Cowiche Washington Climate Data

Monthly Average Climate Data for Cowiche Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.4 °F37.2 °F1.68 in.
February25.9 °F43.7 °F1.15 in.
March30.3 °F52.1 °F0.95 in.
April35.3 °F60.0 °F0.63 in.
May42.4 °F69.3 °F0.84 in.
June48.1 °F75.9 °F0.57 in.
July54.0 °F85.0 °F0.37 in.
August53.1 °F84.2 °F0.15 in.
September45.6 °F75.6 °F0.33 in.
October36.0 °F61.2 °F0.9 in.
November28.0 °F46.5 °F0.92 in.
December22.6 °F36.2 °F1.65 in.
Annual37.1 °F60.6 °F10.14 in.

Climate Data for Cowiche Washington

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 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