Ritzville Washington Climate Data

Monthly Average Climate Data for Ritzville Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.0 °F35.8 °F1.62 in.
February26.2 °F42.0 °F1.13 in.
March30.2 °F51.4 °F1.35 in.
April34.0 °F59.8 °F0.94 in.
May41.0 °F69.2 °F1.1 in.
June46.4 °F76.3 °F0.87 in.
July52.4 °F86.9 °F0.29 in.
August52.3 °F86.2 °F0.28 in.
September45.0 °F76.6 °F0.43 in.
October35.8 °F61.5 °F1.01 in.
November28.7 °F45.3 °F1.38 in.
December23.3 °F35.2 °F1.62 in.
Annual36.6 °F60.5 °F12.02 in.

Climate Data for Ritzville Washington

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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