Gibson City Illinois Climate Data

Monthly Average Climate Data for Gibson City Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C0.4 °C53.59 mm
February-6.7 °C2.9 °C46.23 mm
March-1.6 °C9.5 °C65.79 mm
April4.2 °C16.9 °C96.52 mm
May10.8 °C23.1 °C116.33 mm
June15.9 °C27.8 °C110.74 mm
July17.6 °C29.2 °C101.6 mm
August16.2 °C28.4 °C92.96 mm
September12 °C25.7 °C80.77 mm
October5.5 °C18.6 °C82.8 mm
November-0.3 °C10.2 °C70.61 mm
December-5.4 °C3.2 °C56.9 mm
Annual5 °C16.3 °C974.84 mm

Climate Data for Gibson City 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 5b : -26.1°C to -23.3°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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