Johnstonville California Climate Data

Monthly Average Climate Data for Johnstonville California

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.1 °C6.3 °C86.61 mm
February-3.8 °C8.7 °C64.01 mm
March-1.2 °C12.5 °C51.56 mm
April0.4 °C15.9 °C21.34 mm
May4 °C21.2 °C24.38 mm
June7.3 °C26.8 °C14.99 mm
July10.7 °C31.9 °C5.33 mm
August9.8 °C31.2 °C4.06 mm
September6.2 °C27.2 °C6.6 mm
October1.6 °C19.6 °C27.69 mm
November-2.7 °C11.4 °C35.31 mm
December-5.6 °C5.9 °C79.25 mm
Annual1.8 °C18.2 °C421.13 mm

Climate Data for Johnstonville 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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