Avon Illinois Climate Data

Monthly Average Climate Data for Avon Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.2 °F32.4 °F1.89 in.
February18.7 °F37.0 °F1.87 in.
March28.9 °F49.7 °F2.53 in.
April39.5 °F63.0 °F3.73 in.
May51.7 °F73.4 °F5.02 in.
June61.4 °F82.2 °F4.76 in.
July64.4 °F85.4 °F4.04 in.
August62.0 °F83.7 °F3.49 in.
September54.0 °F77.9 °F3.65 in.
October42.1 °F65.5 °F2.97 in.
November30.8 °F50.3 °F2.35 in.
December21.1 °F37.6 °F1.83 in.
Annual40.8 °F61.5 °F38.13 in.

Climate Data for Avon 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
2024 plantmaps.com