Colfax Iowa Climate Data

Monthly Average Climate Data for Colfax Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.5 °F29.9 °F0.97 in.
February16.3 °F34.5 °F1.22 in.
March27.3 °F47.6 °F2.05 in.
April38.7 °F61.4 °F3.8 in.
May50.9 °F71.4 °F5.01 in.
June61.3 °F81.2 °F5.29 in.
July64.8 °F84.8 °F4.3 in.
August62.3 °F83.1 °F4.3 in.
September53.6 °F76.8 °F3.52 in.
October41.3 °F63.6 °F2.63 in.
November29.1 °F48.3 °F1.9 in.
December18.4 °F35.2 °F1.37 in.
Annual39.7 °F59.8 °F36.36 in.

Climate Data for Colfax Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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