Twisp Washington Climate Data

Monthly Average Climate Data for Twisp Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.5 °F31.5 °F2.08 in.
February20.2 °F39.1 °F1.24 in.
March26.8 °F50.0 °F1.23 in.
April33.5 °F61.2 °F0.85 in.
May41.0 °F71.3 °F1.09 in.
June47.3 °F77.3 °F1.08 in.
July52.5 °F86.7 °F0.6 in.
August51.4 °F86.8 °F0.48 in.
September43.8 °F77.4 °F0.45 in.
October34.3 °F61.0 °F1.22 in.
November26.3 °F42.3 °F2.01 in.
December17.7 °F30.5 °F2.38 in.
Annual34.4 °F59.6 °F14.71 in.

Climate Data for Twisp 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer