Montclair California Climate Data

Monthly Average Climate Data for Montclair California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January6.7 °C19.5 °C91.19 mm
February7.1 °C19.7 °C107.44 mm
March8.3 °C21.4 °C67.06 mm
April9.6 °C23.6 °C19.3 mm
May11.9 °C25.6 °C10.67 mm
June14.1 °C29 °C2.79 mm
July16.7 °C32.6 °C1.52 mm
August17.2 °C33.7 °C0.51 mm
September16.1 °C32.1 °C3.3 mm
October12.9 °C27.6 °C17.78 mm
November8.9 °C23.2 °C23.62 mm
December6.4 °C19 °C64.77 mm
Annual11.3 °C25.6 °C409.95 mm

Climate Data for Montclair California

Average First Frost DateJan. 1 - Jan. 10
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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