Prairie City Illinois Climate Data

Monthly Average Climate Data for Prairie City Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.3 °F32.6 °F1.87 in.
February18.9 °F37.2 °F1.89 in.
March29.1 °F49.9 °F2.6 in.
April39.8 °F63.1 °F3.74 in.
May51.8 °F73.5 °F5.0 in.
June61.5 °F82.3 °F4.88 in.
July64.5 °F85.4 °F3.95 in.
August62.1 °F83.7 °F3.36 in.
September54.2 °F77.9 °F3.62 in.
October42.3 °F65.6 °F3.02 in.
November31.0 °F50.4 °F2.34 in.
December21.2 °F37.8 °F1.81 in.
Annual41 °F61.6 °F38.08 in.

Climate Data for Prairie City Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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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