White Swan Washington Climate Data

Monthly Average Climate Data for White Swan Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.1 °C4 °C41.66 mm
February-2.8 °C8.3 °C20.32 mm
March-0.2 °C13.3 °C17.27 mm
April2.6 °C17.9 °C13.72 mm
May6.8 °C23.3 °C12.95 mm
June9.8 °C26.7 °C9.4 mm
July12.7 °C31.8 °C4.83 mm
August12 °C31.4 °C4.32 mm
September7.9 °C26.4 °C4.83 mm
October2.7 °C18.4 °C13.97 mm
November-1.7 °C9.6 °C26.42 mm
December-4.4 °C3.6 °C42.67 mm
Annual3.4 °C17.9 °C212.36 mm

Climate Data for White Swan Washington

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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