Hull Illinois Climate Data

Monthly Average Climate Data for Hull Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.8 °C2.3 °C49.02 mm
February-4.8 °C5.3 °C51.05 mm
March0.3 °C11.3 °C67.82 mm
April6.4 °C18.1 °C104.14 mm
May12.3 °C23.9 °C123.19 mm
June17.6 °C28.9 °C114.3 mm
July19.7 °C31.1 °C101.6 mm
August18.7 °C30.4 °C88.9 mm
September14.1 °C26.2 °C87.63 mm
October7.8 °C19.6 °C77.22 mm
November1.4 °C11.8 °C68.58 mm
December-4 °C5.1 °C53.09 mm
Annual6.9 °C17.8 °C986.54 mm

Climate Data for Hull 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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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