Richland Iowa Climate Data

Monthly Average Climate Data for Richland Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.0 °F31.1 °F1.35 in.
February17.6 °F35.6 °F1.62 in.
March28.3 °F48.8 °F2.31 in.
April39.4 °F62.2 °F3.73 in.
May51.3 °F72.4 °F5.19 in.
June61.4 °F81.8 °F5.14 in.
July64.9 °F85.5 °F4.14 in.
August62.4 °F83.7 °F4.22 in.
September53.4 °F77.2 °F3.55 in.
October41.7 °F64.5 °F2.92 in.
November30.1 °F49.1 °F2.25 in.
December19.9 °F36.4 °F1.7 in.
Annual40.4 °F60.7 °F38.12 in.

Climate Data for Richland 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
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