Magnolia Iowa Climate Data

Monthly Average Climate Data for Magnolia Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.1 °F30.4 °F0.72 in.
February16.2 °F35.6 °F0.93 in.
March27.0 °F48.5 °F1.82 in.
April38.2 °F61.4 °F3.37 in.
May50.4 °F72.0 °F4.77 in.
June61.0 °F81.8 °F5.04 in.
July64.8 °F85.2 °F3.75 in.
August62.4 °F83.0 °F4.16 in.
September53.2 °F76.7 °F3.31 in.
October40.9 °F64.1 °F2.46 in.
November28.0 °F48.1 °F1.42 in.
December17.6 °F34.9 °F1.26 in.
Annual39.3 °F60.1 °F33.01 in.

Climate Data for Magnolia Iowa

Average First Frost DateOct. 1 - Oct. 10
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 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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