San Martin California Climate Data

Monthly Average Climate Data for San Martin California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January39.3 °F60.1 °F4.33 in.
February40.9 °F62.1 °F4.39 in.
March42.7 °F65.8 °F2.91 in.
April44.5 °F69.1 °F1.38 in.
May48.0 °F74.6 °F0.57 in.
June51.4 °F82.7 °F0.11 in.
July54.0 °F84.9 °F0.0 in.
August54.2 °F86.0 °F0.02 in.
September52.7 °F84.2 °F0.05 in.
October48.3 °F77.4 °F0.92 in.
November42.5 °F67.3 °F1.57 in.
December38.2 °F59.9 °F4.05 in.
Annual46.4 °F72.8 °F20.3 in.

Climate Data for San Martin California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateFeb. 11 - Feb. 20
Average Days With Frost10-20 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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