Mineral Illinois Climate Data

Monthly Average Climate Data for Mineral Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.3 °F30.5 °F1.79 in.
February17.7 °F35.0 °F1.88 in.
March28.0 °F47.8 °F2.42 in.
April38.7 °F61.2 °F3.77 in.
May50.6 °F72.3 °F4.91 in.
June60.4 °F81.2 °F4.83 in.
July63.7 °F84.3 °F3.95 in.
August61.5 °F82.6 °F3.89 in.
September53.1 °F76.9 °F3.56 in.
October41.6 °F64.2 °F2.94 in.
November30.3 °F48.9 °F2.44 in.
December20.2 °F36.0 °F2.03 in.
Annual40 °F60.1 °F38.41 in.

Climate Data for Mineral 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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