Malvern Iowa Climate Data

Monthly Average Climate Data for Malvern Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.9 °F32.7 °F0.8 in.
February16.9 °F37.7 °F1.01 in.
March27.9 °F50.8 °F1.8 in.
April38.5 °F63.1 °F3.39 in.
May51.0 °F73.3 °F5.49 in.
June61.6 °F83.0 °F5.24 in.
July65.6 °F86.2 °F3.9 in.
August62.8 °F84.8 °F3.71 in.
September53.2 °F78.4 °F3.27 in.
October40.7 °F65.8 °F2.74 in.
November28.0 °F49.9 °F1.58 in.
December18.1 °F37.3 °F1.25 in.
Annual39.8 °F61.9 °F34.18 in.

Climate Data for Malvern Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 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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