Twisp Washington Climate Data

Monthly Average Climate Data for Twisp Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.1 °C-0.3 °C52.83 mm
February-6.6 °C3.9 °C31.5 mm
March-2.9 °C10 °C31.24 mm
April0.8 °C16.2 °C21.59 mm
May5 °C21.8 °C27.69 mm
June8.5 °C25.2 °C27.43 mm
July11.4 °C30.4 °C15.24 mm
August10.8 °C30.4 °C12.19 mm
September6.6 °C25.2 °C11.43 mm
October1.3 °C16.1 °C30.99 mm
November-3.2 °C5.7 °C51.05 mm
December-7.9 °C-0.8 °C60.45 mm
Annual1.3 °C15.3 °C373.63 mm

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 : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer