Average Snowfall for Illinois in March





The tables below give monthly averages for snowfall during March 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 March
Days Place Inches Centi­metres
1.9 Aurora 2.6 6.6
3.1 Chicago Botanical Garden 5.6 14.2
3.9 Chicago Midway Airport 5.7 14.5
4.0 Chicago O'Hare Airport 5.5 14.0
2.7 Elgin 3.7 9.4
1.2 Joliet 2.1 5.3

Northern Illinois

March snowfall averages
Days Place Inches Centi­metres
3.0 DeKalb 4.4 11.2
1.9 Dixon 4.5 11.4
2.9 Freeport 3.8 9.7
3.2 Moline 4.4 11.2
3.9 Rockford 4.9 12.4

Central Illinois

Average snow for March
Days Place Inches Centi­metres
0.4 Bloomington 1.2 3.0
2.1 Champaign 2.5 6.4
1.4 Charleston 1.3 3.3
0.8 Danville 2.0 5.1
0.7 Decatur 0.9 2.3
1.9 Kankakee 3.0 7.6
1.6 Ottawa 3.3 8.4
2.2 Peoria 3.3 8.4
1.9 Springfield 3.1 7.9

Southern Illinois

Average total snowfall in March
Days Place Inches Centi­metres
0.6 Belleville 1.0 2.5
0.4 Carbondale 1.3 3.3
0.5 Mt Vernon 1.0 2.5
Reference

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

Illinois Snowfall
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