Hayward California Climate Data

Monthly Average Climate Data for Hayward California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January5.8 °C14.6 °C92.46 mm
February6.8 °C16.2 °C89.92 mm
March7.8 °C17.7 °C68.33 mm
April8.7 °C19 °C35.56 mm
May10.7 °C20.6 °C16.26 mm
June12.2 °C23 °C4.83 mm
July13.6 °C24.2 °C0.25 mm
August13.8 °C24.4 °C1.02 mm
September13.3 °C24.8 °C2.29 mm
October11.3 °C22.8 °C22.35 mm
November7.9 °C18.1 °C47.5 mm
December5.6 °C14.6 °C92.2 mm
Annual9.8 °C20 °C472.97 mm

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 : -1.1°C to 1.7°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2024 plantmaps.com