Lewiston California Climate Data

Monthly Average Climate Data for Lewiston California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January0.4 °C9.3 °C139.95 mm
February0.5 °C12.3 °C110.49 mm
March1.6 °C15.5 °C101.6 mm
April2.9 °C19.1 °C62.48 mm
May6.2 °C24.2 °C36.83 mm
June8.8 °C29.2 °C18.29 mm
July12.1 °C34.3 °C5.08 mm
August11.2 °C34.1 °C4.57 mm
September7.8 °C30.8 °C7.87 mm
October4.1 °C23 °C47.5 mm
November2.2 °C13.5 °C87.63 mm
December0.2 °C8.2 °C161.8 mm
Annual4.8 °C21.1 °C784.09 mm

Climate Data for Lewiston California

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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