Average Temperatures for Illinois in June





Average temperatures for June at cities throughout Illinois are listed below.

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

The tables give the normal maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center.

Chicago Area

Average June temperatures
High °F Low °F Place High °C Low °C
80 60 Aurora 27 16
78 57 Chicago Botanical Garden 25 14
80 62 Chicago Midway Airport 27 17
80 58 Chicago O'Hare Airport 27 15
80 61 Chicago University 27 16
80 58 Elgin 27 14
81 60 Joliet 27 15

Northern Illinois

Average temperatures in June
High °F Low °F Place High °C Low °C
78 57 Antioch 26 14
80 59 DeKalb 27 15
79 58 Dixon 26 15
80 58 Freeport 27 14
82 61 Moline 28 16
81 59 Rockford 27 15
76 56 Waukegan 24 13

Central Illinois

Normal temperatures for June
High °F Low °F Place High °C Low °C
85 66 Alton 29 19
84 65 Cahokia 29 18
83 61 Danville 29 16
82 61 Peoria 28 16
82 62 Quincy 28 17
83 62 Springfield 28 17
83 62 Urbana 28 17

Southern Illinois

Average June temperatures
High °F Low °F Place High °C Low °C
86 65 Cairo 30 18
82 62 Marion 28 17
83 63 Mt Vernon 28 17
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Illinois Temperatures
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