Okanogan Washington Climate Data

Monthly Average Climate Data for Okanogan Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.6 °F34.2 °F1.39 in.
February25.9 °F41.2 °F1.02 in.
March31.8 °F53.9 °F1.17 in.
April38.2 °F64.3 °F0.87 in.
May45.7 °F74.2 °F1.16 in.
June52.1 °F80.7 °F1.0 in.
July58.2 °F90.2 °F0.54 in.
August57.2 °F89.8 °F0.31 in.
September48.6 °F80.0 °F0.43 in.
October38.6 °F62.9 °F0.87 in.
November30.4 °F45.3 °F1.42 in.
December24.8 °F35.0 °F1.77 in.
Annual39.6 °F62.6 °F11.95 in.

Climate Data for Okanogan 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 ConditionsModerate Drought
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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