Mallard Iowa Climate Data

Monthly Average Climate Data for Mallard Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January7.8 °F25.1 °F0.8 in.
February12.0 °F29.3 °F0.95 in.
March24.0 °F42.5 °F1.86 in.
April35.7 °F57.9 °F3.57 in.
May48.1 °F69.7 °F4.56 in.
June59.1 °F80.0 °F5.24 in.
July62.4 °F83.1 °F3.8 in.
August59.6 °F80.5 °F4.26 in.
September50.9 °F74.8 °F3.15 in.
October38.2 °F61.4 °F2.32 in.
November25.3 °F44.5 °F1.51 in.
December14.1 °F30.4 °F1.13 in.
Annual36.4 °F56.6 °F33.15 in.

Climate Data for Mallard Iowa

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