Rancho Cucamonga California Climate Data

Monthly Average Climate Data for Rancho Cucamonga California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January6.7 °C19.3 °C90.42 mm
February7.1 °C19.4 °C113.03 mm
March8.3 °C21.2 °C68.83 mm
April9.6 °C23.4 °C22.35 mm
May11.9 °C25.7 °C10.92 mm
June14.2 °C29.3 °C2.29 mm
July16.9 °C32.9 °C1.27 mm
August17.4 °C33.9 °C0.76 mm
September16.3 °C32.2 °C4.32 mm
October13.1 °C27.5 °C18.8 mm
November9.1 °C23.1 °C24.64 mm
December6.4 °C18.7 °C63.25 mm
Annual11.4 °C25.6 °C420.88 mm

Climate Data for Rancho Cucamonga California

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 21 - Feb. 29
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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