Colfax Washington Climate Data

Monthly Average Climate Data for Colfax Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.8 °C3.7 °C65.79 mm
February-2.2 °C6.2 °C50.04 mm
March-0.1 °C10.4 °C55.88 mm
April2.3 °C14.8 °C44.7 mm
May5.7 °C19.9 °C42.42 mm
June8.4 °C23.2 °C31.24 mm
July10.7 °C29.5 °C11.68 mm
August10.5 °C29.9 °C10.67 mm
September7 °C24.7 °C12.7 mm
October2.8 °C16.3 °C37.59 mm
November-0.3 °C8 °C64.01 mm
December-3.3 °C3.1 °C74.17 mm
Annual3.2 °C15.8 °C500.89 mm

Climate Data for Colfax Washington

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer