Tonasket Washington Climate Data

Monthly Average Climate Data for Tonasket Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.8 °F34.2 °F1.18 in.
February25.7 °F41.5 °F0.89 in.
March31.2 °F53.2 °F0.99 in.
April37.0 °F63.7 °F0.95 in.
May44.5 °F73.3 °F1.49 in.
June50.9 °F79.6 °F1.45 in.
July56.4 °F88.7 °F0.63 in.
August55.4 °F88.0 °F0.54 in.
September46.8 °F77.6 °F0.53 in.
October37.5 °F61.5 °F1.03 in.
November29.9 °F45.1 °F1.34 in.
December24.5 °F34.8 °F1.67 in.
Annual38.6 °F61.8 °F12.69 in.

Climate Data for Tonasket Washington

Average First Frost DateOct. 1 - Oct. 10
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