San Dimas California Climate Data

Monthly Average Climate Data for San Dimas California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January7.2 °C19.7 °C98.04 mm
February7.4 °C19.9 °C120.65 mm
March8.6 °C21.6 °C72.14 mm
April9.8 °C23.6 °C21.34 mm
May12.1 °C25.6 °C9.65 mm
June14.1 °C28.6 °C3.3 mm
July16.6 °C32.2 °C2.29 mm
August17.1 °C33.4 °C0.25 mm
September16.1 °C31.9 °C3.56 mm
October13.2 °C27.6 °C17.78 mm
November9.4 °C23.3 °C24.89 mm
December6.9 °C19.2 °C72.14 mm
Annual11.5 °C25.6 °C446.03 mm

Climate Data for San Dimas California

Average First Frost DateJan. 11 - Jan. 20
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost5-10 Days
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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