Indianola Iowa Climate Data

Monthly Average Climate Data for Indianola Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.9 °F30.9 °F0.97 in.
February16.8 °F35.5 °F1.37 in.
March27.7 °F48.4 °F2.08 in.
April39.0 °F61.5 °F3.77 in.
May50.9 °F71.6 °F5.38 in.
June61.1 °F81.1 °F5.27 in.
July65.0 °F85.0 °F4.32 in.
August62.5 °F83.4 °F4.09 in.
September53.5 °F76.9 °F3.71 in.
October41.3 °F64.0 °F2.68 in.
November29.3 °F48.9 °F1.88 in.
December18.7 °F35.9 °F1.41 in.
Annual39.9 °F60.3 °F36.93 in.

Climate Data for Indianola Iowa

Average First Frost DateOct. 1 - Oct. 10
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 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation