
| Central Valley | Zone 9b: 25°F to 30°F |
| Century City | Zone 10b: 35°F to 40°F |
| Ceres | Zone 9b: 25°F to 30°F |
| Cerritos | Zone 10b: 35°F to 40°F |
| Challenge | Zone 9a: 20°F to 25°F |
| Challenge-Brownsville | Zone 9a: 20°F to 25°F |
| Chambless | Zone 9a: 20°F to 25°F |
| Channel Islands Beach | Zone 10a: 30°F to 35°F |
| Charter Oak | Zone 10a: 30°F to 35°F |
| Chatsworth | Zone 9b: 25°F to 30°F |
| Cherokee | Zone 9b: 25°F to 30°F |
| Cherokee Strip | Zone 9b: 25°F to 30°F |
| Cherry Valley | Zone 9a: 20°F to 25°F |
| Cherryland | Zone 10a: 30°F to 35°F |
| Chester | Zone 7a: 0°F to 5°F |
| Chicago Park | Zone 9a: 20°F to 25°F |
| Chico | Zone 9a: 20°F to 25°F |
| Chilcoot | Zone 7a: 0°F to 5°F |
| Chilcoot-Vinton | Zone 7a: 0°F to 5°F |
| China Lake | Zone 8b: 15°F to 20°F |
| China Lake Acres | Zone 8b: 15°F to 20°F |
| Chinese Camp | Zone 9a: 20°F to 25°F |
| Chino | Zone 10a: 30°F to 35°F |
| Chino Hills | Zone 10a: 30°F to 35°F |
| Chiriaco Summit | Zone 9b: 25°F to 30°F |
| Chowchilla | Zone 9a: 20°F to 25°F |
| Chualar | Zone 9b: 25°F to 30°F |
| Chula Vista | Zone 10a: 30°F to 35°F |
| Cima | Zone 8b: 15°F to 20°F |
| Citrus | Zone 10a: 30°F to 35°F |
| Citrus Heights | Zone 9b: 25°F to 30°F |
| City of Industry | Zone 10a: 30°F to 35°F |
| Claremont | Zone 10a: 30°F to 35°F |
| Clarksburg | Zone 9b: 25°F to 30°F |
| Clay | Zone 9b: 25°F to 30°F |
| Clayton | Zone 9b: 25°F to 30°F |
| Clear Creek | Zone 6b: -5°F to 0°F |
| Clearlake | Zone 8b: 15°F to 20°F |
| Clearlake Oaks | Zone 8b: 15°F to 20°F |
| Clearlake Park | Zone 8b: 15°F to 20°F |
| Clements | Zone 9b: 25°F to 30°F |
| Cleone | Zone 9b: 25°F to 30°F |
| Clio | Zone 7a: 0°F to 5°F |
| Clipper Mills | Zone 8b: 15°F to 20°F |
| Cloverdale | Zone 9b: 25°F to 30°F |
| Clovis | Zone 9b: 25°F to 30°F |
| Clyde | Zone 9b: 25°F to 30°F |
| Coachella | Zone 9b: 25°F to 30°F |
| Coalinga | Zone 9a: 20°F to 25°F |
| Coarsegold | Zone 9a: 20°F to 25°F |
| Cobb | Zone 9a: 20°F to 25°F |
| Coffee Creek | Zone 8a: 10°F to 15°F |
| Cohasset | Zone 8b: 15°F to 20°F |
| Cold Springs | Zone 9b: 25°F to 30°F |
| Coleville | Zone 6b: -5°F to 0°F |
| Colfax | Zone 9a: 20°F to 25°F |
| College City | Zone 9b: 25°F to 30°F |
| Collierville | Zone 9b: 25°F to 30°F |
| Colma | Zone 10b: 35°F to 40°F |
| Coloma | Zone 9b: 25°F to 30°F |
| Colton | Zone 9b: 25°F to 30°F |
| Columbia | Zone 9a: 20°F to 25°F |
| Colusa | Zone 9b: 25°F to 30°F |
| Commerce | Zone 10b: 35°F to 40°F |
| Comptche | Zone 9b: 25°F to 30°F |
| Compton | Zone 10b: 35°F to 40°F |
| Concord | Zone 9b: 25°F to 30°F |
| Concow | Zone 8b: 15°F to 20°F |
| Cool | Zone 9a: 20°F to 25°F |
| Copperopolis | Zone 9b: 25°F to 30°F |
| Corcoran | Zone 9a: 20°F to 25°F |
| Corning | Zone 9a: 20°F to 25°F |
| Corona | Zone 9b: 25°F to 30°F |
| Corona Del Mar | Zone 10b: 35°F to 40°F |
| Coronado | Zone 10b: 35°F to 40°F |
| Corralitos | Zone 9b: 25°F to 30°F |
| Corte Madera | Zone 10a: 30°F to 35°F |
| Costa Mesa | Zone 10b: 35°F to 40°F |
| Cotati | Zone 9b: 25°F to 30°F |
| Coto De Caza | Zone 10a: 30°F to 35°F |
| Cottonwood | Zone 9a: 20°F to 25°F |
| Coulterville | Zone 9a: 20°F to 25°F |
| Country Club | Zone 9a: 20°F to 25°F |
| Courtland | Zone 9b: 25°F to 30°F |
| Covelo | Zone 8b: 15°F to 20°F |
| Covina | Zone 10a: 30°F to 35°F |
| Coyote | Zone 9b: 25°F to 30°F |
| Coyote Wells | Zone 9b: 25°F to 30°F |
| Crescent City | Zone 9b: 25°F to 30°F |
| Crescent City North | Zone 9b: 25°F to 30°F |
| Crescent Mills | Zone 7b: 5°F to 10°F |
| Cressey | Zone 9b: 25°F to 30°F |
| Crest | Zone 10a: 30°F to 35°F |
| Crest Park | Zone 8b: 15°F to 20°F |
| Crestline | Zone 8b: 15°F to 20°F |
| Creston | Zone 9a: 20°F to 25°F |
| Crockett | Zone 9b: 25°F to 30°F |
| Cromberg | Zone 7a: 0°F to 5°F |
| Crows Landing | Zone 9b: 25°F to 30°F |
| Cudahy | Zone 10b: 35°F to 40°F |
| Culver City | Zone 10b: 35°F to 40°F |
| Cupertino | Zone 9b: 25°F to 30°F |
| Cutler | Zone 9b: 25°F to 30°F |
| Cutten | Zone 9b: 25°F to 30°F |
| Cuyama | Zone 8b: 15°F to 20°F |
| Cypress | Zone 10b: 35°F to 40°F |
| Daggett | Zone 9a: 20°F to 25°F |
| Daly City | Zone 10b: 35°F to 40°F |
| Dana Point | Zone 10a: 30°F to 35°F |
| Danville | Zone 9b: 25°F to 30°F |
| Daphnedale Park | Zone 6a: -10°F to -5°F |
| Dardanelle | Zone 6b: -5°F to 0°F |
| Darwin | Zone 8a: 10°F to 15°F |
| Davenport | Zone 9b: 25°F to 30°F |
| Davis | Zone 9b: 25°F to 30°F |
| Davis Creek | Zone 6b: -5°F to 0°F |
| Day Valley | Zone 10a: 30°F to 35°F |
| Death Valley | Zone 9b: 25°F to 30°F |
| Death Valley Junction | Zone 8b: 15°F to 20°F |
| Dedrick | Zone 8a: 10°F to 15°F |
| Deer Park | Zone 9a: 20°F to 25°F |
| Del Aire | Zone 10b: 35°F to 40°F |
| Del Mar | Zone 10a: 30°F to 35°F |
| Del Monte Forest | Zone 10a: 30°F to 35°F |
| Del Rey | Zone 9b: 25°F to 30°F |
| Del Rey Oaks | Zone 9b: 25°F to 30°F |
| Del Rio | Zone 9b: 25°F to 30°F |
| Delano | Zone 9b: 25°F to 30°F |
| Delft Colony | Zone 9b: 25°F to 30°F |
| Delhi | Zone 9b: 25°F to 30°F |
| Delleker | Zone 6b: -5°F to 0°F |
| Denair | Zone 9b: 25°F to 30°F |
| Denny | Zone 8b: 15°F to 20°F |
| Derby Acres | Zone 9b: 25°F to 30°F |
| Descanso | Zone 8b: 15°F to 20°F |
| Desert | Zone 8b: 15°F to 20°F |
| Desert Center | Zone 10a: 30°F to 35°F |
| Desert Edge | Zone 9b: 25°F to 30°F |
| Desert Hot Springs | Zone 9b: 25°F to 30°F |
| Desert Shores | Zone 9b: 25°F to 30°F |
| Desert View Highlands | Zone 8b: 15°F to 20°F |
| Diablo | Zone 9b: 25°F to 30°F |
| Diamond Bar | Zone 10a: 30°F to 35°F |
| Diamond Springs | Zone 9a: 20°F to 25°F |
| Dillon Beach | Zone 9b: 25°F to 30°F |
| Dinuba | Zone 9b: 25°F to 30°F |
| Discovery Bay | Zone 9b: 25°F to 30°F |
| Disney California Adventure | Zone 10b: 35°F to 40°F |
| Disney Cars Land | Zone 10b: 35°F to 40°F |
| Disneyland Resort | Zone 10b: 35°F to 40°F |
| Dixon | Zone 9b: 25°F to 30°F |
| Dixon Lane-Meadow Creek | Zone 7b: 5°F to 10°F |
| Dobbins | Zone 9a: 20°F to 25°F |
| Dodgertown | Zone 10b: 35°F to 40°F |
| Dogtown | Zone 9b: 25°F to 30°F |
| Dollar Point | Zone 7a: 0°F to 5°F |
| Donner Ski Ranch | Zone 6b: -5°F to 0°F |
| Dorrington | Zone 8a: 10°F to 15°F |
| Dorris | Zone 6b: -5°F to 0°F |
| Dos Palos | Zone 9a: 20°F to 25°F |
| Dos Palos Y | Zone 9a: 20°F to 25°F |
| Dos Rios | Zone 9a: 20°F to 25°F |
| Douglas City | Zone 8b: 15°F to 20°F |
| Douglas Flat | Zone 9a: 20°F to 25°F |
| Downey | Zone 10b: 35°F to 40°F |
| Downieville | Zone 8b: 15°F to 20°F |
| Doyle | Zone 7a: 0°F to 5°F |
| Drytown | Zone 9b: 25°F to 30°F |
| Duarte | Zone 10a: 30°F to 35°F |
| Dublin | Zone 9b: 25°F to 30°F |
| Ducor | Zone 9b: 25°F to 30°F |
| Dulzura | Zone 9b: 25°F to 30°F |
| Duncans Mills | Zone 9b: 25°F to 30°F |
| Dunlap | Zone 9a: 20°F to 25°F |
| Dunnigan | Zone 9b: 25°F to 30°F |
| Dunsmuir | Zone 8a: 10°F to 15°F |
| Durham | Zone 9a: 20°F to 25°F |
| Dustin Acres | Zone 9a: 20°F to 25°F |
| Dutch Flat | Zone 8b: 15°F to 20°F |
| Eagleville | Zone 6b: -5°F to 0°F |
| Earlimart | Zone 9a: 20°F to 25°F |
| Earp | Zone 9b: 25°F to 30°F |
| East Blythe | Zone 9b: 25°F to 30°F |
| East Compton | Zone 10b: 35°F to 40°F |
| East Foothills | Zone 9b: 25°F to 30°F |
| East Hemet | Zone 9a: 20°F to 25°F |
| East Irvine | Zone 10a: 30°F to 35°F |
| East La Mirada | Zone 10b: 35°F to 40°F |
| East Los Angeles | Zone 10b: 35°F to 40°F |
| East Nicolaus | Zone 9b: 25°F to 30°F |
| East Oakdale | Zone 9b: 25°F to 30°F |
| East Orosi | Zone 9b: 25°F to 30°F |
| East Palo Alto | Zone 9b: 25°F to 30°F |
