Sebastopol California Climate Data

Monthly Average Climate Data for Sebastopol California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January37.8 °F57.5 °F6.92 in.
February39.1 °F61.1 °F7.33 in.
March40.9 °F64.1 °F4.99 in.
April42.5 °F68.2 °F2.35 in.
May45.9 °F73.3 °F1.39 in.
June49.3 °F79.3 °F0.33 in.
July51.2 °F81.3 °F0.03 in.
August51.3 °F82.0 °F0.13 in.
September49.0 °F82.1 °F0.16 in.
October45.2 °F76.7 °F1.8 in.
November40.3 °F65.4 °F3.87 in.
December37.0 °F57.5 °F8.21 in.
Annual44.1 °F70.7 °F37.51 in.

Climate Data for Sebastopol California

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 9a : 20°F to 25°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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