San Francisco California Climate Data

Monthly Average Climate Data for San Francisco California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January45.6 °F57.5 °F3.89 in.
February47.3 °F60.1 °F4.56 in.
March48.4 °F62.2 °F3.25 in.
April49.6 °F63.9 °F1.2 in.
May52.1 °F65.5 °F0.7 in.
June54.0 °F68.1 °F0.2 in.
July55.5 °F68.4 °F0.03 in.
August56.6 °F69.6 °F0.05 in.
September56.5 °F72.1 °F0.08 in.
October54.7 °F71.1 °F0.79 in.
November50.1 °F63.7 °F2.64 in.
December45.9 °F57.8 °F5.95 in.
Annual51.4 °F65 °F23.34 in.

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 : 35°F to 30°F
Plant Hardiness Zone - 2012Zone 10b : 35°F to 30°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate