Colton Washington Climate Data

Monthly Average Climate Data for Colton Washington

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.1 °C3.2 °C74.68 mm
February-2.6 °C5.3 °C54.36 mm
March-0.3 °C9.3 °C61.21 mm
April2.2 °C13.4 °C53.85 mm
May5.8 °C18.5 °C50.8 mm
June8.4 °C21.9 °C34.04 mm
July10.7 °C28.3 °C12.45 mm
August10.7 °C28.9 °C13.72 mm
September7.4 °C23.6 °C18.03 mm
October3.2 °C15.2 °C46.74 mm
November-0.4 °C7.2 °C71.63 mm
December-3.5 °C2.4 °C78.99 mm
Annual3.2 °C14.8 °C570.5 mm

Climate Data for Colton Washington

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
Average Days With Frost100-125 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
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