Tomales California Climate Data

Monthly Average Climate Data for Tomales California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4.9 °C13.8 °C172.97 mm
February5.8 °C14.7 °C178.56 mm
March6.2 °C15.7 °C120.4 mm
April6.8 °C17.1 °C59.44 mm
May8.3 °C19.1 °C33.53 mm
June9.7 °C21.3 °C8.89 mm
July10.7 °C22.2 °C1.02 mm
August11 °C22.9 °C2.79 mm
September10.3 °C22.8 °C3.81 mm
October8.9 °C21.3 °C42.42 mm
November7 °C17.3 °C95.76 mm
December5.1 °C13.6 °C182.37 mm
Annual7.9 °C18.5 °C901.96 mm

Climate Data for Tomales California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9b : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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