| East Pasadena | Zone 10a: 30°F to 35°F |
| East Porterville | Zone 9b: 25°F to 30°F |
| East Quincy | Zone 8a: 10°F to 15°F |
| East Rancho Dominguez | Zone 10b: 35°F to 40°F |
| East Richmond Heights | Zone 10a: 30°F to 35°F |
| East San Gabriel | Zone 10a: 30°F to 35°F |
| East Shore | Zone 7a: 0°F to 5°F |
| East Sonora | Zone 9a: 20°F to 25°F |
| Easton | Zone 9b: 25°F to 30°F |
| Echo Lake | Zone 7a: 0°F to 5°F |
| Edgewood | Zone 7b: 5°F to 10°F |
| Edison | Zone 9b: 25°F to 30°F |
| Edmundson Acres | Zone 9b: 25°F to 30°F |
| Edna | Zone 9b: 25°F to 30°F |
| Edwards | Zone 8b: 15°F to 20°F |
| Edwards Air Force Base | Zone 8b: 15°F to 20°F |
| El Cajon | Zone 10a: 30°F to 35°F |
| El Centro | Zone 10a: 30°F to 35°F |
| El Cerrito | Zone 10a: 30°F to 35°F |
| El Dorado | Zone 9a: 20°F to 25°F |
| El Dorado Hills | Zone 9b: 25°F to 30°F |
| El Granada | Zone 10a: 30°F to 35°F |
| El Macero | Zone 9b: 25°F to 30°F |
| El Mirage | Zone 8a: 10°F to 15°F |
| El Monte | Zone 10a: 30°F to 35°F |
| El Nido | Zone 9a: 20°F to 25°F |
| El Portal | Zone 9a: 20°F to 25°F |
| El Rio | Zone 10a: 30°F to 35°F |
| El Segundo | Zone 10b: 35°F to 40°F |
| El Sobrante | Zone 10a: 30°F to 35°F |
| El Toro | Zone 10a: 30°F to 35°F |
| El Verano | Zone 9b: 25°F to 30°F |
| Eldridge | Zone 9b: 25°F to 30°F |
| Elk | Zone 9b: 25°F to 30°F |
| Elk Creek | Zone 9a: 20°F to 25°F |
| Elk Grove | Zone 9b: 25°F to 30°F |
| Elkhorn | Zone 9b: 25°F to 30°F |
| Elmira | Zone 9b: 25°F to 30°F |
| Elverta | Zone 9b: 25°F to 30°F |
| Emerald Lake Hills | Zone 9b: 25°F to 30°F |
| Emeryville | Zone 10a: 30°F to 35°F |
| Emigrant Gap | Zone 8a: 10°F to 15°F |
| Empire | Zone 9b: 25°F to 30°F |
| Encinitas | Zone 10a: 30°F to 35°F |
| Encino | Zone 10a: 30°F to 35°F |
| Escalon | Zone 9b: 25°F to 30°F |
| Escondido | Zone 9b: 25°F to 30°F |
| Esparto | Zone 9b: 25°F to 30°F |
| Essex | Zone 9a: 20°F to 25°F |
| Etna | Zone 7b: 5°F to 10°F |
| Eucalyptus Hills | Zone 10a: 30°F to 35°F |
| Eureka | Zone 9b: 25°F to 30°F |
| Exeter | Zone 9b: 25°F to 30°F |
| Fair Oaks | Zone 9b: 25°F to 30°F |
| Fairbanks Ranch | Zone 10a: 30°F to 35°F |
| Fairfax | Zone 10a: 30°F to 35°F |
| Fairfield | Zone 9b: 25°F to 30°F |
| Fairmead | Zone 9a: 20°F to 25°F |
| Fairview | Zone 9b: 25°F to 30°F |
| Fall River Mills | Zone 7a: 0°F to 5°F |
| Fallbrook | Zone 10b: 35°F to 40°F |
| Farmersville | Zone 9b: 25°F to 30°F |
| Farmington | Zone 9b: 25°F to 30°F |
| Fawnskin | Zone 7a: 0°F to 5°F |
| Feather Falls | Zone 8b: 15°F to 20°F |
| Fellows | Zone 9b: 25°F to 30°F |
| Felton | Zone 9b: 25°F to 30°F |
| Ferndale | Zone 9b: 25°F to 30°F |
| Fetters Hot Springs-Agua Caliente | Zone 9b: 25°F to 30°F |
| Fiddletown | Zone 9a: 20°F to 25°F |
| Fieldbrook | Zone 9b: 25°F to 30°F |
| Fields Landing | Zone 9b: 25°F to 30°F |
| Fillmore | Zone 9b: 25°F to 30°F |
| Finley | Zone 9a: 20°F to 25°F |
| Firebaugh | Zone 9a: 20°F to 25°F |
| Fish Camp | Zone 8a: 10°F to 15°F |
| Five Points | Zone 9a: 20°F to 25°F |
| Florence-Graham | Zone 10b: 35°F to 40°F |
| Florin | Zone 9b: 25°F to 30°F |
| Floriston | Zone 6b: -5°F to 0°F |
| Flournoy | Zone 9b: 25°F to 30°F |
| Folsom | Zone 9b: 25°F to 30°F |
| Fontana | Zone 10a: 30°F to 35°F |
| Foothill Farms | Zone 9b: 25°F to 30°F |
| Foothill Ranch | Zone 10a: 30°F to 35°F |
| Forbestown | Zone 8b: 15°F to 20°F |
| Ford City | Zone 9b: 25°F to 30°F |
| Forest Falls | Zone 7b: 5°F to 10°F |
| Forest Knolls | Zone 10a: 30°F to 35°F |
| Forest Meadows | Zone 9a: 20°F to 25°F |
| Forest Ranch | Zone 8b: 15°F to 20°F |
| Foresthill | Zone 9a: 20°F to 25°F |
| Forestville | Zone 9a: 20°F to 25°F |
| Forks Of Salmon | Zone 8b: 15°F to 20°F |
| Fort Bidwell | Zone 6b: -5°F to 0°F |
| Fort Bragg | Zone 9b: 25°F to 30°F |
| Fort Dick | Zone 9b: 25°F to 30°F |
| Fort Irwin | Zone 9a: 20°F to 25°F |
| Fort Jones | Zone 7b: 5°F to 10°F |
| Fort Ross | Zone 9b: 25°F to 30°F |
| Fortuna | Zone 9b: 25°F to 30°F |
| Foster City | Zone 10a: 30°F to 35°F |
| Fountain Valley | Zone 10b: 35°F to 40°F |
| Fowler | Zone 9b: 25°F to 30°F |
| Franklin | Zone 9b: 25°F to 30°F |
| Frazier Park | Zone 8a: 10°F to 15°F |
| Freedom | Zone 9b: 25°F to 30°F |
| Freeport | Zone 9b: 25°F to 30°F |
| Fremont | Zone 10a: 30°F to 35°F |
| French Camp | Zone 9b: 25°F to 30°F |
| French Gulch | Zone 9a: 20°F to 25°F |
| Fresno | Zone 9b: 25°F to 30°F |
| Friant | Zone 9b: 25°F to 30°F |
| Fruitdale | Zone 9b: 25°F to 30°F |
| Fuller Acres | Zone 9b: 25°F to 30°F |
| Fullerton | Zone 10b: 35°F to 40°F |
| Fulton | Zone 9b: 25°F to 30°F |
| Furnace Creek | Zone 9b: 25°F to 30°F |
| Galt | Zone 9b: 25°F to 30°F |
| Garberville | Zone 9b: 25°F to 30°F |
| Garden Acres | Zone 9a: 20°F to 25°F |
| Garden Farms | Zone 9a: 20°F to 25°F |
| Garden Grove | Zone 10b: 35°F to 40°F |
| Garden Valley | Zone 9a: 20°F to 25°F |
| Gardena | Zone 10b: 35°F to 40°F |
| Garey | Zone 9b: 25°F to 30°F |
| Garnet | Zone 9b: 25°F to 30°F |
| Gasquet | Zone 9a: 20°F to 25°F |
| Gazelle | Zone 8a: 10°F to 15°F |
| Genesee | Zone 7a: 0°F to 5°F |
| Georgetown | Zone 9a: 20°F to 25°F |
| Gerber | Zone 9a: 20°F to 25°F |
| Geyserville | Zone 9b: 25°F to 30°F |
| Gilroy | Zone 9b: 25°F to 30°F |
| Glamis | Zone 10a: 30°F to 35°F |
| Glen Avon | Zone 9b: 25°F to 30°F |
| Glen Ellen | Zone 9b: 25°F to 30°F |
| Glencoe | Zone 9a: 20°F to 25°F |
| Glendale | Zone 10a: 30°F to 35°F |
| Glendora | Zone 10a: 30°F to 35°F |
| Glenhaven | Zone 8b: 15°F to 20°F |
| Glenn | Zone 9b: 25°F to 30°F |
| Glennville | Zone 8a: 10°F to 15°F |
| Goffs | Zone 9a: 20°F to 25°F |
| Gold River | Zone 9b: 25°F to 30°F |
| Gold Run | Zone 8b: 15°F to 20°F |
| Golden Hills | Zone 8b: 15°F to 20°F |
| Goleta | Zone 10a: 30°F to 35°F |
| Gonzales | Zone 9b: 25°F to 30°F |
| Good Hope | Zone 9a: 20°F to 25°F |
| Goodyears Bar | Zone 8b: 15°F to 20°F |
| Gorman | Zone 9a: 20°F to 25°F |
| Goshen | Zone 9b: 25°F to 30°F |
| Graeagle | Zone 7a: 0°F to 5°F |
| Granada Hills | Zone 9b: 25°F to 30°F |
| Grand Terrace | Zone 9b: 25°F to 30°F |
| Grangeville | Zone 9a: 20°F to 25°F |
| Granite Bay | Zone 9b: 25°F to 30°F |
| Granite Hills | Zone 10a: 30°F to 35°F |
| Graniteville | Zone 8a: 10°F to 15°F |
| Grass Valley | Zone 9a: 20°F to 25°F |
| Graton | Zone 9a: 20°F to 25°F |
| Grayson | Zone 9b: 25°F to 30°F |
| Greeley Hill | Zone 8b: 15°F to 20°F |
| Green Acres | Zone 9a: 20°F to 25°F |
| Green Valley | Zone 9b: 25°F to 30°F |
| Green Valley Lake | Zone 7b: 5°F to 10°F |
| Greenacres | Zone 9b: 25°F to 30°F |
| Greenbrae | Zone 10a: 30°F to 35°F |
| Greenfield | Zone 9b: 25°F to 30°F |
| Greenhorn | Zone 7b: 5°F to 10°F |
| Greenview | Zone 7b: 5°F to 10°F |
| Greenville | Zone 7b: 5°F to 10°F |
| Greenwood | Zone 9a: 20°F to 25°F |
| Grenada | Zone 8a: 10°F to 15°F |
| Gridley | Zone 9b: 25°F to 30°F |
| Grimes | Zone 9b: 25°F to 30°F |
| Grizzly Flat | Zone 8b: 15°F to 20°F |
| Grommet | Zone 9b: 25°F to 30°F |
| Groveland | Zone 8b: 15°F to 20°F |
| Grover Beach | Zone 10a: 30°F to 35°F |
| Guadalupe | Zone 9b: 25°F to 30°F |
| Gualala | Zone 9b: 25°F to 30°F |
| Guasti | Zone 10a: 30°F to 35°F |
| Guatay | Zone 8b: 15°F to 20°F |
| Guerneville | Zone 9b: 25°F to 30°F |
| Guinda | Zone 9a: 20°F to 25°F |
| Gustine | Zone 9a: 20°F to 25°F |
| Hacienda Heights | Zone 10a: 30°F to 35°F |
| Half Moon Bay | Zone 10a: 30°F to 35°F |
| Hamilton Branch | Zone 7a: 0°F to 5°F |
| Hamilton City | Zone 9a: 20°F to 25°F |
| Hanford | Zone 9a: 20°F to 25°F |
