May 1947 - April 1951 Illinois Divisional Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
125 years
1901-2000
1101
Northwest
1
11
Illinois
IL
47.8
-0.3
32
48.2
1102
Northeast
2
11
Illinois
IL
48.1
-0.3
32
48.4
1103
West
3
11
Illinois
IL
51.1
-0.1
45
51.2
1104
Central
4
11
Illinois
IL
50.6
-0
47
50.7
1105
East
5
11
Illinois
IL
50.3
0
56
50.3
1106
West Southwest
6
11
Illinois
IL
53
-0.1
46
53.1
1107
East Southeast
7
11
Illinois
IL
53.1
0
53
53
1108
Southwest
8
11
Illinois
IL
55.1
-0.2
39
55.3
1109
Southeast
9
11
Illinois
IL
55.2
-0.2
36
55.4