Cascade Valley Washington Climate Data

Monthly Average Climate Data for Cascade Valley Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.3 °F37.0 °F1.29 in.
February26.7 °F44.2 °F0.85 in.
March31.6 °F54.7 °F0.76 in.
April37.0 °F63.2 °F0.59 in.
May45.0 °F72.5 °F0.65 in.
June51.3 °F79.1 °F0.73 in.
July56.7 °F88.4 °F0.25 in.
August55.5 °F87.7 °F0.17 in.
September47.2 °F78.3 °F0.23 in.
October37.6 °F63.3 °F0.76 in.
November29.6 °F47.3 °F0.85 in.
December24.1 °F36.7 °F1.17 in.
Annual38.9 °F62.7 °F8.3 in.

Climate Data for Cascade Valley Washington

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate