Little Sioux Iowa Climate Data

Monthly Average Climate Data for Little Sioux Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.2 °F30.8 °F0.74 in.
February15.0 °F35.6 °F0.96 in.
March26.1 °F48.9 °F1.95 in.
April37.0 °F62.3 °F3.62 in.
May49.5 °F72.9 °F4.63 in.
June60.4 °F83.0 °F5.11 in.
July64.0 °F86.3 °F3.84 in.
August61.1 °F83.9 °F4.27 in.
September51.9 °F77.9 °F3.77 in.
October38.9 °F64.7 °F2.48 in.
November26.3 °F49.2 °F1.55 in.
December16.1 °F35.2 °F1.3 in.
Annual38.1 °F60.9 °F34.22 in.

Climate Data for Little Sioux Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com