Carrollton Illinois Climate Data

Monthly Average Climate Data for Carrollton Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.3 °F36.2 °F2.28 in.
February22.7 °F41.5 °F2.13 in.
March31.7 °F52.5 °F3.06 in.
April42.2 °F64.6 °F4.4 in.
May53.6 °F74.4 °F4.93 in.
June62.9 °F83.0 °F4.52 in.
July66.1 °F86.2 °F3.82 in.
August63.8 °F85.1 °F3.43 in.
September55.3 °F79.3 °F3.3 in.
October43.8 °F67.2 °F3.14 in.
November33.2 °F52.9 °F3.25 in.
December24.3 °F41.0 °F2.42 in.
Annual43.2 °F63.7 °F40.68 in.

Climate Data for Carrollton 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 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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