Clarkston Washington Climate Data

Monthly Average Climate Data for Clarkston Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January31.2 °F43.1 °F1.06 in.
February32.1 °F48.1 °F1.28 in.
March35.9 °F56.3 °F1.36 in.
April41.1 °F64.1 °F1.17 in.
May47.7 °F73.2 °F1.27 in.
June53.4 °F80.0 °F0.91 in.
July59.2 °F92.0 °F0.53 in.
August59.1 °F91.7 °F0.47 in.
September52.1 °F81.5 °F0.5 in.
October43.0 °F65.3 °F1.06 in.
November35.6 °F50.4 °F1.11 in.
December30.5 °F41.8 °F0.88 in.
Annual43.4 °F65.6 °F11.6 in.

Climate Data for Clarkston Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate