December 2008 - May 2010 Illinois Divisional Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
127 years
1901-2000
1101
Northwest
1
11
Illinois
IL
44.1
0.1
67
43.9
1102
Northeast
2
11
Illinois
IL
44.5
0.3
71
44.2
1103
West
3
11
Illinois
IL
46.6
-0.5
39
47.1
1104
Central
4
11
Illinois
IL
46.6
0
66
46.6
1105
East
5
11
Illinois
IL
46.5
0.2
67
46.2
1106
West Southwest
6
11
Illinois
IL
49
-0.2
51
49.2
1107
East Southeast
7
11
Illinois
IL
49.4
0.3
69
49.2
1108
Southwest
8
11
Illinois
IL
51.8
0.2
69
51.7
1109
Southeast
9
11
Illinois
IL
51.9
0.2
64
51.7