Runnells Iowa Climate Data

Monthly Average Climate Data for Runnells Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.5 °F31.0 °F0.99 in.
February17.1 °F35.5 °F1.28 in.
March28.2 °F48.6 °F2.06 in.
April39.7 °F62.2 °F3.79 in.
May51.8 °F71.9 °F5.1 in.
June62.1 °F81.7 °F5.23 in.
July65.7 °F85.4 °F4.28 in.
August63.2 °F83.9 °F4.19 in.
September54.5 °F77.5 °F3.52 in.
October42.1 °F64.0 °F2.6 in.
November30.0 °F49.1 °F1.75 in.
December19.3 °F36.1 °F1.29 in.
Annual40.6 °F60.6 °F36.08 in.

Climate Data for Runnells 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 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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