Cascade Valley Washington Climate Data

Monthly Average Climate Data for Cascade Valley Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.3 °C2.8 °C32.77 mm
February-2.9 °C6.8 °C21.59 mm
March-0.2 °C12.6 °C19.3 mm
April2.8 °C17.3 °C14.99 mm
May7.2 °C22.5 °C16.51 mm
June10.7 °C26.2 °C18.54 mm
July13.7 °C31.3 °C6.35 mm
August13.1 °C30.9 °C4.32 mm
September8.4 °C25.7 °C5.84 mm
October3.1 °C17.4 °C19.3 mm
November-1.3 °C8.5 °C21.59 mm
December-4.4 °C2.6 °C29.72 mm
Annual3.8 °C17.1 °C210.82 mm

Climate Data for Cascade Valley Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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