Illinois, Climate Division 2 May 2004 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
60.9
59.0
1.9
89
41
1907
1977
2003
2001
top-third
2023
2
55.9
53.4
2.5
109
21
1907
1977
2003
2001
top-third
1922,1942
3
51.2
47.5
3.7
121
9
1926
2012
2003
2000
top-tenth
2007
4
45.1
41.9
3.2
117
13
1904
2012
2003
2000
top-tenth
1976
5
40.0
37.7
2.3
106
24
1912
2012
2003
2002
top-third
1911
6
38.5
35.8
2.7
113
16
1904
2012
2003
2002
top-third
1983
7
39.0
36.1
2.9
115
14
1904
2012
2003
2002
top-third
2010
8
40.6
38.1
2.5
114
15
1904
2012
2003
2002
top-third
1954,1976
9
43.1
41.0
2.1
111
18
1904
2012
2003
2002
top-third
10
46.1
44.0
2.1
114
15
1904
2012
2003
2002
top-third
1942,1954
11
48.5
46.6
1.9
112
17
1904
2012
2003
2002
top-third
2020
12
49.9
48.5
1.4
106
23
1904
2012
2003
2002
top-third
2007,2013
18
45.2
44.2
1.0
93
35
1905,1918
2017
1997
2003
top-third
1935,1989
24
49.5
48.5
1.0
102
26
1905
2017
1998
2003
top-third
1935,1989,2008,2016,2020
36
50.0
48.4
1.6
111
16
1918
2000
2003
2002
top-third
1933,1955,1992
48
49.6
48.4
1.2
105
21
1907
2001,2023
1999
2003
top-third
1922,1957,1990,1991,2014,2021
60
50.0
48.4
1.6
116
9
1908
2002
2001
2003
top-tenth
2013