Swea City Iowa Climate Data

Monthly Average Climate Data for Swea City Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.1 °F24.1 °F0.79 in.
February11.3 °F28.4 °F0.91 in.
March23.6 °F41.2 °F1.77 in.
April35.4 °F57.1 °F3.4 in.
May48.0 °F69.8 °F4.43 in.
June59.1 °F79.8 °F4.95 in.
July62.3 °F82.4 °F4.14 in.
August59.7 °F80.2 °F3.79 in.
September51.2 °F74.6 °F3.2 in.
October38.0 °F60.5 °F2.4 in.
November25.1 °F43.4 °F1.41 in.
December13.7 °F29.3 °F1.21 in.
Annual36.2 °F55.9 °F32.4 in.

Climate Data for Swea City 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 5a : -20°F to -15°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
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