Arnold California Climate Data

Monthly Average Climate Data for Arnold California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January0.9 °C10.6 °C232.92 mm
February0.8 °C11.1 °C215.9 mm
March1.8 °C13.3 °C188.47 mm
April3.4 °C15.6 °C108.2 mm
May6.9 °C20.5 °C66.04 mm
June11.1 °C26.1 °C16.51 mm
July14.9 °C30.5 °C2.29 mm
August14.7 °C30.6 °C6.6 mm
September12.2 °C27.4 °C11.68 mm
October7.7 °C21.2 °C68.07 mm
November3.3 °C14.4 °C115.57 mm
December0.6 °C9.8 °C221.23 mm
Annual6.5 °C19.3 °C1253.48 mm

Climate Data for Arnold California

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 21 - May 31
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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