Rosalia Washington Climate Data

Monthly Average Climate Data for Rosalia Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.9 °C2.7 °C56.39 mm
February-3.3 °C5.2 °C40.64 mm
March-1.1 °C9.6 °C47.5 mm
April1.4 °C14.1 °C40.64 mm
May5.1 °C19.2 °C42.16 mm
June8.1 °C22.6 °C34.8 mm
July10.3 °C29.1 °C13.72 mm
August10.1 °C29.3 °C11.43 mm
September6.2 °C24 °C15.49 mm
October1.8 °C15.6 °C39.88 mm
November-1.4 °C7.1 °C59.44 mm
December-4.3 °C2.1 °C61.47 mm
Annual2.4 °C15.1 °C463.56 mm

Climate Data for Rosalia Washington

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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