Alpine California Climate Data

Monthly Average Climate Data for Alpine California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January5.3 °C18.6 °C76.45 mm
February5.4 °C18.3 °C100.08 mm
March6.1 °C19.9 °C75.95 mm
April7.2 °C21.9 °C31.24 mm
May9.3 °C24.2 °C12.45 mm
June11.8 °C28.7 °C2.03 mm
July15.3 °C31.8 °C3.3 mm
August16.2 °C33.1 °C3.3 mm
September14.7 °C31.5 °C6.35 mm
October11.2 °C26.9 °C17.02 mm
November7.3 °C22.3 °C38.1 mm
December4.7 °C18.2 °C60.71 mm
Annual9.5 °C24.6 °C426.98 mm

Climate Data for Alpine California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateMar. 1 - Mar. 10
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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