Gibson City Illinois Climate Data

Monthly Average Climate Data for Gibson City Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.6 °F32.8 °F2.11 in.
February19.9 °F37.3 °F1.82 in.
March29.1 °F49.1 °F2.59 in.
April39.6 °F62.4 °F3.8 in.
May51.5 °F73.5 °F4.58 in.
June60.7 °F82.0 °F4.36 in.
July63.6 °F84.6 °F4.0 in.
August61.2 °F83.1 °F3.66 in.
September53.6 °F78.3 °F3.18 in.
October41.9 °F65.4 °F3.26 in.
November31.5 °F50.4 °F2.78 in.
December22.2 °F37.7 °F2.24 in.
Annual41 °F61.4 °F38.38 in.

Climate Data for Gibson City Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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