Broughton Illinois Climate Data

Monthly Average Climate Data for Broughton Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.3 °C4.9 °C90.93 mm
February-2.8 °C7.7 °C76.45 mm
March1.8 °C13.1 °C107.7 mm
April7.4 °C19.7 °C128.27 mm
May13.3 °C24.7 °C131.32 mm
June18.1 °C29.4 °C115.32 mm
July19.8 °C31.1 °C100.08 mm
August18.6 °C30.6 °C76.2 mm
September14.3 °C27.6 °C80.01 mm
October7.8 °C21.1 °C86.61 mm
November2.2 °C13.4 °C103.63 mm
December-2.1 °C7.3 °C91.95 mm
Annual7.8 °C19.2 °C1188.47 mm

Climate Data for Broughton Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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