Humeston Iowa Climate Data

Monthly Average Climate Data for Humeston Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.0 °F31.4 °F1.04 in.
February16.9 °F36.1 °F1.37 in.
March27.7 °F49.0 °F2.18 in.
April38.5 °F61.0 °F4.0 in.
May50.3 °F70.9 °F5.4 in.
June60.3 °F80.4 °F5.3 in.
July64.7 °F84.9 °F4.45 in.
August62.0 °F83.1 °F4.43 in.
September52.9 °F76.2 °F3.79 in.
October40.8 °F63.7 °F2.97 in.
November28.7 °F48.9 °F2.02 in.
December18.6 °F36.6 °F1.44 in.
Annual39.5 °F60.2 °F38.39 in.

Climate Data for Humeston 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