Hartley California Climate Data

Monthly Average Climate Data for Hartley California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.7 °C13.6 °C134.62 mm
February5 °C16.2 °C135.38 mm
March6.6 °C18.9 °C86.87 mm
April8.2 °C21.8 °C36.07 mm
May11 °C26 °C19.81 mm
June13.6 °C30.4 °C4.06 mm
July14.8 °C33.3 °C0 mm
August14.3 °C32.7 °C0.51 mm
September13.4 °C31.2 °C1.78 mm
October10.3 °C26 °C24.89 mm
November6.2 °C18.7 °C57.15 mm
December3.6 °C13.7 °C132.84 mm
Annual9.2 °C23.5 °C633.98 mm

Climate Data for Hartley California

Average First Frost DateDec. 1 - Dec. 10
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 ClassificationCsa - Hot-Summer Mediterranean Climate
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