Dallesport Washington Climate Data

Monthly Average Climate Data for Dallesport Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-0.5 °C6 °C67.56 mm
February-0.1 °C9.4 °C31.75 mm
March2.2 °C13.8 °C33.78 mm
April5.1 °C17.7 °C17.78 mm
May9 °C22.5 °C18.8 mm
June12.3 °C25.8 °C12.45 mm
July15.3 °C30.7 °C4.32 mm
August15.1 °C30.9 °C4.32 mm
September10.7 °C26.8 °C8.13 mm
October5.7 °C19.2 °C25.4 mm
November1.8 °C10.8 °C49.53 mm
December-0.4 °C5.9 °C72.64 mm
Annual6.4 °C18.3 °C346.46 mm

Climate Data for Dallesport Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 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 ClassificationCsa - Hot-Summer Mediterranean Climate
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