Shenandoah Iowa Climate Data

Monthly Average Climate Data for Shenandoah Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.4 °C0.7 °C21.84 mm
February-8.2 °C3.5 °C29.97 mm
March-2.1 °C10.7 °C48.51 mm
April3.8 °C17.5 °C85.09 mm
May10.8 °C23.2 °C149.86 mm
June16.7 °C28.3 °C139.45 mm
July18.7 °C30.2 °C108.71 mm
August17.1 °C29.3 °C89.66 mm
September11.7 °C26 °C79.5 mm
October4.8 °C19.2 °C70.61 mm
November-2 °C10.3 °C45.72 mm
December-7.4 °C3.3 °C33.02 mm
Annual4.5 °C16.9 °C901.94 mm

Climate Data for Shenandoah 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 : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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