Chapin Illinois Climate Data

Monthly Average Climate Data for Chapin Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.4 °F35.2 °F2.15 in.
February21.8 °F40.3 °F1.94 in.
March30.9 °F51.8 °F2.78 in.
April41.4 °F64.5 °F4.07 in.
May52.9 °F74.3 °F4.81 in.
June62.2 °F83.0 °F4.92 in.
July65.5 °F86.1 °F4.0 in.
August63.1 °F84.9 °F3.49 in.
September54.6 °F79.4 °F3.4 in.
October43.2 °F67.0 °F3.06 in.
November32.7 °F52.5 °F2.97 in.
December23.6 °F40.3 °F2.28 in.
Annual42.5 °F63.3 °F39.87 in.

Climate Data for Chapin 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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