Wishram Washington Climate Data

Monthly Average Climate Data for Wishram Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January31.7 °F42.6 °F2.16 in.
February32.6 °F48.4 °F1.32 in.
March36.4 °F56.5 °F1.16 in.
April41.3 °F63.8 °F0.73 in.
May47.9 °F72.6 °F0.71 in.
June53.4 °F78.5 °F0.42 in.
July59.3 °F87.6 °F0.17 in.
August59.0 °F88.1 °F0.19 in.
September51.5 °F80.3 °F0.32 in.
October42.8 °F66.3 °F0.85 in.
November35.8 °F51.3 °F1.77 in.
December31.7 °F42.4 °F2.45 in.
Annual43.6 °F64.9 °F12.25 in.

Climate Data for Wishram Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 8a : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer
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