Lewiston California Climate Data

Monthly Average Climate Data for Lewiston California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January32.7 °F48.7 °F5.51 in.
February32.9 °F54.1 °F4.35 in.
March34.9 °F59.9 °F4.0 in.
April37.2 °F66.4 °F2.46 in.
May43.1 °F75.6 °F1.45 in.
June47.9 °F84.5 °F0.72 in.
July53.8 °F93.8 °F0.2 in.
August52.1 °F93.4 °F0.18 in.
September46.1 °F87.5 °F0.31 in.
October39.3 °F73.4 °F1.87 in.
November36.0 °F56.3 °F3.45 in.
December32.4 °F46.7 °F6.37 in.
Annual40.7 °F70 °F30.87 in.

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 : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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