Ellisville Illinois Climate Data

Monthly Average Climate Data for Ellisville Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.7 °F32.8 °F1.89 in.
February19.1 °F37.5 °F1.89 in.
March29.4 °F50.2 °F2.51 in.
April39.9 °F63.5 °F3.76 in.
May51.9 °F73.9 °F5.04 in.
June61.5 °F82.7 °F4.73 in.
July64.4 °F85.8 °F4.06 in.
August62.0 °F84.2 °F3.52 in.
September53.9 °F78.4 °F3.66 in.
October41.8 °F66.0 °F2.97 in.
November30.9 °F50.7 °F2.43 in.
December21.5 °F38.1 °F1.9 in.
Annual41 °F62 °F38.36 in.

Climate Data for Ellisville 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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