Kansas Illinois Climate Data

Monthly Average Climate Data for Kansas Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.4 °F35.5 °F2.77 in.
February22.4 °F40.4 °F2.36 in.
March31.6 °F51.6 °F3.09 in.
April42.2 °F64.3 °F4.77 in.
May53.7 °F74.3 °F4.53 in.
June62.7 °F82.9 °F4.85 in.
July65.1 °F85.8 °F4.21 in.
August63.1 °F84.6 °F2.98 in.
September55.4 °F79.3 °F3.11 in.
October44.0 °F67.0 °F3.6 in.
November33.5 °F52.3 °F3.61 in.
December24.9 °F40.2 °F2.76 in.
Annual43.2 °F63.2 °F42.64 in.

Climate Data for Kansas Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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