Tomales California Climate Data

Monthly Average Climate Data for Tomales California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January40.8 °F56.9 °F6.81 in.
February42.5 °F58.5 °F7.03 in.
March43.2 °F60.2 °F4.74 in.
April44.2 °F62.8 °F2.34 in.
May46.9 °F66.4 °F1.32 in.
June49.4 °F70.3 °F0.35 in.
July51.2 °F72.0 °F0.04 in.
August51.8 °F73.3 °F0.11 in.
September50.5 °F73.0 °F0.15 in.
October48.0 °F70.3 °F1.67 in.
November44.6 °F63.1 °F3.77 in.
December41.2 °F56.4 °F7.18 in.
Annual46.2 °F65.3 °F35.51 in.

Climate Data for Tomales California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°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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