Jamestown California Climate Data

Monthly Average Climate Data for Jamestown California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.7 °C13.5 °C151.38 mm
February3.4 °C15.2 °C130.05 mm
March4.9 °C17.8 °C115.57 mm
April6.4 °C20.2 °C64.77 mm
May9.4 °C25.5 °C36.58 mm
June12.9 °C30.8 °C8.64 mm
July16.3 °C34.8 °C0.76 mm
August15.8 °C34.3 °C1.78 mm
September13.6 °C31.6 °C4.57 mm
October9.3 °C25.6 °C37.08 mm
November5.1 °C18.3 °C72.9 mm
December2.4 °C13.4 °C132.84 mm
Annual8.5 °C23.4 °C756.92 mm

Climate Data for Jamestown California

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 : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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