San Martin California Climate Data

Monthly Average Climate Data for San Martin California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4.1 °C15.6 °C109.98 mm
February4.9 °C16.7 °C111.51 mm
March5.9 °C18.8 °C73.91 mm
April6.9 °C20.6 °C35.05 mm
May8.9 °C23.7 °C14.48 mm
June10.8 °C28.2 °C2.79 mm
July12.2 °C29.4 °C0 mm
August12.3 °C30 °C0.51 mm
September11.5 °C29 °C1.27 mm
October9.1 °C25.2 °C23.37 mm
November5.8 °C19.6 °C39.88 mm
December3.4 °C15.5 °C102.87 mm
Annual8 °C22.7 °C515.62 mm

Climate Data for San Martin California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost10-20 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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