Colton Washington Climate Data

Monthly Average Climate Data for Colton Washington

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.5 °F37.7 °F2.94 in.
February27.4 °F41.6 °F2.14 in.
March31.4 °F48.8 °F2.41 in.
April36.0 °F56.2 °F2.12 in.
May42.4 °F65.3 °F2.0 in.
June47.1 °F71.4 °F1.34 in.
July51.2 °F82.9 °F0.49 in.
August51.2 °F84.1 °F0.54 in.
September45.4 °F74.5 °F0.71 in.
October37.7 °F59.4 °F1.84 in.
November31.2 °F44.9 °F2.82 in.
December25.7 °F36.4 °F3.11 in.
Annual37.8 °F58.6 °F22.46 in.

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 : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDsb - Humid Continental Climate - Dry Cool Summer