Des Moines Washington Climate Data

Monthly Average Climate Data for Des Moines Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.6 °C8.7 °C154.18 mm
February2.6 °C10.1 °C104.39 mm
March4 °C12.3 °C119.38 mm
April5.9 °C15.1 °C86.11 mm
May8.9 °C18.9 °C49.78 mm
June11.4 °C21.3 °C43.43 mm
July13.4 °C24.8 °C19.05 mm
August13.5 °C25.1 °C24.89 mm
September11.3 °C21.9 °C41.15 mm
October7.8 °C16 °C106.43 mm
November4.5 °C11.2 °C157.73 mm
December2.3 °C8.2 °C154.18 mm
Annual7.4 °C16.1 °C1060.7 mm

Climate Data for Des Moines Washington

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost20-30 Days
Plant Hardiness Zone - 2023Zone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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