Alta Sierra California Climate Data

Monthly Average Climate Data for Alta Sierra California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January29.8 °F48.9 °F6.54 in.
February29.4 °F48.3 °F6.71 in.
March31.0 °F51.7 °F5.3 in.
April34.2 °F57.1 °F2.84 in.
May41.1 °F65.6 °F1.44 in.
June48.7 °F75.5 °F0.51 in.
July56.0 °F82.9 °F0.27 in.
August55.3 °F82.4 °F0.19 in.
September50.5 °F77.2 °F0.24 in.
October42.2 °F66.6 °F1.44 in.
November35.0 °F54.8 °F2.66 in.
December29.3 °F47.4 °F5.85 in.
Annual40.2 °F63.2 °F33.99 in.
MonthAvg. LowAvg. HighAvg. Precip
January36.0 °F54.0 °F7.96 in.
February36.6 °F56.3 °F7.19 in.
March38.7 °F60.2 °F7.22 in.
April41.5 °F65.1 °F3.96 in.
May47.8 °F73.5 °F2.22 in.
June54.3 °F82.8 °F0.61 in.
July60.5 °F90.7 °F0.01 in.
August60.1 °F90.5 °F0.06 in.
September54.9 °F85.7 °F0.38 in.
October47.6 °F74.8 °F2.27 in.
November40.0 °F60.7 °F4.98 in.
December35.4 °F52.6 °F9.04 in.
Annual46.1 °F70.6 °F45.9 in.

Climate Data for Alta Sierra California

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 21 - Jun. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 8a : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSh - Hot Semi-Arid Climate
Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
2024 plantmaps.com