Folsom California Climate Data

Monthly Average Climate Data for Folsom California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4.1 °C13.1 °C118.36 mm
February5.3 °C15.8 °C113.28 mm
March7 °C18.6 °C96.01 mm
April8.3 °C21.8 °C48.77 mm
May11.2 °C26.3 °C34.29 mm
June14.3 °C30.8 °C6.1 mm
July16.3 °C34.2 °C0.25 mm
August15.9 °C34 °C0.51 mm
September14.3 °C31.2 °C3.81 mm
October10.7 °C25.4 °C32.26 mm
November6.4 °C18 °C60.2 mm
December3.8 °C13.3 °C115.06 mm
Annual9.8 °C23.5 °C628.9 mm

Climate Data for Folsom 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 : -3.9°C to -1.1°C
Plant Hardiness Zone - 2012Zone 9b : -3.9°C to -1.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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