| Happy Camp | Zone 8b: 15°F to 20°F |
| Harbison Canyon | Zone 9b: 25°F to 30°F |
| Harbor City | Zone 10b: 35°F to 40°F |
| Hardwick | Zone 9a: 20°F to 25°F |
| Harmony | Zone 9b: 25°F to 30°F |
| Hartland | Zone 9a: 20°F to 25°F |
| Hartley | Zone 9b: 25°F to 30°F |
| Hat Creek | Zone 6b: -5°F to 0°F |
| Hathaway Pines | Zone 8b: 15°F to 20°F |
| Hawaiian Gardens | Zone 10b: 35°F to 40°F |
| Hawthorne | Zone 10b: 35°F to 40°F |
| Hayfork | Zone 8a: 10°F to 15°F |
| Hayward | Zone 10a: 30°F to 35°F |
| Healdsburg | Zone 9b: 25°F to 30°F |
| Heavenly Ski Resort | Zone 6b: -5°F to 0°F |
| Heber | Zone 10a: 30°F to 35°F |
| Helendale | Zone 8b: 15°F to 20°F |
| Helm | Zone 9a: 20°F to 25°F |
| Hemet | Zone 9a: 20°F to 25°F |
| Herald | Zone 9b: 25°F to 30°F |
| Hercules | Zone 9b: 25°F to 30°F |
| Herlong | Zone 7a: 0°F to 5°F |
| Hermosa Beach | Zone 10b: 35°F to 40°F |
| Hesperia | Zone 8b: 15°F to 20°F |
| Hickman | Zone 9b: 25°F to 30°F |
| Hidden Hills | Zone 10a: 30°F to 35°F |
| Hidden Meadows | Zone 10a: 30°F to 35°F |
| Hidden Trails | Zone 9b: 25°F to 30°F |
| Hidden Valley Lake | Zone 9a: 20°F to 25°F |
| Highgrove | Zone 9b: 25°F to 30°F |
| Highland | Zone 9b: 25°F to 30°F |
| Highlands | Zone 10a: 30°F to 35°F |
| Highlands-Baywood Park | Zone 10a: 30°F to 35°F |
| Hillsborough | Zone 10a: 30°F to 35°F |
| Hilmar | Zone 9b: 25°F to 30°F |
| Hilmar-Irwin | Zone 9b: 25°F to 30°F |
| Hinkley | Zone 8b: 15°F to 20°F |
| Hiouchi | Zone 9b: 25°F to 30°F |
| Hollister | Zone 9b: 25°F to 30°F |
| Hollywood | Zone 10b: 35°F to 40°F |
| Holt | Zone 9a: 20°F to 25°F |
| Holtville | Zone 10a: 30°F to 35°F |
| Holy City | Zone 10a: 30°F to 35°F |
| Home Garden | Zone 9a: 20°F to 25°F |
| Home Gardens | Zone 9b: 25°F to 30°F |
| Homeland | Zone 9a: 20°F to 25°F |
| Homewood | Zone 6b: -5°F to 0°F |
| Honcut | Zone 9b: 25°F to 30°F |
| Honeydew | Zone 9b: 25°F to 30°F |
| Hood | Zone 9b: 25°F to 30°F |
| Hoopa | Zone 9a: 20°F to 25°F |
| Hopland | Zone 9a: 20°F to 25°F |
| Hornbrook | Zone 8a: 10°F to 15°F |
| Hornitos | Zone 9b: 25°F to 30°F |
| Hughson | Zone 9b: 25°F to 30°F |
| Humboldt Hill | Zone 9b: 25°F to 30°F |
| Hume | Zone 7b: 5°F to 10°F |
| Huntington Beach | Zone 10b: 35°F to 40°F |
| Huntington Lake | Zone 7b: 5°F to 10°F |
| Huntington Park | Zone 10b: 35°F to 40°F |
| Huron | Zone 9a: 20°F to 25°F |
| Hyampom | Zone 8b: 15°F to 20°F |
| Hydesville | Zone 9b: 25°F to 30°F |
| Idlewild | Zone 8b: 15°F to 20°F |
| Idria | Zone 9b: 25°F to 30°F |
| Idyllwild | Zone 8a: 10°F to 15°F |
| Idyllwild-Pine Cove | Zone 8a: 10°F to 15°F |
| Igo | Zone 9b: 25°F to 30°F |
| Imperial | Zone 10a: 30°F to 35°F |
| Imperial Beach | Zone 10b: 35°F to 40°F |
| Independence | Zone 8a: 10°F to 15°F |
| Indian Falls | Zone 7b: 5°F to 10°F |
| Indian Wells | Zone 9b: 25°F to 30°F |
| Indianola | Zone 9b: 25°F to 30°F |
| Indio | Zone 9b: 25°F to 30°F |
| Indio Hills | Zone 9a: 20°F to 25°F |
| Industry | Zone 10a: 30°F to 35°F |
| Inglewood | Zone 10b: 35°F to 40°F |
| Ingot | Zone 9a: 20°F to 25°F |
| Interlaken | Zone 9b: 25°F to 30°F |
| Inverness | Zone 9b: 25°F to 30°F |
| Inyokern | Zone 8b: 15°F to 20°F |
| Ione | Zone 9b: 25°F to 30°F |
| Iron Horse | Zone 6b: -5°F to 0°F |
| Irvine | Zone 10a: 30°F to 35°F |
| Irwindale | Zone 10a: 30°F to 35°F |
| Isla Vista | Zone 10a: 30°F to 35°F |
| Island Mountain | Zone 9a: 20°F to 25°F |
| Isleton | Zone 9b: 25°F to 30°F |
| Ivanhoe | Zone 9b: 25°F to 30°F |
| Jackson | Zone 9b: 25°F to 30°F |
| Jacumba | Zone 8b: 15°F to 20°F |
| Jamestown | Zone 9a: 20°F to 25°F |
| Jamul | Zone 9b: 25°F to 30°F |
| Janesville | Zone 7a: 0°F to 5°F |
| Jenner | Zone 9b: 25°F to 30°F |
| Johannesburg | Zone 9a: 20°F to 25°F |
| Johnstonville | Zone 7a: 0°F to 5°F |
| Johnsville | Zone 7b: 5°F to 10°F |
| Jolon | Zone 8b: 15°F to 20°F |
| Joshua Tree | Zone 9a: 20°F to 25°F |
| Joshua Tree Natl Park | Zone 8b: 15°F to 20°F |
| Julian | Zone 8b: 15°F to 20°F |
| Junction City | Zone 8b: 15°F to 20°F |
| June Lake | Zone 6a: -10°F to -5°F |
| June Mountain Ski Area | Zone 6a: -10°F to -5°F |
| Kaweah | Zone 9b: 25°F to 30°F |
| Kecks Corner | Zone 9a: 20°F to 25°F |
| Keddie | Zone 8a: 10°F to 15°F |
| Keeler | Zone 8b: 15°F to 20°F |
| Keene | Zone 9a: 20°F to 25°F |
| Kelseyville | Zone 9a: 20°F to 25°F |
| Kennedy | Zone 9b: 25°F to 30°F |
| Kensington | Zone 10a: 30°F to 35°F |
| Kentfield | Zone 9b: 25°F to 30°F |
| Kenwood | Zone 9b: 25°F to 30°F |
| Kerman | Zone 9a: 20°F to 25°F |
| Kernville | Zone 9a: 20°F to 25°F |
| Keswick | Zone 9b: 25°F to 30°F |
| Kettleman City | Zone 9b: 25°F to 30°F |
| Keyes | Zone 9b: 25°F to 30°F |
| King City | Zone 9a: 20°F to 25°F |
| Kings Beach | Zone 6b: -5°F to 0°F |
| Kings Canyon Natl Park | Zone 8a: 10°F to 15°F |
| Kings Canyon Natl Park (north) | Zone 8a: 10°F to 15°F |
| Kings Canyon Natl Park (south) | Zone 6a: -10°F to -5°F |
| Kingsburg | Zone 9a: 20°F to 25°F |
| Kingvale | Zone 7a: 0°F to 5°F |
| Kirkwood | Zone 6b: -5°F to 0°F |
| Kirkwood Ski Resort | Zone 6b: -5°F to 0°F |
| Kit Carson | Zone 6b: -5°F to 0°F |
| Klamath | Zone 9b: 25°F to 30°F |
| Klamath River | Zone 8a: 10°F to 15°F |
| Kneeland | Zone 9b: 25°F to 30°F |
| Knights Landing | Zone 9b: 25°F to 30°F |
| Knightsen | Zone 9b: 25°F to 30°F |
| Knob | Zone 8a: 10°F to 15°F |
| Korbel | Zone 9b: 25°F to 30°F |
| Kyburz | Zone 8a: 10°F to 15°F |
| La Canada Flintridge | Zone 10a: 30°F to 35°F |
| La Crescenta | Zone 10a: 30°F to 35°F |
| La Crescenta-Montrose | Zone 10a: 30°F to 35°F |
| La Grange | Zone 9b: 25°F to 30°F |
| La Habra | Zone 10a: 30°F to 35°F |
| La Habra Heights | Zone 10a: 30°F to 35°F |
| La Honda | Zone 9b: 25°F to 30°F |
| La Jolla | Zone 10a: 30°F to 35°F |
| La Mesa | Zone 10a: 30°F to 35°F |
| La Mirada | Zone 10b: 35°F to 40°F |
| La Palma | Zone 10b: 35°F to 40°F |
| La Porte | Zone 8a: 10°F to 15°F |
| La Presa | Zone 10a: 30°F to 35°F |
| La Puente | Zone 10a: 30°F to 35°F |
| La Quinta | Zone 9b: 25°F to 30°F |
| La Riviera | Zone 9b: 25°F to 30°F |
| La Selva Beach | Zone 9b: 25°F to 30°F |
| La Verne | Zone 9b: 25°F to 30°F |
| La Vina | Zone 9a: 20°F to 25°F |
| Ladera | Zone 9b: 25°F to 30°F |
| Ladera Heights | Zone 10b: 35°F to 40°F |
| Ladera Ranch | Zone 10b: 35°F to 40°F |
| Lafayette | Zone 9b: 25°F to 30°F |
| Laguna | Zone 9b: 25°F to 30°F |
| Laguna Beach | Zone 10a: 30°F to 35°F |
| Laguna Hills | Zone 10a: 30°F to 35°F |
| Laguna Niguel | Zone 10a: 30°F to 35°F |
| Laguna Woods | Zone 10a: 30°F to 35°F |
| Lagunitas | Zone 10a: 30°F to 35°F |
| Lagunitas-Forest Knolls | Zone 10a: 30°F to 35°F |
| Lake Almanor | Zone 8b: 15°F to 20°F |
| Lake Almanor Country Club | Zone 7a: 0°F to 5°F |
| Lake Almanor Peninsula | Zone 7a: 0°F to 5°F |
| Lake Almanor West | Zone 7a: 0°F to 5°F |
| Lake Arrowhead | Zone 8a: 10°F to 15°F |
| Lake City | Zone 6b: -5°F to 0°F |
| Lake Davis | Zone 6b: -5°F to 0°F |
| Lake Elsinore | Zone 9b: 25°F to 30°F |
| Lake Forest | Zone 10a: 30°F to 35°F |
| Lake Hughes | Zone 9b: 25°F to 30°F |
| Lake Isabella | Zone 9a: 20°F to 25°F |
| Lake Los Angeles | Zone 8b: 15°F to 20°F |
| Lake Nacimiento | Zone 8b: 15°F to 20°F |
| Lake of the Pines | Zone 9a: 20°F to 25°F |
| Lake of the Woods | Zone 8a: 10°F to 15°F |
| Lake San Marcos | Zone 10a: 30°F to 35°F |
| Lake Tahoe | Zone 6b: -5°F to 0°F |
| Lake Wildwood | Zone 9a: 20°F to 25°F |
| Lakehead | Zone 9a: 20°F to 25°F |
| Lakeland Village | Zone 9b: 25°F to 30°F |
| Lakeport | Zone 9a: 20°F to 25°F |
