Windsor California Climate Data

Monthly Average Climate Data for Windsor California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.9 °F57.7 °F7.85 in.
February39.3 °F61.2 °F7.66 in.
March41.2 °F64.5 °F5.25 in.
April42.8 °F68.7 °F2.42 in.
May46.2 °F74.3 °F1.45 in.
June49.6 °F80.6 °F0.31 in.
July51.6 °F82.7 °F0.02 in.
August51.5 °F83.2 °F0.07 in.
September49.2 °F82.7 °F0.13 in.
October45.3 °F76.8 °F1.74 in.
November40.4 °F65.5 °F3.94 in.
December37.2 °F57.7 °F7.68 in.
Annual44.4 °F71.3 °F38.52 in.

Climate Data for Windsor California

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate