Montour Iowa Climate Data

Monthly Average Climate Data for Montour Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.7 °C-2.3 °C25.4 mm
February-9.6 °C0.4 °C29.46 mm
March-3.4 °C7.7 °C51.31 mm
April2.8 °C15.6 °C97.54 mm
May9.7 °C21.7 °C123.95 mm
June15.7 °C27.1 °C140.46 mm
July17.5 °C28.9 °C109.22 mm
August15.9 °C27.8 °C108.2 mm
September11.1 °C24.3 °C87.88 mm
October4.4 °C17 °C68.58 mm
November-2.4 °C8.2 °C51.82 mm
December-8.2 °C0.9 °C36.07 mm
Annual3.5 °C14.8 °C929.89 mm

Climate Data for Montour 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 : -28.9°C to -26.1°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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