| Lakeshore | Zone 7b: 5°F to 10°F |
| Lakeside | Zone 9b: 25°F to 30°F |
| Lakeview | Zone 9b: 25°F to 30°F |
| Lakewood | Zone 10b: 35°F to 40°F |
| Lamont | Zone 9b: 25°F to 30°F |
| Lanare | Zone 9a: 20°F to 25°F |
| Lancaster | Zone 8b: 15°F to 20°F |
| Landers | Zone 9a: 20°F to 25°F |
| Larkfield-Wikiup | Zone 9b: 25°F to 30°F |
| Larkspur | Zone 9b: 25°F to 30°F |
| Las Flores | Zone 10b: 35°F to 40°F |
| Las Lomas | Zone 9b: 25°F to 30°F |
| Lassen Volcanic Natl Park | Zone 6b: -5°F to 0°F |
| Lathrop | Zone 9b: 25°F to 30°F |
| Laton | Zone 9a: 20°F to 25°F |
| Lawndale | Zone 10b: 35°F to 40°F |
| Laytonville | Zone 8b: 15°F to 20°F |
| Le Grand | Zone 9a: 20°F to 25°F |
| Lebec | Zone 8a: 10°F to 15°F |
| Lee Vining | Zone 6b: -5°F to 0°F |
| Leggett | Zone 9a: 20°F to 25°F |
| Lemon Cove | Zone 9b: 25°F to 30°F |
| Lemon Grove | Zone 10a: 30°F to 35°F |
| Lemoore | Zone 9a: 20°F to 25°F |
| Lemoore Station | Zone 9a: 20°F to 25°F |
| Lennox | Zone 10b: 35°F to 40°F |
| Lenwood | Zone 8b: 15°F to 20°F |
| Leona Valley | Zone 9a: 20°F to 25°F |
| Lewiston | Zone 8b: 15°F to 20°F |
| Lexington Hills | Zone 10a: 30°F to 35°F |
| Likely | Zone 6b: -5°F to 0°F |
| Lincoln | Zone 9b: 25°F to 30°F |
| Lincoln Acres | Zone 10b: 35°F to 40°F |
| Lincoln Village | Zone 9a: 20°F to 25°F |
| Linda | Zone 9b: 25°F to 30°F |
| Lindcove | Zone 9b: 25°F to 30°F |
| Linden | Zone 9a: 20°F to 25°F |
| Lindsay | Zone 9a: 20°F to 25°F |
| Litchfield | Zone 6b: -5°F to 0°F |
| Little Grass Valley | Zone 8a: 10°F to 15°F |
| Little Lake | Zone 8b: 15°F to 20°F |
| Little River | Zone 9b: 25°F to 30°F |
| Littlerock | Zone 8b: 15°F to 20°F |
| Live Oak | Zone 9b: 25°F to 30°F |
| Livermore | Zone 9b: 25°F to 30°F |
| Livingston | Zone 9b: 25°F to 30°F |
| Llano | Zone 9a: 20°F to 25°F |
| Lockeford | Zone 9b: 25°F to 30°F |
| Lockwood | Zone 8b: 15°F to 20°F |
| Lodi | Zone 9b: 25°F to 30°F |
| Lodoga | Zone 8b: 15°F to 20°F |
| Loleta | Zone 9b: 25°F to 30°F |
| Loma Linda | Zone 9b: 25°F to 30°F |
| Loma Mar | Zone 9b: 25°F to 30°F |
| Loma Rica | Zone 9b: 25°F to 30°F |
| Lomita | Zone 10b: 35°F to 40°F |
| Lompico | Zone 10a: 30°F to 35°F |
| Lompoc | Zone 9b: 25°F to 30°F |
| Lompoc/Vandenberg AFB | Zone 9b: 25°F to 30°F |
| London | Zone 9b: 25°F to 30°F |
| Lone Pine | Zone 8b: 15°F to 20°F |
| Long Barn | Zone 8a: 10°F to 15°F |
| Long Beach | Zone 10b: 35°F to 40°F |
| Lookout | Zone 6b: -5°F to 0°F |
| Loomis | Zone 9b: 25°F to 30°F |
| Los Alamitos | Zone 10b: 35°F to 40°F |
| Los Alamos | Zone 9a: 20°F to 25°F |
| Los Altos | Zone 9b: 25°F to 30°F |
| Los Altos Hills | Zone 9b: 25°F to 30°F |
| Los Angeles | Zone 10b: 35°F to 40°F |
| Los Angeles/LA Intl Arpt | Zone 10b: 35°F to 40°F |
| Los Banos | Zone 9a: 20°F to 25°F |
| Los Berros | Zone 9b: 25°F to 30°F |
| Los Gatos | Zone 9b: 25°F to 30°F |
| Los Molinos | Zone 9a: 20°F to 25°F |
| Los Nietos | Zone 10b: 35°F to 40°F |
| Los Olivos | Zone 9a: 20°F to 25°F |
| Los Osos | Zone 10a: 30°F to 35°F |
| Los Serranos | Zone 10a: 30°F to 35°F |
| Lost Hills | Zone 9a: 20°F to 25°F |
| Lotus | Zone 9b: 25°F to 30°F |
| Lower Lake | Zone 8b: 15°F to 20°F |
| Loyalton | Zone 6b: -5°F to 0°F |
| Loyola | Zone 9b: 25°F to 30°F |
| Lucas Valley-Marinwood | Zone 10a: 30°F to 35°F |
| Lucerne | Zone 8b: 15°F to 20°F |
| Lucerne Valley | Zone 8b: 15°F to 20°F |
| Ludlow | Zone 9a: 20°F to 25°F |
| Lynwood | Zone 10b: 35°F to 40°F |
| Lyoth | Zone 9a: 20°F to 25°F |
| Lytle Creek | Zone 9a: 20°F to 25°F |
| Mabie | Zone 6b: -5°F to 0°F |
| MacDoel | Zone 6b: -5°F to 0°F |
| Mad River | Zone 8b: 15°F to 20°F |
| Madeline | Zone 6a: -10°F to -5°F |
| Madera | Zone 9a: 20°F to 25°F |
| Madera Acres | Zone 9a: 20°F to 25°F |
| Madison | Zone 9b: 25°F to 30°F |
| Magalia | Zone 9b: 25°F to 30°F |
| Malaga | Zone 9b: 25°F to 30°F |
| Malibu | Zone 10b: 35°F to 40°F |
| Malibu Beach | Zone 10b: 35°F to 40°F |
| Mammoth Lakes | Zone 6a: -10°F to -5°F |
| Mammoth Mountain Ski Area | Zone 6a: -10°F to -5°F |
| Manchester | Zone 9b: 25°F to 30°F |
| Manhattan Beach | Zone 10b: 35°F to 40°F |
| Manila | Zone 9b: 25°F to 30°F |
| Manteca | Zone 9b: 25°F to 30°F |
| Manton | Zone 9a: 20°F to 25°F |
| March AFB | Zone 9b: 25°F to 30°F |
| Maricopa | Zone 9a: 20°F to 25°F |
| Marin City | Zone 10a: 30°F to 35°F |
| Marina | Zone 9b: 25°F to 30°F |
| Marina Del Rey | Zone 10b: 35°F to 40°F |
| Mariposa | Zone 9a: 20°F to 25°F |
| Markleeville | Zone 6b: -5°F to 0°F |
| Marshall | Zone 9b: 25°F to 30°F |
| Martell | Zone 9b: 25°F to 30°F |
| Martinez | Zone 9b: 25°F to 30°F |
| Marysville | Zone 9b: 25°F to 30°F |
| Marysville/Beale AFB | Zone 9b: 25°F to 30°F |
| Mather | Zone 9b: 25°F to 30°F |
| Maxwell | Zone 9b: 25°F to 30°F |
| Mayflower Village | Zone 10a: 30°F to 35°F |
| Maywood | Zone 10b: 35°F to 40°F |
| McArthur | Zone 7a: 0°F to 5°F |
| McClellan AFB | Zone 9b: 25°F to 30°F |
| McCloud | Zone 7b: 5°F to 10°F |
| McFarland | Zone 9b: 25°F to 30°F |
| McKinleyville | Zone 9b: 25°F to 30°F |
| McKittrick | Zone 9b: 25°F to 30°F |
| Mead Valley | Zone 9b: 25°F to 30°F |
| Meadow Valley | Zone 7b: 5°F to 10°F |
| Meadow Vista | Zone 9a: 20°F to 25°F |
| Mecca | Zone 9b: 25°F to 30°F |
| Meiners Oaks | Zone 9b: 25°F to 30°F |
| Mendocino | Zone 9b: 25°F to 30°F |
| Mendota | Zone 9b: 25°F to 30°F |
| Menifee | Zone 9a: 20°F to 25°F |
| Menlo Park | Zone 9b: 25°F to 30°F |
| Mentone | Zone 9b: 25°F to 30°F |
| Merced | Zone 9a: 20°F to 25°F |
| Meridian | Zone 9b: 25°F to 30°F |
| Mesa | Zone 7b: 5°F to 10°F |
| Mesa Verde | Zone 9b: 25°F to 30°F |
| Mesa Vista | Zone 7a: 0°F to 5°F |
| Mettler | Zone 9a: 20°F to 25°F |
| Mexican Colony | Zone 9b: 25°F to 30°F |
| Mi Wuk Village | Zone 8a: 10°F to 15°F |
| Mi-Wuk Village | Zone 8a: 10°F to 15°F |
| Middletown | Zone 9a: 20°F to 25°F |
| Midpines | Zone 8b: 15°F to 20°F |
| Midway City | Zone 10b: 35°F to 40°F |
| Milford | Zone 7a: 0°F to 5°F |
| Mill Creek | Zone 7a: 0°F to 5°F |
| Mill Valley | Zone 10a: 30°F to 35°F |
| Millbrae | Zone 10a: 30°F to 35°F |
| Millville | Zone 9a: 20°F to 25°F |
| Milpitas | Zone 9b: 25°F to 30°F |
| Mineral | Zone 7a: 0°F to 5°F |
| Minkler | Zone 9b: 25°F to 30°F |
| Mira Loma | Zone 9b: 25°F to 30°F |
| Mira Monte | Zone 9b: 25°F to 30°F |
| Miramonte | Zone 9b: 25°F to 30°F |
| Miranda | Zone 9b: 25°F to 30°F |
| Mission Canyon | Zone 10a: 30°F to 35°F |
| Mission Hills | Zone 9b: 25°F to 30°F |
| Mission Viejo | Zone 10a: 30°F to 35°F |
| Moccasin | Zone 9a: 20°F to 25°F |
| Modesto | Zone 9b: 25°F to 30°F |
| Mohawk Vista | Zone 6b: -5°F to 0°F |
| Mojave | Zone 8b: 15°F to 20°F |
| Mokelumne Hill | Zone 9b: 25°F to 30°F |
| Monmouth | Zone 9b: 25°F to 30°F |
| Mono City | Zone 6b: -5°F to 0°F |
| Mono Hot Springs | Zone 7a: 0°F to 5°F |
| Mono Vista | Zone 8b: 15°F to 20°F |
| Monrovia | Zone 10a: 30°F to 35°F |
| Monson | Zone 9b: 25°F to 30°F |
| Montague | Zone 7b: 5°F to 10°F |
| Montalvin | Zone 9b: 25°F to 30°F |
| Montara | Zone 10a: 30°F to 35°F |
| Montclair | Zone 10a: 30°F to 35°F |
| Monte Rio | Zone 9b: 25°F to 30°F |
| Monte Sereno | Zone 9b: 25°F to 30°F |
| Montebello | Zone 10b: 35°F to 40°F |
| Montecito | Zone 10a: 30°F to 35°F |
| Monterey | Zone 10a: 30°F to 35°F |
| Monterey Park | Zone 10a: 30°F to 35°F |
| Montgomery Creek | Zone 9a: 20°F to 25°F |
| Montrose | Zone 10a: 30°F to 35°F |
| Moorpark | Zone 9b: 25°F to 30°F |
| Morada | Zone 9a: 20°F to 25°F |
| Moraga | Zone 9b: 25°F to 30°F |
