Sioux Center Iowa Climate Data

Monthly Average Climate Data for Sioux Center Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.6 °F26.1 °F0.68 in.
February12.1 °F31.2 °F0.82 in.
March23.4 °F43.9 °F1.68 in.
April34.7 °F58.9 °F3.01 in.
May47.7 °F71.2 °F4.08 in.
June58.5 °F81.0 °F4.47 in.
July61.9 °F83.8 °F3.4 in.
August59.4 °F81.6 °F3.39 in.
September50.6 °F75.5 °F3.13 in.
October37.8 °F62.2 °F2.44 in.
November24.6 °F44.9 °F1.37 in.
December13.5 °F30.7 °F0.97 in.
Annual36 °F57.6 °F29.44 in.

Climate Data for Sioux Center Iowa

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 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
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