Millington Illinois Climate Data

Monthly Average Climate Data for Millington Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.3 °F30.9 °F1.79 in.
February18.5 °F35.2 °F1.74 in.
March28.2 °F47.4 °F2.32 in.
April38.8 °F60.7 °F3.66 in.
May50.1 °F71.9 °F4.62 in.
June60.0 °F81.1 °F4.63 in.
July63.6 °F84.3 °F3.9 in.
August61.8 °F82.4 °F3.86 in.
September53.7 °F77.0 °F3.43 in.
October41.9 °F64.1 °F3.22 in.
November31.3 °F49.1 °F2.52 in.
December21.2 °F36.3 °F2.1 in.
Annual40.4 °F60 °F37.79 in.

Climate Data for Millington Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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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