Mazon Illinois Climate Data

Monthly Average Climate Data for Mazon Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.8 °F31.5 °F2.05 in.
February18.9 °F35.8 °F1.83 in.
March28.5 °F47.9 °F2.42 in.
April39.0 °F61.1 °F3.63 in.
May50.4 °F72.2 °F4.66 in.
June60.2 °F81.4 °F4.61 in.
July63.8 °F84.3 °F4.07 in.
August61.8 °F82.5 °F3.81 in.
September53.8 °F77.3 °F3.32 in.
October42.1 °F64.2 °F3.06 in.
November31.4 °F49.3 °F2.51 in.
December21.6 °F36.7 °F2.06 in.
Annual40.6 °F60.4 °F38.03 in.

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