Hayward California Climate Data

Monthly Average Climate Data for Hayward California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January42.4 °F58.2 °F3.64 in.
February44.2 °F61.1 °F3.54 in.
March46.0 °F63.8 °F2.69 in.
April47.7 °F66.2 °F1.4 in.
May51.3 °F69.0 °F0.64 in.
June54.0 °F73.4 °F0.19 in.
July56.4 °F75.6 °F0.01 in.
August56.9 °F76.0 °F0.04 in.
September56.0 °F76.7 °F0.09 in.
October52.4 °F73.0 °F0.88 in.
November46.2 °F64.5 °F1.87 in.
December42.0 °F58.2 °F3.63 in.
Annual49.6 °F68 °F18.62 in.

Climate Data for Hayward California

Average First Frost DateJan. 1 - Jan. 10
Average Last Frost DateJan. 21 - Jan. 31
Average Days With FrostFrost Rare
Plant Hardiness Zone - 2023Zone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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