Windsor California Climate Data

Monthly Average Climate Data for Windsor California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.3 °C14.3 °C199.39 mm
February4.1 °C16.2 °C194.56 mm
March5.1 °C18.1 °C133.35 mm
April6 °C20.4 °C61.47 mm
May7.9 °C23.5 °C36.83 mm
June9.8 °C27 °C7.87 mm
July10.9 °C28.2 °C0.51 mm
August10.8 °C28.4 °C1.78 mm
September9.6 °C28.2 °C3.3 mm
October7.4 °C24.9 °C44.2 mm
November4.7 °C18.6 °C100.08 mm
December2.9 °C14.3 °C195.07 mm
Annual6.9 °C21.8 °C978.41 mm

Climate Data for Windsor California

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°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