July 1989 - April 1990 Illinois Divisional Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
128 years
1901-2000
1101
Northwest
1
11
Illinois
IL
45.9
0.9
91
45
1102
Northeast
2
11
Illinois
IL
46.4
0.9
94
45.4
1103
West
3
11
Illinois
IL
49
0.8
90
48.1
1104
Central
4
11
Illinois
IL
48.4
0.8
87
47.6
1105
East
5
11
Illinois
IL
48.2
0.9
89
47.2
1106
West Southwest
6
11
Illinois
IL
50.8
0.6
86
50.2
1107
East Southeast
7
11
Illinois
IL
50.9
0.7
85
50.1
1108
Southwest
8
11
Illinois
IL
53
0.5
74
52.6
1109
Southeast
9
11
Illinois
IL
52.8
0.2
60
52.6