Fulton Illinois Climate Data

Monthly Average Climate Data for Fulton Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.0 °F29.5 °F1.53 in.
February16.8 °F34.1 °F1.74 in.
March27.6 °F46.7 °F2.49 in.
April38.6 °F60.2 °F3.56 in.
May50.3 °F71.6 °F4.43 in.
June60.4 °F80.9 °F5.04 in.
July63.8 °F83.9 °F3.94 in.
August61.6 °F82.1 °F3.81 in.
September53.3 °F76.0 °F3.64 in.
October41.6 °F63.1 °F2.7 in.
November30.0 °F48.0 °F2.29 in.
December19.5 °F35.1 °F1.88 in.
Annual39.7 °F59.3 °F37.05 in.

Climate Data for Fulton Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°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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