Radom Illinois Climate Data

Monthly Average Climate Data for Radom Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.6 °F39.1 °F2.92 in.
February26.0 °F44.1 °F2.6 in.
March34.6 °F54.3 °F3.74 in.
April45.0 °F66.3 °F4.89 in.
May55.6 °F75.4 °F5.08 in.
June64.3 °F84.3 °F4.87 in.
July67.6 °F87.4 °F4.1 in.
August65.3 °F86.4 °F3.21 in.
September57.1 °F80.4 °F3.34 in.
October45.8 °F69.1 °F3.33 in.
November35.5 °F54.6 °F3.94 in.
December27.2 °F43.3 °F3.02 in.
Annual45.6 °F65.4 °F45.04 in.

Climate Data for Radom Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com