Nicasio California Climate Data

Monthly Average Climate Data for Nicasio California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January40.6 °F56.8 °F7.92 in.
February42.4 °F59.9 °F8.13 in.
March43.4 °F62.5 °F5.01 in.
April44.8 °F67.7 °F2.63 in.
May47.5 °F72.3 °F1.32 in.
June49.9 °F77.6 °F0.37 in.
July52.1 °F80.2 °F0.03 in.
August52.6 °F80.7 °F0.09 in.
September51.6 °F80.1 °F0.18 in.
October48.4 °F74.9 °F1.87 in.
November44.0 °F64.3 °F3.8 in.
December40.7 °F56.8 °F8.3 in.
Annual46.5 °F69.5 °F39.65 in.

Climate Data for Nicasio California

Average First Frost DateJan. 1 - Jan. 10
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost5-10 Days
Plant Hardiness Zone - 2023Zone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 10a : 30°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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