Numa Iowa Climate Data

Monthly Average Climate Data for Numa Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.9 °F31.9 °F1.13 in.
February17.6 °F36.6 °F1.48 in.
March28.3 °F49.5 °F2.26 in.
April39.1 °F61.6 °F3.96 in.
May50.6 °F71.3 °F5.42 in.
June60.5 °F80.8 °F5.3 in.
July64.6 °F85.0 °F4.59 in.
August62.3 °F83.6 °F4.2 in.
September53.5 °F76.5 °F3.89 in.
October41.5 °F63.8 °F2.95 in.
November29.4 °F49.2 °F2.14 in.
December19.7 °F36.9 °F1.55 in.
Annual40.1 °F60.6 °F38.87 in.

Climate Data for Numa Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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