| Moreno Valley | Zone 9b: 25°F to 30°F |
| Morgan Hill | Zone 9b: 25°F to 30°F |
| Morongo Valley | Zone 9a: 20°F to 25°F |
| Morro Bay | Zone 10a: 30°F to 35°F |
| Mortmar | Zone 9b: 25°F to 30°F |
| Moss Beach | Zone 10a: 30°F to 35°F |
| Moss Landing | Zone 9b: 25°F to 30°F |
| Mount Aukum | Zone 9a: 20°F to 25°F |
| Mount Baldy | Zone 9a: 20°F to 25°F |
| Mount Hamilton | Zone 9a: 20°F to 25°F |
| Mount Hebron | Zone 6b: -5°F to 0°F |
| Mount Hermon | Zone 9b: 25°F to 30°F |
| Mount Laguna | Zone 8a: 10°F to 15°F |
| Mount Shasta | Zone 7b: 5°F to 10°F |
| Mount Wilson | Zone 9a: 20°F to 25°F |
| Mountain Center | Zone 8b: 15°F to 20°F |
| Mountain Gate | Zone 9b: 25°F to 30°F |
| Mountain House | Zone 9b: 25°F to 30°F |
| Mountain Mesa | Zone 9a: 20°F to 25°F |
| Mountain Pass | Zone 8b: 15°F to 20°F |
| Mountain Ranch | Zone 9a: 20°F to 25°F |
| Mountain View | Zone 10a: 30°F to 35°F |
| Mountain View Acres | Zone 8b: 15°F to 20°F |
| Muir Beach | Zone 10a: 30°F to 35°F |
| Murphys | Zone 9a: 20°F to 25°F |
| Murrieta | Zone 9b: 25°F to 30°F |
| Murrieta Hot Springs | Zone 9b: 25°F to 30°F |
| Muscoy | Zone 10a: 30°F to 35°F |
| Myers Flat | Zone 9b: 25°F to 30°F |
| Myrtletown | Zone 9b: 25°F to 30°F |
| Napa | Zone 9b: 25°F to 30°F |
| National City | Zone 10b: 35°F to 40°F |
| Navarro | Zone 9b: 25°F to 30°F |
| Nebo | Zone 9a: 20°F to 25°F |
| Needles | Zone 9b: 25°F to 30°F |
| Nelson | Zone 9b: 25°F to 30°F |
| Nevada City | Zone 9a: 20°F to 25°F |
| New Almaden | Zone 10a: 30°F to 35°F |
| New Cuyama | Zone 8b: 15°F to 20°F |
| Newark | Zone 10a: 30°F to 35°F |
| Newberry Springs | Zone 9a: 20°F to 25°F |
| Newbury Park | Zone 10a: 30°F to 35°F |
| Newcastle | Zone 9b: 25°F to 30°F |
| Newell | Zone 6b: -5°F to 0°F |
| Newhall | Zone 9b: 25°F to 30°F |
| Newman | Zone 9a: 20°F to 25°F |
| Newport Beach | Zone 10b: 35°F to 40°F |
| Newport Coast | Zone 10b: 35°F to 40°F |
| Nicasio | Zone 10a: 30°F to 35°F |
| Nice | Zone 8b: 15°F to 20°F |
| Nicolaus | Zone 9b: 25°F to 30°F |
| Niland | Zone 9b: 25°F to 30°F |
| Nipinnawasee | Zone 9a: 20°F to 25°F |
| Nipomo | Zone 9b: 25°F to 30°F |
| Nipton | Zone 8b: 15°F to 20°F |
| Norco | Zone 9b: 25°F to 30°F |
| Nord | Zone 9a: 20°F to 25°F |
| Norden | Zone 7a: 0°F to 5°F |
| North Auburn | Zone 9a: 20°F to 25°F |
| North Edwards | Zone 8b: 15°F to 20°F |
| North El Monte | Zone 10a: 30°F to 35°F |
| North Fair Oaks | Zone 9b: 25°F to 30°F |
| North Fork | Zone 8b: 15°F to 20°F |
| North Glendale | Zone 10a: 30°F to 35°F |
| North Highlands | Zone 9b: 25°F to 30°F |
| North Hills | Zone 10a: 30°F to 35°F |
| North Hollywood | Zone 10a: 30°F to 35°F |
| North Lakeport | Zone 8b: 15°F to 20°F |
| North Palm Springs | Zone 9b: 25°F to 30°F |
| North Richmond | Zone 10a: 30°F to 35°F |
| North San Juan | Zone 9a: 20°F to 25°F |
| North Tustin | Zone 10a: 30°F to 35°F |
| Northridge | Zone 10a: 30°F to 35°F |
| Northstar-at-tahoe | Zone 6b: -5°F to 0°F |
| Norwalk | Zone 10b: 35°F to 40°F |
| Novato | Zone 9b: 25°F to 30°F |
| Nubieber | Zone 7a: 0°F to 5°F |
| Nuevo | Zone 9a: 20°F to 25°F |
| O'Neals | Zone 9a: 20°F to 25°F |
| Oak Glen | Zone 8a: 10°F to 15°F |
| Oak Hills | Zone 9a: 20°F to 25°F |
| Oak Park | Zone 10a: 30°F to 35°F |
| Oak Run | Zone 9a: 20°F to 25°F |
| Oak View | Zone 9b: 25°F to 30°F |
| Oakdale | Zone 9b: 25°F to 30°F |
| Oakhurst | Zone 9a: 20°F to 25°F |
| Oakland | Zone 10a: 30°F to 35°F |
| Oakley | Zone 9b: 25°F to 30°F |
| Oakville | Zone 9b: 25°F to 30°F |
| Oasis | Zone 9b: 25°F to 30°F |
| Obrien | Zone 9b: 25°F to 30°F |
| Occidental | Zone 9b: 25°F to 30°F |
| Oceano | Zone 10a: 30°F to 35°F |
| Oceanside | Zone 10a: 30°F to 35°F |
| Ocotillo | Zone 9b: 25°F to 30°F |
| Ocotillo Wells | Zone 9b: 25°F to 30°F |
| Oildale | Zone 9b: 25°F to 30°F |
| Ojai | Zone 9b: 25°F to 30°F |
| Olancha | Zone 8b: 15°F to 20°F |
| Old Station | Zone 7a: 0°F to 5°F |
| Olema | Zone 10a: 30°F to 35°F |
| Olivehurst | Zone 9b: 25°F to 30°F |
| Olympic Valley | Zone 6b: -5°F to 0°F |
| Ontario | Zone 10a: 30°F to 35°F |
| Onyx | Zone 9a: 20°F to 25°F |
| Opal Cliffs | Zone 9b: 25°F to 30°F |
| Orange | Zone 10a: 30°F to 35°F |
| Orange Cove | Zone 9b: 25°F to 30°F |
| Orangevale | Zone 9b: 25°F to 30°F |
| Orcutt | Zone 9b: 25°F to 30°F |
| Oregon House | Zone 9a: 20°F to 25°F |
| Orick | Zone 9b: 25°F to 30°F |
| Orinda | Zone 9b: 25°F to 30°F |
| Orland | Zone 9a: 20°F to 25°F |
| Orleans | Zone 9a: 20°F to 25°F |
| Oro Grande | Zone 8b: 15°F to 20°F |
| Orosi | Zone 9b: 25°F to 30°F |
| Oroville | Zone 9b: 25°F to 30°F |
| Oroville East | Zone 9b: 25°F to 30°F |
| Oxnard | Zone 10a: 30°F to 35°F |
| Oxnard Shores | Zone 10a: 30°F to 35°F |
| Pacheco | Zone 9b: 25°F to 30°F |
| Pacific Grove | Zone 10a: 30°F to 35°F |
| Pacific Palisades | Zone 10b: 35°F to 40°F |
| Pacifica | Zone 10a: 30°F to 35°F |
| Pacoima | Zone 10a: 30°F to 35°F |
| Paicines | Zone 9a: 20°F to 25°F |
| Pajaro | Zone 9b: 25°F to 30°F |
| Pala | Zone 9b: 25°F to 30°F |
| Palermo | Zone 9b: 25°F to 30°F |
| Palm Desert | Zone 9b: 25°F to 30°F |
| Palm Desert Country | Zone 9b: 25°F to 30°F |
| Palm Springs | Zone 9b: 25°F to 30°F |
| Palmdale | Zone 8b: 15°F to 20°F |
| Palmdale East | Zone 8b: 15°F to 20°F |
| Palo Alto | Zone 9b: 25°F to 30°F |
| Palo Cedro | Zone 9a: 20°F to 25°F |
| Palo Verde | Zone 10a: 30°F to 35°F |
| Palomar Mountain | Zone 8b: 15°F to 20°F |
| Palos Verdes Estates | Zone 10b: 35°F to 40°F |
| Panamint Springs | Zone 9a: 20°F to 25°F |
| Panoche | Zone 9a: 20°F to 25°F |
| Panorama City | Zone 10a: 30°F to 35°F |
| Panorama Heights | Zone 8a: 10°F to 15°F |
| Paradise | Zone 9b: 25°F to 30°F |
| Paradise Park | Zone 9b: 25°F to 30°F |
| Paramount | Zone 10b: 35°F to 40°F |
| Parker Dam | Zone 9b: 25°F to 30°F |
| Parksdale | Zone 9a: 20°F to 25°F |
| Parkway | Zone 9b: 25°F to 30°F |
| Parkwood | Zone 9a: 20°F to 25°F |
| Parlier | Zone 9b: 25°F to 30°F |
| Pasadena | Zone 10a: 30°F to 35°F |
| Pasatiempo | Zone 9b: 25°F to 30°F |
| Paskenta | Zone 9a: 20°F to 25°F |
| Paso Robles | Zone 9a: 20°F to 25°F |
| Patterson | Zone 9b: 25°F to 30°F |
| Patton | Zone 9b: 25°F to 30°F |
| Patton Village | Zone 7a: 0°F to 5°F |
| Pauma Valley | Zone 9b: 25°F to 30°F |
| Paxton | Zone 8a: 10°F to 15°F |
| Paynes Creek | Zone 9a: 20°F to 25°F |
| Peanut | Zone 8a: 10°F to 15°F |
| Pearblossom | Zone 9a: 20°F to 25°F |
| Pearsonville | Zone 8b: 15°F to 20°F |
| Pebble Beach | Zone 10a: 30°F to 35°F |
| Pedley | Zone 9b: 25°F to 30°F |
| Penn Valley | Zone 9a: 20°F to 25°F |
| Penngrove | Zone 9b: 25°F to 30°F |
| Penryn | Zone 9b: 25°F to 30°F |
| Perris | Zone 9a: 20°F to 25°F |
| Pescadero | Zone 9b: 25°F to 30°F |
| Petaluma | Zone 9b: 25°F to 30°F |
| Peters | Zone 9b: 25°F to 30°F |
| Petrolia | Zone 9b: 25°F to 30°F |
| Phelan | Zone 8b: 15°F to 20°F |
| Phillipsville | Zone 9b: 25°F to 30°F |
| Philo | Zone 9b: 25°F to 30°F |
| Pico Rivera | Zone 10b: 35°F to 40°F |
| Piedmont | Zone 10a: 30°F to 35°F |
| Piedra | Zone 9b: 25°F to 30°F |
| Piercy | Zone 9a: 20°F to 25°F |
| Pike | Zone 8b: 15°F to 20°F |
| Pilot Hill | Zone 9b: 25°F to 30°F |
| Pine Flat | Zone 8b: 15°F to 20°F |
| Pine Grove | Zone 9a: 20°F to 25°F |
| Pine Hills | Zone 9b: 25°F to 30°F |
| Pine Mountain Club | Zone 8a: 10°F to 15°F |
| Pine Valley | Zone 8b: 15°F to 20°F |
| Pinecrest | Zone 7b: 5°F to 10°F |
| Pinole | Zone 10a: 30°F to 35°F |
| Pinon Hills | Zone 9a: 20°F to 25°F |
| Pioneer | Zone 9a: 20°F to 25°F |
| Pioneertown | Zone 8b: 15°F to 20°F |
