Coalton Illinois Climate Data

Monthly Average Climate Data for Coalton Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.2 °F35.8 °F2.53 in.
February23.7 °F41.0 °F2.13 in.
March32.7 °F52.2 °F2.96 in.
April43.1 °F65.1 °F4.36 in.
May54.2 °F75.2 °F4.74 in.
June63.1 °F83.6 °F4.56 in.
July66.1 °F86.7 °F3.8 in.
August63.9 °F85.5 °F3.21 in.
September56.1 °F80.2 °F3.07 in.
October44.7 °F67.9 °F3.24 in.
November34.4 °F52.7 °F3.27 in.
December25.5 °F40.8 °F2.51 in.
Annual44 °F63.9 °F40.38 in.

Climate Data for Coalton 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 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com