Oroville Washington Climate Data

Monthly Average Climate Data for Oroville Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.1 °F34.7 °F1.67 in.
February26.5 °F41.7 °F0.89 in.
March31.8 °F53.0 °F1.21 in.
April37.9 °F63.4 °F0.93 in.
May45.9 °F73.1 °F1.15 in.
June52.6 °F79.2 °F1.96 in.
July57.8 °F87.9 °F0.95 in.
August56.5 °F87.5 °F0.58 in.
September47.9 °F76.9 °F0.51 in.
October39.0 °F61.2 °F1.0 in.
November31.4 °F45.1 °F1.32 in.
December25.6 °F35.1 °F1.81 in.
Annual39.8 °F61.6 °F13.98 in.

Climate Data for Oroville Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
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