Clarkston Washington Climate Data

Monthly Average Climate Data for Clarkston Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-0.4 °C6.2 °C26.92 mm
February0.1 °C8.9 °C32.51 mm
March2.2 °C13.5 °C34.54 mm
April5.1 °C17.8 °C29.72 mm
May8.7 °C22.9 °C32.26 mm
June11.9 °C26.7 °C23.11 mm
July15.1 °C33.3 °C13.46 mm
August15.1 °C33.2 °C11.94 mm
September11.2 °C27.5 °C12.7 mm
October6.1 °C18.5 °C26.92 mm
November2 °C10.2 °C28.19 mm
December-0.8 °C5.4 °C22.35 mm
Annual6.4 °C18.7 °C294.62 mm

Climate Data for Clarkston Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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