Wishram Washington Climate Data

Monthly Average Climate Data for Wishram Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-0.2 °C5.9 °C54.86 mm
February0.3 °C9.1 °C33.53 mm
March2.4 °C13.6 °C29.46 mm
April5.2 °C17.7 °C18.54 mm
May8.8 °C22.6 °C18.03 mm
June11.9 °C25.8 °C10.67 mm
July15.2 °C30.9 °C4.32 mm
August15 °C31.2 °C4.83 mm
September10.8 °C26.8 °C8.13 mm
October6 °C19.1 °C21.59 mm
November2.1 °C10.7 °C44.96 mm
December-0.2 °C5.8 °C62.23 mm
Annual6.4 °C18.3 °C311.15 mm

Climate Data for Wishram Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 8a : -12.2°C to -9.4°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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