Spokane Valley Washington Climate Data

Monthly Average Climate Data for Spokane Valley Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.7 °F36.7 °F2.24 in.
February26.4 °F41.6 °F1.56 in.
March30.6 °F50.1 °F1.94 in.
April35.7 °F58.2 °F1.48 in.
May42.9 °F68.0 °F1.77 in.
June49.1 °F74.5 °F1.52 in.
July53.9 °F85.1 °F0.58 in.
August53.0 °F85.2 °F0.55 in.
September45.3 °F75.3 °F0.59 in.
October36.8 °F60.0 °F1.54 in.
November30.6 °F44.9 °F2.24 in.
December25.6 °F36.2 °F2.56 in.
Annual38 °F59.7 °F18.57 in.

Climate Data for Spokane 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 : 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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