Northboro Iowa Climate Data

Monthly Average Climate Data for Northboro Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.2 °C0.6 °C20.83 mm
February-7.7 °C3.6 °C28.45 mm
March-1.9 °C10.7 °C49.78 mm
April3.9 °C17.2 °C85.6 mm
May10.7 °C22.8 °C141.73 mm
June16.5 °C27.9 °C132.84 mm
July18.7 °C29.9 °C113.79 mm
August17.2 °C29.1 °C94.23 mm
September12 °C25.7 °C81.53 mm
October5.3 °C18.9 °C71.12 mm
November-1.6 °C10.2 °C47.24 mm
December-7.1 °C3.2 °C32.77 mm
Annual4.7 °C16.7 °C899.91 mm

Climate Data for Northboro Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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