| Piru | Zone 9b: 25°F to 30°F |
| Pismo Beach | Zone 9b: 25°F to 30°F |
| Pittsburg | Zone 9b: 25°F to 30°F |
| Pixley | Zone 9a: 20°F to 25°F |
| Placentia | Zone 10a: 30°F to 35°F |
| Placerville | Zone 9a: 20°F to 25°F |
| Plainview | Zone 9a: 20°F to 25°F |
| Planada | Zone 9a: 20°F to 25°F |
| Plaster City | Zone 9b: 25°F to 30°F |
| Platina | Zone 8b: 15°F to 20°F |
| Playa Del Rey | Zone 10b: 35°F to 40°F |
| Pleasant Grove | Zone 9b: 25°F to 30°F |
| Pleasant Hill | Zone 9b: 25°F to 30°F |
| Pleasanton | Zone 9b: 25°F to 30°F |
| Plumas Lake | Zone 9b: 25°F to 30°F |
| Plymouth | Zone 9b: 25°F to 30°F |
| Point Arena | Zone 9b: 25°F to 30°F |
| Point Dume | Zone 10b: 35°F to 40°F |
| Point Mugu | Zone 10a: 30°F to 35°F |
| Point Mugu NAWC | Zone 10a: 30°F to 35°F |
| Point Reyes Station | Zone 10a: 30°F to 35°F |
| Pollock Pines | Zone 9a: 20°F to 25°F |
| Pomona | Zone 10a: 30°F to 35°F |
| Pond | Zone 9a: 20°F to 25°F |
| Ponderosa | Zone 7b: 5°F to 10°F |
| Pope Valley | Zone 9a: 20°F to 25°F |
| Poplar-Cotton Center | Zone 9b: 25°F to 30°F |
| Port Costa | Zone 9b: 25°F to 30°F |
| Port Hueneme | Zone 10a: 30°F to 35°F |
| Port Hueneme CBC Base | Zone 10a: 30°F to 35°F |
| Porter Ranch | Zone 9b: 25°F to 30°F |
| Porterville | Zone 9b: 25°F to 30°F |
| Portola | Zone 6b: -5°F to 0°F |
| Portola Hills | Zone 10a: 30°F to 35°F |
| Portola Valley | Zone 9b: 25°F to 30°F |
| Posey | Zone 8b: 15°F to 20°F |
| Poso Park | Zone 8b: 15°F to 20°F |
| Potrero | Zone 9a: 20°F to 25°F |
| Potter Valley | Zone 9a: 20°F to 25°F |
| Poway | Zone 10a: 30°F to 35°F |
| Pozo | Zone 8b: 15°F to 20°F |
| Prather | Zone 9a: 20°F to 25°F |
| Prattville | Zone 7a: 0°F to 5°F |
| Princeton | Zone 9b: 25°F to 30°F |
| Proberta | Zone 9a: 20°F to 25°F |
| Prunedale | Zone 9b: 25°F to 30°F |
| Quail Valley | Zone 9a: 20°F to 25°F |
| Quartz Hill | Zone 8b: 15°F to 20°F |
| Quincy | Zone 7b: 5°F to 10°F |
| Rackerby | Zone 9a: 20°F to 25°F |
| Rail Road Flat | Zone 9a: 20°F to 25°F |
| Rainbow | Zone 10a: 30°F to 35°F |
| Raisin City | Zone 9a: 20°F to 25°F |
| Ramona | Zone 9a: 20°F to 25°F |
| Ranchita | Zone 9a: 20°F to 25°F |
| Rancho Calaveras | Zone 9b: 25°F to 30°F |
| Rancho Cordova | Zone 9b: 25°F to 30°F |
| Rancho Cucamonga | Zone 10a: 30°F to 35°F |
| Rancho Mirage | Zone 9b: 25°F to 30°F |
| Rancho Murieta | Zone 9b: 25°F to 30°F |
| Rancho Palos Verdes | Zone 10b: 35°F to 40°F |
| Rancho Rinconada | Zone 9b: 25°F to 30°F |
| Rancho San Diego | Zone 10a: 30°F to 35°F |
| Rancho Santa Fe | Zone 10a: 30°F to 35°F |
| Rancho Santa Margarita | Zone 10a: 30°F to 35°F |
| Rancho Tehama Reserve | Zone 9a: 20°F to 25°F |
| Randsburg | Zone 9a: 20°F to 25°F |
| Ravendale | Zone 5b: -15°F to -10°F |
| Raymond | Zone 9a: 20°F to 25°F |
| Red Bluff | Zone 9a: 20°F to 25°F |
| Red Mountain | Zone 9a: 20°F to 25°F |
| Redcrest | Zone 9b: 25°F to 30°F |
| Redding | Zone 9a: 20°F to 25°F |
| Redlands | Zone 9b: 25°F to 30°F |
| Redondo Beach | Zone 10b: 35°F to 40°F |
| Redway | Zone 9b: 25°F to 30°F |
| Redwood City | Zone 9b: 25°F to 30°F |
| Redwood Estates | Zone 10b: 35°F to 40°F |
| Redwood Natl Park | Zone 9a: 20°F to 25°F |
| Redwood Shores | Zone 10a: 30°F to 35°F |
| Redwood Valley | Zone 9a: 20°F to 25°F |
| Reedley | Zone 9b: 25°F to 30°F |
| Represa | Zone 9b: 25°F to 30°F |
| Rescue | Zone 9a: 20°F to 25°F |
| Reseda | Zone 10a: 30°F to 35°F |
| Rialto | Zone 10a: 30°F to 35°F |
| Richfield | Zone 9a: 20°F to 25°F |
| Richgrove | Zone 9b: 25°F to 30°F |
| Richmond | Zone 10a: 30°F to 35°F |
| Richvale | Zone 9b: 25°F to 30°F |
| Ridgecrest | Zone 8b: 15°F to 20°F |
| Ridgemark | Zone 9a: 20°F to 25°F |
| Rimforest | Zone 8b: 15°F to 20°F |
| Rio Del Mar | Zone 9b: 25°F to 30°F |
| Rio Dell | Zone 9b: 25°F to 30°F |
| Rio Linda | Zone 9b: 25°F to 30°F |
| Rio Nido | Zone 9b: 25°F to 30°F |
| Rio Oso | Zone 9b: 25°F to 30°F |
| Rio Vista | Zone 9b: 25°F to 30°F |
| Ripley | Zone 9b: 25°F to 30°F |
| Ripon | Zone 9b: 25°F to 30°F |
| River Pines | Zone 9a: 20°F to 25°F |
| Riverbank | Zone 9b: 25°F to 30°F |
| Riverdale | Zone 9a: 20°F to 25°F |
| Riverdale Park | Zone 9b: 25°F to 30°F |
| Riverside | Zone 9b: 25°F to 30°F |
| Riverside/March AFB | Zone 9b: 25°F to 30°F |
| Robbins | Zone 9b: 25°F to 30°F |
| Rocklin | Zone 9b: 25°F to 30°F |
| Rodeo | Zone 9b: 25°F to 30°F |
| Rohnert Park | Zone 9b: 25°F to 30°F |
| Rolling Hills | Zone 11a: 40°F to 45°F |
| Rolling Hills Estates | Zone 10a: 30°F to 35°F |
| Rollingwood | Zone 10a: 30°F to 35°F |
| Romoland | Zone 9a: 20°F to 25°F |
| Rosamond | Zone 8b: 15°F to 20°F |
| Rosedale | Zone 9b: 25°F to 30°F |
| Roseland | Zone 9b: 25°F to 30°F |
| Rosemead | Zone 10a: 30°F to 35°F |
| Rosemont | Zone 9b: 25°F to 30°F |
| Roseville | Zone 9b: 25°F to 30°F |
| Ross | Zone 10a: 30°F to 35°F |
| Rossmoor | Zone 10b: 35°F to 40°F |
| Rough And Ready | Zone 9a: 20°F to 25°F |
| Round Mountain | Zone 9a: 20°F to 25°F |
| Round Valley | Zone 7b: 5°F to 10°F |
| Rowland Heights | Zone 10a: 30°F to 35°F |
| Royal George Cross Country Ski Resort | Zone 7a: 0°F to 5°F |
| Rubidoux | Zone 9b: 25°F to 30°F |
| Rumsey | Zone 9a: 20°F to 25°F |
| Running Springs | Zone 8a: 10°F to 15°F |
| Ruth | Zone 8a: 10°F to 15°F |
| Rutherford | Zone 9b: 25°F to 30°F |
| Ryde | Zone 9a: 20°F to 25°F |
| Sacramento | Zone 9b: 25°F to 30°F |
| Sacramento-Mather | Zone 9b: 25°F to 30°F |
| Sacramento/McClellan AFB | Zone 9b: 25°F to 30°F |
| Saint Helena | Zone 9b: 25°F to 30°F |
| Salida | Zone 9b: 25°F to 30°F |
| Salinas | Zone 9b: 25°F to 30°F |
| Salmon Creek | Zone 9b: 25°F to 30°F |
| Saltdale | Zone 8b: 15°F to 20°F |
| Salton City | Zone 9b: 25°F to 30°F |
| Salton Sea Beach | Zone 9b: 25°F to 30°F |
| Salyer | Zone 9a: 20°F to 25°F |
| Samoa | Zone 9b: 25°F to 30°F |
| San Andreas | Zone 9a: 20°F to 25°F |
| San Anselmo | Zone 10a: 30°F to 35°F |
| San Antonio Heights | Zone 10a: 30°F to 35°F |
| San Ardo | Zone 9a: 20°F to 25°F |
| San Bernardino | Zone 9b: 25°F to 30°F |
| San Bruno | Zone 10a: 30°F to 35°F |
| San Carlos | Zone 10a: 30°F to 35°F |
| San Clemente | Zone 10b: 35°F to 40°F |
| San Clemente Island | Zone 10b: 35°F to 40°F |
| San Diego | Zone 10b: 35°F to 40°F |
| San Diego Country Estates | Zone 9a: 20°F to 25°F |
| San Diego/Miramar MCAS | Zone 10a: 30°F to 35°F |
| San Diego/Montgomery Field | Zone 10a: 30°F to 35°F |
| San Dimas | Zone 10a: 30°F to 35°F |
| San Fernando | Zone 10a: 30°F to 35°F |
| San Francisco | Zone 10b: 35°F to 40°F |
| San Gabriel | Zone 10a: 30°F to 35°F |
| San Geronimo | Zone 9b: 25°F to 30°F |
| San Gregorio | Zone 9b: 25°F to 30°F |
| San Jacinto | Zone 9b: 25°F to 30°F |
| San Joaquin | Zone 9a: 20°F to 25°F |
| San Joaquin Hills | Zone 10b: 35°F to 40°F |
| San Jose | Zone 9b: 25°F to 30°F |
| San Jose/Reid-Hillview Arpt | Zone 9b: 25°F to 30°F |
| San Juan Bautista | Zone 9b: 25°F to 30°F |
| San Juan Capistrano | Zone 10a: 30°F to 35°F |
| San Leandro | Zone 10a: 30°F to 35°F |
| San Lorenzo | Zone 10a: 30°F to 35°F |
| San Lucas | Zone 9a: 20°F to 25°F |
| San Luis Obispo | Zone 9b: 25°F to 30°F |
| San Luis Rey | Zone 10a: 30°F to 35°F |
| San Marcos | Zone 10a: 30°F to 35°F |
| San Marino | Zone 10a: 30°F to 35°F |
| San Martin | Zone 9b: 25°F to 30°F |
| San Mateo | Zone 10a: 30°F to 35°F |
| San Miguel | Zone 9a: 20°F to 25°F |
| San Nicolas Island | Zone 10b: 35°F to 40°F |
| San Pablo | Zone 10a: 30°F to 35°F |
| San Pasqual | Zone 9b: 25°F to 30°F |
