Marne Iowa Climate Data

Monthly Average Climate Data for Marne Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.3 °C-0.9 °C21.34 mm
February-9.1 °C1.8 °C29.21 mm
March-3 °C9.2 °C48.26 mm
April2.9 °C16.4 °C90.93 mm
May9.9 °C22.1 °C135.64 mm
June15.7 °C27.4 °C112.52 mm
July17.7 °C29.3 °C94.74 mm
August16.1 °C28.3 °C97.28 mm
September10.9 °C24.9 °C83.31 mm
October4.3 °C17.8 °C71.63 mm
November-2.7 °C8.9 °C41.4 mm
December-8.2 °C1.8 °C34.54 mm
Annual3.6 °C15.6 °C860.8 mm

Climate Data for Marne Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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