Alpine California Climate Data

Monthly Average Climate Data for Alpine California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January41.5 °F65.4 °F3.01 in.
February41.7 °F65.0 °F3.94 in.
March43.0 °F67.8 °F2.99 in.
April44.9 °F71.5 °F1.23 in.
May48.8 °F75.6 °F0.49 in.
June53.3 °F83.6 °F0.08 in.
July59.5 °F89.2 °F0.13 in.
August61.1 °F91.5 °F0.13 in.
September58.4 °F88.7 °F0.25 in.
October52.2 °F80.5 °F0.67 in.
November45.2 °F72.2 °F1.5 in.
December40.5 °F64.8 °F2.39 in.
Annual49.2 °F76.3 °F16.81 in.

Climate Data for Alpine California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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