Palouse Washington Climate Data

Monthly Average Climate Data for Palouse Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.1 °C2.9 °C84.84 mm
February-2.6 °C5.2 °C56.39 mm
March-0.5 °C9.2 °C62.99 mm
April1.9 °C13.4 °C53.34 mm
May5.3 °C18.6 °C53.59 mm
June7.7 °C21.8 °C35.31 mm
July9.8 °C28.3 °C11.94 mm
August9.7 °C28.9 °C15.24 mm
September6.5 °C23.6 °C17.78 mm
October2.6 °C15.3 °C50.29 mm
November-0.6 °C7.2 °C70.36 mm
December-3.6 °C2.3 °C85.34 mm
Annual2.8 °C14.7 °C597.41 mm

Climate Data for Palouse Washington

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
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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