Milton Iowa Climate Data

Monthly Average Climate Data for Milton Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.3 °C0.3 °C35.81 mm
February-7.4 °C2.9 °C44.7 mm
March-1.3 °C10.1 °C57.91 mm
April4.7 °C17.3 °C95.5 mm
May11.1 °C22.7 °C138.68 mm
June16.4 °C27.9 °C127.76 mm
July18.6 °C30.1 °C109.22 mm
August17.3 °C29.3 °C98.55 mm
September12.5 °C25.5 °C95 mm
October6.1 °C18.4 °C75.95 mm
November-0.4 °C10.1 °C57.91 mm
December-6.1 °C3.1 °C42.93 mm
Annual5.2 °C16.5 °C979.92 mm

Climate Data for Milton Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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 ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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