Janesville California Climate Data

Monthly Average Climate Data for Janesville California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.2 °C6.5 °C83.82 mm
February-4.1 °C8.8 °C66.8 mm
March-1.7 °C12.4 °C53.09 mm
April0.2 °C15.8 °C23.11 mm
May3.7 °C20.9 °C25.65 mm
June7.1 °C26.6 °C16.51 mm
July10.4 °C31.7 °C6.6 mm
August9.3 °C31.1 °C4.57 mm
September5.7 °C27.1 °C6.6 mm
October1.2 °C19.5 °C26.92 mm
November-2.8 °C11.3 °C36.07 mm
December-5.6 °C5.9 °C81.79 mm
Annual1.5 °C18.1 °C431.53 mm

Climate Data for Janesville California

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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