Magnolia Illinois Climate Data

Monthly Average Climate Data for Magnolia Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.1 °F31.3 °F1.91 in.
February18.6 °F35.8 °F1.81 in.
March28.3 °F48.2 °F2.52 in.
April38.9 °F61.7 °F3.63 in.
May50.7 °F72.6 °F4.59 in.
June60.4 °F81.4 °F4.21 in.
July64.0 °F84.5 °F3.86 in.
August61.8 °F82.8 °F3.77 in.
September53.6 °F77.3 °F3.43 in.
October42.0 °F64.7 °F2.92 in.
November30.9 °F49.4 °F2.61 in.
December20.9 °F36.5 °F1.96 in.
Annual40.4 °F60.5 °F37.22 in.

Climate Data for Magnolia Illinois

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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