Numa Iowa Climate Data

Monthly Average Climate Data for Numa Iowa

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.1 °C-0.1 °C28.7 mm
February-8 °C2.6 °C37.59 mm
March-2.1 °C9.7 °C57.4 mm
April3.9 °C16.4 °C100.58 mm
May10.3 °C21.8 °C137.67 mm
June15.8 °C27.1 °C134.62 mm
July18.1 °C29.4 °C116.59 mm
August16.8 °C28.7 °C106.68 mm
September11.9 °C24.7 °C98.81 mm
October5.3 °C17.7 °C74.93 mm
November-1.4 °C9.6 °C54.36 mm
December-6.8 °C2.7 °C39.37 mm
Annual4.5 °C15.9 °C987.3 mm

Climate Data for Numa 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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