Squaw Valley, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 48.9 °F (low) to 75.2 °F (high). Annual precipitation averages 24.2 Inches. Squaw Valley is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 1 - Feb. 10 through the first frost around Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.7 °F | 56.3 °F | 4.84 in. |
| February | 38.6 °F | 59.3 °F | 4.27 in. |
| March | 41.6 °F | 64.3 °F | 4.02 in. |
| April | 44.2 °F | 69.4 °F | 2.12 in. |
| May | 50.6 °F | 79.2 °F | 1.03 in. |
| June | 58.0 °F | 89.4 °F | 0.38 in. |
| July | 65.1 °F | 97.0 °F | 0.13 in. |
| August | 64.5 °F | 96.4 °F | 0.06 in. |
| September | 59.4 °F | 90.7 °F | 0.2 in. |
| October | 50.4 °F | 79.0 °F | 1.19 in. |
| November | 41.6 °F | 65.1 °F | 1.99 in. |
| December | 36.0 °F | 55.9 °F | 3.98 in. |
| Annual | 48.9 °F | 75.2 °F | 24.21 in. |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Feb. 1 - Feb. 10 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |