San Francisco California Climate Data

Monthly Average Climate Data for San Francisco California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January7.6 °C14.2 °C98.81 mm
February8.5 °C15.6 °C115.82 mm
March9.1 °C16.8 °C82.55 mm
April9.8 °C17.7 °C30.48 mm
May11.2 °C18.6 °C17.78 mm
June12.2 °C20.1 °C5.08 mm
July13.1 °C20.2 °C0.76 mm
August13.7 °C20.9 °C1.27 mm
September13.6 °C22.3 °C2.03 mm
October12.6 °C21.7 °C20.07 mm
November10.1 °C17.6 °C67.06 mm
December7.7 °C14.3 °C151.13 mm
Annual10.8 °C18.3 °C592.84 mm

Climate Data for San Francisco California

Average First Frost DateNo Frost
Average Last Frost Date
Average Days With FrostFrost Free
Plant Hardiness Zone - 2023Zone 10b : 1.7°C to 4.4°C
Plant Hardiness Zone - 2012Zone 10b : 1.7°C to 4.4°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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