The Dalles Oregon Climate Data

Monthly Average Climate Data for The Dalles Oregon

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-0.7 °C5.8 °C72.39 mm
February-0.2 °C9.2 °C33.27 mm
March1.9 °C13.5 °C37.85 mm
April4.7 °C17.6 °C17.27 mm
May8.3 °C22.5 °C20.07 mm
June11.4 °C25.8 °C11.43 mm
July14.3 °C30.7 °C4.06 mm
August14.1 °C30.9 °C5.84 mm
September10 °C26.7 °C7.87 mm
October5.3 °C19 °C28.45 mm
November1.7 °C10.6 °C53.59 mm
December-0.6 °C5.7 °C76.45 mm
Annual5.9 °C18.2 °C368.54 mm

Climate Data for The Dalles Oregon

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 8a : -12.2°C to -9.4°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
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