Average Snowfall for Illinois in January





The tables below give monthly averages for snowfall during January at cities in Illinois. The numbers are for the total amount of new snow and how many days it snows at least 0.1 inches (0.25 centimetres) this month.

The snowfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for each region of the state: Chicago Area, Northern Illinois, Central Illinois and Southern Illinois.

Chicago Area

Average total snowfall in January
Days Place Inches Centi­metres
5.6 Aurora 9.1 23.1
6.6 Chicago Botanical Garden 11.3 28.7
8.9 Chicago Midway Airport 12.5 31.8
8.5 Chicago O'Hare Airport 11.3 28.7
7.1 Elgin 9.5 24.1
4.2 Joliet 5.0 12.7

Northern Illinois

January snowfall averages
Days Place Inches Centi­metres
7.0 DeKalb 10.2 25.9
6.0 Dixon 13.0 33.0
6.0 Freeport 9.7 24.6
7.2 Moline 10.8 27.4
8.2 Rockford 10.9 27.7

Central Illinois

Average snow for January
Days Place Inches Centi­metres
1.7 Bloomington 1.8 4.6
5.4 Champaign 6.5 16.5
4.1 Charleston 8.1 20.6
3.6 Danville 6.5 16.5
3.7 Decatur 5.9 15.0
5.6 Kankakee 8.1 20.6
5.0 Ottawa 9.2 23.4
6.2 Peoria 7.7 19.6
5.2 Springfield 6.7 17.0

Southern Illinois

Average total snowfall in January
Days Place Inches Centi­metres
2.2 Belleville 3.4 8.6
1.7 Carbondale 3.2 8.1
1.8 Mt Vernon 3.2 8.1
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Illinois Snowfall
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