Claremont California Climate Data

Monthly Average Climate Data for Claremont California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January6.7 °C19.3 °C100.33 mm
February7 °C19.5 °C108.97 mm
March8.1 °C21.2 °C75.44 mm
April9.4 °C23.3 °C19.81 mm
May11.6 °C25.3 °C14.73 mm
June13.8 °C28.8 °C3.3 mm
July16.4 °C32.3 °C2.29 mm
August16.9 °C33.4 °C0.51 mm
September15.9 °C31.8 °C3.81 mm
October12.8 °C27.2 °C20.83 mm
November8.9 °C22.9 °C26.67 mm
December6.6 °C18.7 °C66.8 mm
Annual11.2 °C25.3 °C443.49 mm

Climate Data for Claremont California

Average First Frost DateJan. 1 - Jan. 10
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With FrostFrost Rare
Plant Hardiness Zone - 2023Zone 10a : -1.1°C to 1.7°C
Plant Hardiness Zone - 2012Zone 10a : -1.1°C to 1.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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