Waterville Washington Climate Data

Monthly Average Climate Data for Waterville Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.2 °C-0.6 °C40.13 mm
February-5.8 °C2.4 °C25.91 mm
March-2.4 °C7.8 °C27.94 mm
April1.3 °C13.4 °C16.76 mm
May5.6 °C18.8 °C24.38 mm
June8.9 °C22.7 °C25.65 mm
July12.7 °C28.1 °C10.92 mm
August12.3 °C28 °C9.4 mm
September8.3 °C22.9 °C7.11 mm
October1.8 °C14.1 °C20.83 mm
November-3.2 °C4.6 °C32 mm
December-7.2 °C-0.7 °C52.07 mm
Annual2.1 °C13.5 °C293.1 mm

Climate Data for Waterville Washington

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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