Bonfield Illinois Climate Data

Monthly Average Climate Data for Bonfield Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.8 °C-0.1 °C54.86 mm
February-7.1 °C2.3 °C47.75 mm
March-1.9 °C8.9 °C61.21 mm
April3.8 °C16.2 °C95 mm
May10.2 °C22.4 °C115.57 mm
June15.7 °C27.5 °C118.87 mm
July17.6 °C29.2 °C111.25 mm
August16.4 °C28.3 °C97.28 mm
September12.1 °C25.3 °C81.79 mm
October5.7 °C18.1 °C82.55 mm
November-0.3 °C9.8 °C66.04 mm
December-5.6 °C2.8 °C54.61 mm
Annual4.8 °C15.9 °C986.78 mm

Climate Data for Bonfield Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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