Dallesport Washington Climate Data

Monthly Average Climate Data for Dallesport Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January31.1 °F42.8 °F2.66 in.
February31.9 °F48.9 °F1.25 in.
March35.9 °F56.9 °F1.33 in.
April41.2 °F63.8 °F0.7 in.
May48.2 °F72.5 °F0.74 in.
June54.1 °F78.4 °F0.49 in.
July59.5 °F87.2 °F0.17 in.
August59.2 °F87.6 °F0.17 in.
September51.2 °F80.2 °F0.32 in.
October42.3 °F66.5 °F1.0 in.
November35.3 °F51.4 °F1.95 in.
December31.2 °F42.6 °F2.86 in.
Annual43.4 °F64.9 °F13.64 in.

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 : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
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