Shannon City Iowa Climate Data

Monthly Average Climate Data for Shannon City Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.9 °F31.3 °F0.88 in.
February17.0 °F36.3 °F1.28 in.
March27.6 °F49.0 °F2.13 in.
April38.5 °F61.3 °F3.75 in.
May50.4 °F71.2 °F5.38 in.
June60.5 °F80.5 °F5.15 in.
July64.7 °F84.8 °F4.32 in.
August62.3 °F83.3 °F4.2 in.
September53.2 °F76.1 °F3.78 in.
October40.9 °F63.8 °F2.83 in.
November28.9 °F48.9 °F2.03 in.
December18.4 °F36.2 °F1.38 in.
Annual39.6 °F60.2 °F37.11 in.

Climate Data for Shannon City 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 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
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