Bridgeport Illinois Climate Data

Monthly Average Climate Data for Bridgeport Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.3 °C3.7 °C88.14 mm
February-3.6 °C6.5 °C68.83 mm
March1 °C12.3 °C97.28 mm
April6.8 °C19.1 °C129.29 mm
May12.9 °C24.6 °C134.62 mm
June17.8 °C29.3 °C128.02 mm
July19.2 °C30.8 °C114.05 mm
August18 °C30.3 °C80.26 mm
September13.7 °C27.3 °C89.92 mm
October7.2 °C20.6 °C96.01 mm
November1.6 °C12.7 °C102.87 mm
December-2.9 °C6.1 °C88.65 mm
Annual7.2 °C18.6 °C1217.94 mm

Climate Data for Bridgeport Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°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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