Roosevelt Washington Climate Data

Monthly Average Climate Data for Roosevelt Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-1 °C5.5 °C37.59 mm
February-0.7 °C8.8 °C25.91 mm
March1.9 °C13.8 °C20.83 mm
April4.8 °C17.9 °C14.22 mm
May8.8 °C23 °C19.56 mm
June12.2 °C26.7 °C11.68 mm
July15.7 °C32.2 °C2.03 mm
August15.3 °C32 °C3.81 mm
September11 °C26.9 °C7.87 mm
October5.8 °C18.7 °C19.56 mm
November1.4 °C10.4 °C29.72 mm
December-1.1 °C5.2 °C40.89 mm
Annual6.2 °C18.4 °C233.67 mm

Climate Data for Roosevelt Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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