Chapin Illinois Climate Data

Monthly Average Climate Data for Chapin Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.6 °C1.8 °C54.61 mm
February-5.7 °C4.6 °C49.28 mm
March-0.6 °C11 °C70.61 mm
April5.2 °C18.1 °C103.38 mm
May11.6 °C23.5 °C122.17 mm
June16.8 °C28.3 °C124.97 mm
July18.6 °C30.1 °C101.6 mm
August17.3 °C29.4 °C88.65 mm
September12.6 °C26.3 °C86.36 mm
October6.2 °C19.4 °C77.72 mm
November0.4 °C11.4 °C75.44 mm
December-4.7 °C4.6 °C57.91 mm
Annual5.8 °C17.4 °C1012.7 mm

Climate Data for Chapin 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 : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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