| San Pedro | Zone 10b: 35°F to 40°F |
| San Quentin | Zone 10a: 30°F to 35°F |
| San Rafael | Zone 10a: 30°F to 35°F |
| San Ramon | Zone 9b: 25°F to 30°F |
| San Simeon | Zone 9b: 25°F to 30°F |
| San Ysidro | Zone 10b: 35°F to 40°F |
| Sand City | Zone 9b: 25°F to 30°F |
| Sanger | Zone 9b: 25°F to 30°F |
| Santa Ana | Zone 10b: 35°F to 40°F |
| Santa Barbara | Zone 10a: 30°F to 35°F |
| Santa Clara | Zone 9b: 25°F to 30°F |
| Santa Clarita | Zone 9b: 25°F to 30°F |
| Santa Cruz | Zone 9b: 25°F to 30°F |
| Santa Fe Springs | Zone 10b: 35°F to 40°F |
| Santa Margarita | Zone 9a: 20°F to 25°F |
| Santa Maria | Zone 9b: 25°F to 30°F |
| Santa Monica | Zone 10b: 35°F to 40°F |
| Santa Paula | Zone 9b: 25°F to 30°F |
| Santa Rita Park | Zone 9a: 20°F to 25°F |
| Santa Rosa | Zone 9b: 25°F to 30°F |
| Santa Susana | Zone 9b: 25°F to 30°F |
| Santa Venetia | Zone 9b: 25°F to 30°F |
| Santa Ynez | Zone 9b: 25°F to 30°F |
| Santa Ysabel | Zone 9a: 20°F to 25°F |
| Santee | Zone 10a: 30°F to 35°F |
| Saranap | Zone 9b: 25°F to 30°F |
| Saratoga | Zone 9b: 25°F to 30°F |
| Saticoy | Zone 10a: 30°F to 35°F |
| Sattley | Zone 6b: -5°F to 0°F |
| Sausalito | Zone 10a: 30°F to 35°F |
| Sawyers Bar | Zone 8a: 10°F to 15°F |
| Scotia | Zone 9b: 25°F to 30°F |
| Scott Bar | Zone 8a: 10°F to 15°F |
| Scotts Valley | Zone 9b: 25°F to 30°F |
| Sea Ranch | Zone 9b: 25°F to 30°F |
| Seacliff | Zone 9b: 25°F to 30°F |
| Seal Beach | Zone 10b: 35°F to 40°F |
| Searles Valley | Zone 9a: 20°F to 25°F |
| Seaside | Zone 9b: 25°F to 30°F |
| Sebastopol | Zone 9b: 25°F to 30°F |
| Sedco Hills | Zone 9b: 25°F to 30°F |
| Seeley | Zone 10a: 30°F to 35°F |
| Seiad Valley | Zone 8b: 15°F to 20°F |
| Selma | Zone 9b: 25°F to 30°F |
| Sequoia Natl Park | Zone 6b: -5°F to 0°F |
| Seven Trees | Zone 9b: 25°F to 30°F |
| Seville | Zone 9b: 25°F to 30°F |
| Shackelford | Zone 9b: 25°F to 30°F |
| Shafter | Zone 9a: 20°F to 25°F |
| Shandon | Zone 9a: 20°F to 25°F |
| Shasta | Zone 9b: 25°F to 30°F |
| Shasta Lake | Zone 9b: 25°F to 30°F |
| Shaver Lake | Zone 8b: 15°F to 20°F |
| Sheep Ranch | Zone 9a: 20°F to 25°F |
| Shelter Cove | Zone 10a: 30°F to 35°F |
| Sheridan | Zone 9b: 25°F to 30°F |
| Sherman Oaks | Zone 10a: 30°F to 35°F |
| Shingle Springs | Zone 9a: 20°F to 25°F |
| Shingletown | Zone 8b: 15°F to 20°F |
| Shoshone | Zone 8b: 15°F to 20°F |
| Sierra Brooks | Zone 6b: -5°F to 0°F |
| Sierra City | Zone 8a: 10°F to 15°F |
| Sierra Madre | Zone 10a: 30°F to 35°F |
| Sierra Village | Zone 8a: 10°F to 15°F |
| Sierra-at-tahoe | Zone 7a: 0°F to 5°F |
| Sierraville | Zone 6b: -5°F to 0°F |
| Signal Hill | Zone 10b: 35°F to 40°F |
| Silverado | Zone 10b: 35°F to 40°F |
| Simi Valley | Zone 9b: 25°F to 30°F |
| Sisquoc | Zone 9b: 25°F to 30°F |
| Ski Homewood | Zone 6b: -5°F to 0°F |
| Sky Valley | Zone 9b: 25°F to 30°F |
| Skyforest | Zone 8a: 10°F to 15°F |
| Sleepy Hollow | Zone 10a: 30°F to 35°F |
| Sloughhouse | Zone 9b: 25°F to 30°F |
| Smartsville | Zone 9b: 25°F to 30°F |
| Smith Corner | Zone 9b: 25°F to 30°F |
| Smith River | Zone 9b: 25°F to 30°F |
| Snelling | Zone 9b: 25°F to 30°F |
| Snow Summit Mountain Resort | Zone 7a: 0°F to 5°F |
| Snow Valley Ski Area | Zone 7b: 5°F to 10°F |
| Soda Bay | Zone 8b: 15°F to 20°F |
| Soda Springs | Zone 6b: -5°F to 0°F |
| Solana Beach | Zone 10a: 30°F to 35°F |
| Soledad | Zone 9b: 25°F to 30°F |
| Solvang | Zone 9b: 25°F to 30°F |
| Somerset | Zone 9a: 20°F to 25°F |
| Somes Bar | Zone 9a: 20°F to 25°F |
| Somis | Zone 10a: 30°F to 35°F |
| Sonoma | Zone 9b: 25°F to 30°F |
| Sonora | Zone 9a: 20°F to 25°F |
| Soquel | Zone 9b: 25°F to 30°F |
| Soulsbyville | Zone 8b: 15°F to 20°F |
| South Dos Palos | Zone 9b: 25°F to 30°F |
| South El Monte | Zone 10a: 30°F to 35°F |
| South Gate | Zone 10b: 35°F to 40°F |
| South Lake | Zone 8b: 15°F to 20°F |
| South Lake Tahoe | Zone 6b: -5°F to 0°F |
| South Oroville | Zone 9b: 25°F to 30°F |
| South Pasadena | Zone 10a: 30°F to 35°F |
| South San Francisco | Zone 10b: 35°F to 40°F |
| South San Gabriel | Zone 10a: 30°F to 35°F |
| South San Jose Hills | Zone 10a: 30°F to 35°F |
| South Santa Rosa | Zone 9b: 25°F to 30°F |
| South Taft | Zone 9b: 25°F to 30°F |
| South Whittier | Zone 10b: 35°F to 40°F |
| South Yuba City | Zone 9b: 25°F to 30°F |
| Spreckels | Zone 9b: 25°F to 30°F |
| Spring Garden | Zone 7b: 5°F to 10°F |
| Spring Valley | Zone 10a: 30°F to 35°F |
| Springville | Zone 9b: 25°F to 30°F |
| Squaw Valley | Zone 9a: 20°F to 25°F |
| Squaw Valley USA | Zone 6b: -5°F to 0°F |
| Squirrel Mountain Valley | Zone 9a: 20°F to 25°F |
| Stallion Springs | Zone 9a: 20°F to 25°F |
| Standard | Zone 9a: 20°F to 25°F |
| Standish | Zone 7a: 0°F to 5°F |
| Stanford | Zone 9b: 25°F to 30°F |
| Stanton | Zone 10b: 35°F to 40°F |
| Stevenson Ranch | Zone 9b: 25°F to 30°F |
| Stevinson | Zone 9a: 20°F to 25°F |
| Stewarts Point | Zone 9b: 25°F to 30°F |
| Stinson Beach | Zone 10a: 30°F to 35°F |
| Stirling City | Zone 8b: 15°F to 20°F |
| Stockton | Zone 9a: 20°F to 25°F |
| Stonyford | Zone 8b: 15°F to 20°F |
| Storrie | Zone 8b: 15°F to 20°F |
| Stratford | Zone 9a: 20°F to 25°F |
| Strathmore | Zone 9b: 25°F to 30°F |
| Strawberry | Zone 7b: 5°F to 10°F |
| Strawberry Valley | Zone 8b: 15°F to 20°F |
| Studio City | Zone 10a: 30°F to 35°F |
| Sugar Bowl Ski Resort | Zone 7a: 0°F to 5°F |
| Sugarloaf | Zone 7a: 0°F to 5°F |
| Sugarloaf Saw Mill | Zone 8a: 10°F to 15°F |
| Sugarloaf Village | Zone 8a: 10°F to 15°F |
| Suisun | Zone 9b: 25°F to 30°F |
| Sultana | Zone 9b: 25°F to 30°F |
| Summerland | Zone 10a: 30°F to 35°F |
| Sun City | Zone 9a: 20°F to 25°F |
| Sun Valley | Zone 10a: 30°F to 35°F |
| Sunland | Zone 10a: 30°F to 35°F |
| Sunnyside | Zone 9b: 25°F to 30°F |
| Sunnyside-Tahoe City | Zone 7a: 0°F to 5°F |
| Sunnyslope | Zone 9b: 25°F to 30°F |
| Sunnyvale | Zone 9b: 25°F to 30°F |
| Sunol | Zone 10a: 30°F to 35°F |
| Sunset Beach | Zone 10b: 35°F to 40°F |
| Surfside | Zone 10b: 35°F to 40°F |
| Susanville | Zone 7a: 0°F to 5°F |
| Sutter | Zone 9b: 25°F to 30°F |
| Sutter Creek | Zone 9b: 25°F to 30°F |
| Sylmar | Zone 9b: 25°F to 30°F |
| Taft | Zone 9b: 25°F to 30°F |
| Taft Heights | Zone 9b: 25°F to 30°F |
| Taft Mosswood | Zone 9b: 25°F to 30°F |
| Tahoe City | Zone 7a: 0°F to 5°F |
| Tahoe Donner Ski Bowl | Zone 6b: -5°F to 0°F |
| Tahoe Vista | Zone 7a: 0°F to 5°F |
| Tahoma | Zone 6b: -5°F to 0°F |
| Tajiguas | Zone 9b: 25°F to 30°F |
| Talmage | Zone 9a: 20°F to 25°F |
| Tamalpais-Homestead Valley | Zone 10a: 30°F to 35°F |
| Tara Hills | Zone 10a: 30°F to 35°F |
| Tarpey Village | Zone 9b: 25°F to 30°F |
| Tarzana | Zone 9b: 25°F to 30°F |
| Taylorsville | Zone 7b: 5°F to 10°F |
| Tecate | Zone 9a: 20°F to 25°F |
| Tecopa | Zone 9a: 20°F to 25°F |
| Tehachapi | Zone 8b: 15°F to 20°F |
| Tehama | Zone 9a: 20°F to 25°F |
| Temecula | Zone 9b: 25°F to 30°F |
| Temelec | Zone 9b: 25°F to 30°F |
| Temple City | Zone 10a: 30°F to 35°F |
| Templeton | Zone 9a: 20°F to 25°F |
| Tennant | Zone 7a: 0°F to 5°F |
| Terminous | Zone 9b: 25°F to 30°F |
| Termo | Zone 5b: -15°F to -10°F |
| Terra Bella | Zone 9b: 25°F to 30°F |
| The Sea Ranch | Zone 9b: 25°F to 30°F |
| Thermal | Zone 9b: 25°F to 30°F |
| Thermalito | Zone 9b: 25°F to 30°F |
| Thornton | Zone 9b: 25°F to 30°F |
| Thousand Oaks | Zone 10a: 30°F to 35°F |
| Thousand Palms | Zone 9b: 25°F to 30°F |
| Three Rivers | Zone 9b: 25°F to 30°F |
| Three Rocks | Zone 9a: 20°F to 25°F |
| Tiburon | Zone 10a: 30°F to 35°F |
