Monroe Iowa Climate Data

Monthly Average Climate Data for Monroe Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.7 °C-0.9 °C25.65 mm
February-8.6 °C1.6 °C33.78 mm
March-2.5 °C8.8 °C52.32 mm
April3.8 °C16.3 °C100.08 mm
May10.6 °C21.8 °C127.51 mm
June16.3 °C27.3 °C135.13 mm
July18.3 °C29.3 °C110.24 mm
August16.9 °C28.4 °C109.98 mm
September12 °C24.9 °C91.44 mm
October5.2 °C17.6 °C66.8 mm
November-1.5 °C9.2 °C48.77 mm
December-7.4 °C1.9 °C36.07 mm
Annual4.4 °C15.5 °C937.77 mm

Climate Data for Monroe 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 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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