Average Rainfall for Illinois in June

The tables below give monthly averages for rainfall during June at cities in Illinois.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall 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 monthly precipitation in June
Days Place Inches Milli­metres
11 Aurora 4.5 114
12 Chicago Botanical Garden 4.3 109
11 Chicago Midway Airport 4.5 115
11 Chicago O'Hare Airport 4.1 104
11 Elgin 4.5 113
11 Joliet 4.3 109
11 Rochelle 4.9 125

Northern Illinois

June averages for total rainfall
Days Place Inches Milli­metres
11 DeKalb 4.6 116
9 Dixon 5.6 142
12 Freeport 5.3 134
11 Moline 5.0 127
11 Rockford 5.2 133
12 Waukegan 4.5 113

Central Illinois

Average amount of rain in June
Days Place Inches Milli­metres
8 Alton 3.4 86
9 Bloomington 4.4 112
10 Cahokia 4.3 109
11 Champaign 4.6 116
10 Charleston 4.8 123
12 Danville 5.2 132
11 Decatur 4.7 120
10 Kankakee 5.2 132
11 Ottawa 4.4 112
11 Peoria 3.7 95
10 Quincy 4.5 114
11 Springfield 4.6 117

Southern Illinois

Precipitation totals for June
Days Place Inches Milli­metres
9 Belleville 4.6 117
10 Carbondale 4.6 117
10 Mt Vernon 4.8 123
Reference

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

Illinois Precipitation
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