Half Moon Bay California Climate Data

Monthly Average Climate Data for Half Moon Bay California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January43.7 °F58.6 °F5.29 in.
February44.0 °F59.8 °F5.0 in.
March45.2 °F61.4 °F3.72 in.
April46.2 °F60.7 °F1.97 in.
May49.3 °F62.3 °F1.23 in.
June51.7 °F63.4 °F0.34 in.
July53.9 °F65.2 °F0.11 in.
August54.5 °F66.1 °F0.25 in.
September53.4 °F67.1 °F0.2 in.
October49.9 °F66.7 °F1.18 in.
November46.2 °F63.2 °F2.59 in.
December43.4 °F58.7 °F5.29 in.
Annual48.5 °F62.8 °F27.17 in.

Climate Data for Half Moon Bay California

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 10a : 30°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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