Cotati California Climate Data

Monthly Average Climate Data for Cotati California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January38.0 °F57.2 °F6.3 in.
February39.5 °F60.9 °F6.43 in.
March41.1 °F64.0 °F4.38 in.
April42.5 °F66.9 °F2.03 in.
May45.9 °F71.4 °F1.27 in.
June49.3 °F77.2 °F0.31 in.
July51.3 °F79.7 °F0.03 in.
August51.6 °F80.3 °F0.11 in.
September49.6 °F80.7 °F0.12 in.
October45.9 °F75.8 °F1.49 in.
November40.7 °F65.3 °F3.36 in.
December37.5 °F57.3 °F6.27 in.
Annual44.4 °F69.7 °F32.1 in.

Climate Data for Cotati California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 11 - Mar. 20
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 ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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