| Tierra Buena | Zone 9b: 25°F to 30°F |
| Tipton | Zone 9a: 20°F to 25°F |
| Tobin | Zone 8b: 15°F to 20°F |
| Tollhouse | Zone 8b: 15°F to 20°F |
| Toluca Lake | Zone 10a: 30°F to 35°F |
| Tomales | Zone 9b: 25°F to 30°F |
| Tonyville | Zone 9a: 20°F to 25°F |
| Topanga | Zone 10b: 35°F to 40°F |
| Topaz | Zone 6b: -5°F to 0°F |
| Toro Canyon | Zone 10a: 30°F to 35°F |
| Torrance | Zone 10b: 35°F to 40°F |
| Trabuco Canyon | Zone 9b: 25°F to 30°F |
| Trabuco Highlands | Zone 10a: 30°F to 35°F |
| Tracy | Zone 9b: 25°F to 30°F |
| Tranquillity | Zone 9a: 20°F to 25°F |
| Traver | Zone 9b: 25°F to 30°F |
| Travis AFB | Zone 9b: 25°F to 30°F |
| Tres Pinos | Zone 9a: 20°F to 25°F |
| Trinidad | Zone 9b: 25°F to 30°F |
| Trinity Center | Zone 8a: 10°F to 15°F |
| Trinity Village | Zone 9a: 20°F to 25°F |
| Trona | Zone 9b: 25°F to 30°F |
| Trowbridge | Zone 9b: 25°F to 30°F |
| Truckee | Zone 6a: -10°F to -5°F |
| Tujunga | Zone 10a: 30°F to 35°F |
| Tulare | Zone 9b: 25°F to 30°F |
| Tulelake | Zone 6b: -5°F to 0°F |
| Tuolumne | Zone 8b: 15°F to 20°F |
| Tuolumne City | Zone 8b: 15°F to 20°F |
| Tupman | Zone 9a: 20°F to 25°F |
| Turlock | Zone 9b: 25°F to 30°F |
| Tustin | Zone 10a: 30°F to 35°F |
| Tustin Foothills | Zone 10a: 30°F to 35°F |
| Tuttle | Zone 9a: 20°F to 25°F |
| Tuttletown | Zone 9a: 20°F to 25°F |
| Twain | Zone 8a: 10°F to 15°F |
| Twain Harte | Zone 8b: 15°F to 20°F |
| Twentynine Palms | Zone 9a: 20°F to 25°F |
| Twin Bridges | Zone 7a: 0°F to 5°F |
| Twin Lakes | Zone 9b: 25°F to 30°F |
| Twin Peaks | Zone 8b: 15°F to 20°F |
| Ukiah | Zone 9a: 20°F to 25°F |
| Union City | Zone 10a: 30°F to 35°F |
| Universal City | Zone 10a: 30°F to 35°F |
| Upland | Zone 9b: 25°F to 30°F |
| Upper Lake | Zone 8b: 15°F to 20°F |
| Vacaville | Zone 9b: 25°F to 30°F |
| Val Verde | Zone 9b: 25°F to 30°F |
| Valencia | Zone 9b: 25°F to 30°F |
| Valinda | Zone 10a: 30°F to 35°F |
| Valle Vista | Zone 9a: 20°F to 25°F |
| Vallecito | Zone 9a: 20°F to 25°F |
| Vallejo | Zone 9b: 25°F to 30°F |
| Valley Acres | Zone 9a: 20°F to 25°F |
| Valley Center | Zone 9b: 25°F to 30°F |
| Valley Ford | Zone 9b: 25°F to 30°F |
| Valley Home | Zone 9b: 25°F to 30°F |
| Valley Ranch | Zone 7a: 0°F to 5°F |
| Valley Springs | Zone 9b: 25°F to 30°F |
| Valley Village | Zone 10a: 30°F to 35°F |
| Valyermo | Zone 9a: 20°F to 25°F |
| Van Nuys | Zone 10a: 30°F to 35°F |
| Vandenberg Air Force Base | Zone 9b: 25°F to 30°F |
| Vandenberg Range | Zone 9b: 25°F to 30°F |
| Vandenberg Village | Zone 9b: 25°F to 30°F |
| Venice | Zone 10b: 35°F to 40°F |
| Ventucopa | Zone 8b: 15°F to 20°F |
| Ventura | Zone 10a: 30°F to 35°F |
| Verdugo City | Zone 10a: 30°F to 35°F |
| Vernalis | Zone 9b: 25°F to 30°F |
| Vernon | Zone 10b: 35°F to 40°F |
| Victor | Zone 9b: 25°F to 30°F |
| Victorville | Zone 8b: 15°F to 20°F |
| Vidal | Zone 9b: 25°F to 30°F |
| View Park-Windsor Hills | Zone 10b: 35°F to 40°F |
| Villa Grande | Zone 9b: 25°F to 30°F |
| Villa Park | Zone 10a: 30°F to 35°F |
| Vina | Zone 9a: 20°F to 25°F |
| Vincent | Zone 10a: 30°F to 35°F |
| Vine Hill | Zone 9b: 25°F to 30°F |
| Vineburg | Zone 9b: 25°F to 30°F |
| Vineyard | Zone 9b: 25°F to 30°F |
| Vinton | Zone 6b: -5°F to 0°F |
| Visalia | Zone 9b: 25°F to 30°F |
| Vista | Zone 10a: 30°F to 35°F |
| Vista Santa Rosa | Zone 9b: 25°F to 30°F |
| Volcano | Zone 9a: 20°F to 25°F |
| Volta | Zone 9a: 20°F to 25°F |
| Waldon | Zone 9b: 25°F to 30°F |
| Walker | Zone 6b: -5°F to 0°F |
| Wallace | Zone 9b: 25°F to 30°F |
| Walnut | Zone 10a: 30°F to 35°F |
| Walnut Creek | Zone 9b: 25°F to 30°F |
| Walnut Grove | Zone 9b: 25°F to 30°F |
| Walnut Park | Zone 10b: 35°F to 40°F |
| Warner Springs | Zone 8b: 15°F to 20°F |
| Wasco | Zone 9a: 20°F to 25°F |
| Washington | Zone 8b: 15°F to 20°F |
| Waterford | Zone 9b: 25°F to 30°F |
| Waterloo | Zone 9a: 20°F to 25°F |
| Watsonville | Zone 9b: 25°F to 30°F |
| Waukena | Zone 9a: 20°F to 25°F |
| Wawona | Zone 8b: 15°F to 20°F |
| Weaverville | Zone 8a: 10°F to 15°F |
| Weed | Zone 7b: 5°F to 10°F |
| Weedpatch | Zone 9b: 25°F to 30°F |
| Weimar | Zone 9a: 20°F to 25°F |
| Weitchpec | Zone 9a: 20°F to 25°F |
| Weldon | Zone 8b: 15°F to 20°F |
| Wendel | Zone 6b: -5°F to 0°F |
| Weott | Zone 9b: 25°F to 30°F |
| West Athens | Zone 10b: 35°F to 40°F |
| West Bishop | Zone 7b: 5°F to 10°F |
| West Carson | Zone 10b: 35°F to 40°F |
| West Compton | Zone 10b: 35°F to 40°F |
| West Covina | Zone 10a: 30°F to 35°F |
| West Hills | Zone 9b: 25°F to 30°F |
| West Hollywood | Zone 10b: 35°F to 40°F |
| West Menlo Park | Zone 9b: 25°F to 30°F |
| West Modesto | Zone 9b: 25°F to 30°F |
| West Park | Zone 9b: 25°F to 30°F |
| West Pittsburg | Zone 9b: 25°F to 30°F |
| West Point | Zone 9a: 20°F to 25°F |
| West Puente Valley | Zone 10a: 30°F to 35°F |
| West Rancho Dominguez | Zone 10b: 35°F to 40°F |
| West Sacramento | Zone 9b: 25°F to 30°F |
| West Whittier-Los Nietos | Zone 10b: 35°F to 40°F |
| Westhaven-Moonstone | Zone 9b: 25°F to 30°F |
| Westlake Village | Zone 10a: 30°F to 35°F |
| Westley | Zone 9b: 25°F to 30°F |
| Westminster | Zone 10b: 35°F to 40°F |
| Westmont | Zone 10b: 35°F to 40°F |
| Westmorland | Zone 9b: 25°F to 30°F |
| Westport | Zone 9b: 25°F to 30°F |
| Westwood | Zone 6b: -5°F to 0°F |
| Wheatland | Zone 9b: 25°F to 30°F |
| Whiskeytown | Zone 9a: 20°F to 25°F |
| White Mountain | Zone 5b: -15°F to -10°F |
| White Water | Zone 9b: 25°F to 30°F |
| Whitehawk | Zone 7a: 0°F to 5°F |
| Whitethorn | Zone 9b: 25°F to 30°F |
| Whitley Gardens | Zone 9a: 20°F to 25°F |
| Whitmore | Zone 9a: 20°F to 25°F |
| Whitmore Hot Springs | Zone 6b: -5°F to 0°F |
| Whittier | Zone 10b: 35°F to 40°F |
| Wildomar | Zone 9b: 25°F to 30°F |
| Wilkerson | Zone 8a: 10°F to 15°F |
| Williams | Zone 9b: 25°F to 30°F |
| Willits | Zone 8b: 15°F to 20°F |
| Willow Creek | Zone 9a: 20°F to 25°F |
| Willowbrook | Zone 10b: 35°F to 40°F |
| Willows | Zone 9b: 25°F to 30°F |
| Wilmington | Zone 10b: 35°F to 40°F |
| Wilseyville | Zone 9a: 20°F to 25°F |
| Wilsonia | Zone 7b: 5°F to 10°F |
| Wilton | Zone 9b: 25°F to 30°F |
| Winchester | Zone 9a: 20°F to 25°F |
| Windsor | Zone 9b: 25°F to 30°F |
| Winnetka | Zone 9b: 25°F to 30°F |
| Winter Gardens | Zone 10a: 30°F to 35°F |
| Winterhaven | Zone 10a: 30°F to 35°F |
| Winters | Zone 9b: 25°F to 30°F |
| Winton | Zone 9b: 25°F to 30°F |
| Wishon | Zone 9a: 20°F to 25°F |
| Witter Springs | Zone 8b: 15°F to 20°F |
| Wofford Heights | Zone 8b: 15°F to 20°F |
| Woodacre | Zone 9b: 25°F to 30°F |
| Woodbridge | Zone 9b: 25°F to 30°F |
| Woodcrest | Zone 9b: 25°F to 30°F |
| Woodlake | Zone 9b: 25°F to 30°F |
| Woodland | Zone 9b: 25°F to 30°F |
| Woodland Hills | Zone 9b: 25°F to 30°F |
| Woodside | Zone 9b: 25°F to 30°F |
| Woodville | Zone 9a: 20°F to 25°F |
| Woody | Zone 8b: 15°F to 20°F |
| Wrightwood | Zone 7b: 5°F to 10°F |
| Yankee Hill | Zone 9b: 25°F to 30°F |
| Yermo | Zone 9a: 20°F to 25°F |
| Yettem | Zone 9b: 25°F to 30°F |
| Yolo | Zone 9b: 25°F to 30°F |
| Yorba Linda | Zone 10a: 30°F to 35°F |
| Yorkville | Zone 9a: 20°F to 25°F |
| Yosemite Lakes | Zone 9a: 20°F to 25°F |
| Yosemite Natl Park | Zone 8a: 10°F to 15°F |
| Yosemite Valley | Zone 8a: 10°F to 15°F |
| Yountville | Zone 9b: 25°F to 30°F |
| Yreka | Zone 8a: 10°F to 15°F |
| Yuba City | Zone 9b: 25°F to 30°F |
| Yucaipa | Zone 9b: 25°F to 30°F |
| Yucca Valley | Zone 8b: 15°F to 20°F |
| Zamora | Zone 9b: 25°F to 30°F |
| Zayante | Zone 9b: 25°F to 30°F |
| Zenia | Zone 9a: 20°F to 25°F |