Steger Illinois Climate Data

Monthly Average Climate Data for Steger Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.6 °F31.7 °F2.33 in.
February19.4 °F35.7 °F2.19 in.
March28.7 °F46.8 °F2.38 in.
April39.2 °F59.5 °F3.87 in.
May50.0 °F70.3 °F4.46 in.
June59.8 °F80.1 °F4.73 in.
July64.4 °F84.0 °F4.45 in.
August62.7 °F82.2 °F4.19 in.
September55.0 °F75.9 °F3.31 in.
October43.0 °F62.9 °F3.54 in.
November32.3 °F49.1 °F2.79 in.
December22.2 °F36.8 °F2.29 in.
Annual41.1 °F59.6 °F40.53 in.

Climate Data for Steger Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°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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