Crawfordsville Iowa Climate Data

Monthly Average Climate Data for Crawfordsville Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.6 °F31.2 °F1.37 in.
February18.2 °F35.8 °F1.65 in.
March28.7 °F48.7 °F2.38 in.
April39.8 °F62.3 °F3.73 in.
May51.7 °F72.8 °F5.11 in.
June61.7 °F82.0 °F5.0 in.
July65.1 °F85.2 °F4.14 in.
August62.7 °F83.6 °F4.18 in.
September53.8 °F77.5 °F3.51 in.
October42.1 °F64.7 °F2.92 in.
November30.6 °F49.2 °F2.26 in.
December20.4 °F36.4 °F1.74 in.
Annual40.8 °F60.8 °F37.99 in.

Climate Data for Crawfordsville Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation