Spokane Valley Washington Climate Data

Monthly Average Climate Data for Spokane Valley Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.5 °C2.6 °C56.9 mm
February-3.1 °C5.3 °C39.62 mm
March-0.8 °C10.1 °C49.28 mm
April2.1 °C14.6 °C37.59 mm
May6.1 °C20 °C44.96 mm
June9.5 °C23.6 °C38.61 mm
July12.2 °C29.5 °C14.73 mm
August11.7 °C29.6 °C13.97 mm
September7.4 °C24.1 °C14.99 mm
October2.7 °C15.6 °C39.12 mm
November-0.8 °C7.2 °C56.9 mm
December-3.6 °C2.3 °C65.02 mm
Annual3.3 °C15.4 °C471.69 mm

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 : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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