College City California Climate Data

Monthly Average Climate Data for College City California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.8 °C13.2 °C96.01 mm
February5.2 °C16.2 °C98.3 mm
March6.6 °C19.2 °C60.2 mm
April7.9 °C22.6 °C31.24 mm
May11.5 °C27.2 °C19.05 mm
June14.4 °C31.4 °C5.33 mm
July15.6 °C34.3 °C0.25 mm
August14.8 °C33.8 °C2.03 mm
September13.2 °C31.9 °C3.81 mm
October9.8 °C26.4 °C21.34 mm
November5.8 °C18.3 °C48.01 mm
December3.5 °C13.2 °C88.9 mm
Annual9.3 °C24 °C474.47 mm

Climate Data for College City 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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