Fairfield California Climate Data

Monthly Average Climate Data for Fairfield California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January3.7 °C13.3 °C114.3 mm
February4.8 °C15.8 °C119.63 mm
March6.4 °C18.3 °C78.23 mm
April7.8 °C21.1 °C36.83 mm
May10.3 °C24.9 °C17.53 mm
June12.4 °C28.1 °C4.06 mm
July13.7 °C30.3 °C0 mm
August13.7 °C30.2 °C0.51 mm
September12.8 °C29.4 °C1.52 mm
October10.1 °C25.3 °C27.43 mm
November5.9 °C18.3 °C59.69 mm
December3.5 °C13.4 °C129.03 mm
Annual8.8 °C22.4 °C588.76 mm

Climate Data for Fairfield California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 1 - Mar. 10
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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