Asotin Washington Climate Data

Monthly Average Climate Data for Asotin Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January31.1 °F43.1 °F1.17 in.
February31.9 °F48.3 °F1.25 in.
March35.9 °F56.4 °F1.34 in.
April41.2 °F64.2 °F1.16 in.
May47.9 °F73.3 °F1.43 in.
June54.0 °F80.1 °F1.13 in.
July59.9 °F92.1 °F0.52 in.
August59.6 °F91.8 °F0.46 in.
September52.5 °F81.6 °F0.53 in.
October42.9 °F65.4 °F1.06 in.
November35.6 °F50.5 °F1.38 in.
December30.4 °F41.8 °F1.19 in.
Annual43.6 °F65.7 °F12.62 in.

Climate Data for Asotin Washington

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
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