Spokane Washington Climate Data

Monthly Average Climate Data for Spokane Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.4 °F36.6 °F2.17 in.
February26.3 °F41.7 °F1.54 in.
March30.3 °F50.5 °F2.0 in.
April35.6 °F58.9 °F1.47 in.
May43.1 °F68.5 °F1.68 in.
June49.4 °F75.1 °F1.5 in.
July54.3 °F86.0 °F0.48 in.
August53.0 °F85.9 °F0.44 in.
September45.4 °F75.8 °F0.62 in.
October36.9 °F60.4 °F1.33 in.
November30.6 °F45.0 °F2.24 in.
December25.6 °F36.1 °F2.6 in.
Annual38 °F60 °F18.07 in.

Climate Data for Spokane Washington

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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