Minonk Illinois Climate Data

Monthly Average Climate Data for Minonk Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.7 °F32.6 °F2.03 in.
February19.1 °F37.4 °F1.85 in.
March28.7 °F49.5 °F2.61 in.
April39.2 °F62.8 °F3.62 in.
May51.0 °F73.8 °F4.59 in.
June60.7 °F82.7 °F4.07 in.
July63.9 °F85.6 °F3.89 in.
August61.8 °F83.8 °F3.53 in.
September53.8 °F78.6 °F3.49 in.
October42.3 °F65.8 °F3.07 in.
November31.3 °F50.5 °F2.62 in.
December21.5 °F37.8 °F2.08 in.
Annual40.8 °F61.7 °F37.45 in.

Climate Data for Minonk 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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