Elma Iowa Climate Data

Monthly Average Climate Data for Elma Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January6.8 °F23.7 °F0.87 in.
February10.7 °F28.0 °F1.02 in.
March22.6 °F40.8 °F1.78 in.
April34.4 °F56.1 °F3.76 in.
May46.5 °F68.4 °F5.11 in.
June57.1 °F77.9 °F6.2 in.
July60.4 °F81.1 °F4.48 in.
August57.8 °F79.1 °F4.37 in.
September49.4 °F73.0 °F3.99 in.
October37.2 °F59.5 °F3.01 in.
November25.2 °F42.9 °F1.67 in.
December13.7 °F29.3 °F1.37 in.
Annual35.2 °F55 °F37.63 in.

Climate Data for Elma Iowa

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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