Illinois, Climate Division 2 July 2013 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
71.9
73.2
-1.3
36
94
2009
2012
2009
2012
bottom-third
1965,1994
2
70.1
70.9
-0.8
39
91
1915
1921
2009
2012
bottom-third
1937,1965,1967
3
67.2
66.9
0.3
67
63
1915,1924
1934
2009
2012
normal
1918,1985
4
62.0
62.1
-0.1
52
78
1907
1921
2009
2012
normal
1943,1956,1975
5
55.8
56.9
-1.1
28
102
1926
2012
1997
2012
bottom-third
1923,1935,1978
6
50.6
51.6
-1.0
38
92
1947
2012
1996
2012
bottom-third
1901
7
47.0
47.2
-0.2
57
73
1912
2012
2009
2012
normal
1906,1961,2019
8
45.4
44.6
0.8
81
48
1904
2012
2011
2012
normal
9
44.7
43.8
0.9
87
42
1904
2012
2011
2012
top-third
1938,1990,1992
10
45.3
44.7
0.6
82
47
1904
2012
2011
2012
normal
1946,1973,2011
11
46.9
46.4
0.5
78
51
1904
2012
2009
2012
normal
1901,1913,1981,1990
12
49.0
48.5
0.5
78
51
1904
2012
2009
2012
normal
1938,1948,1973,1989
18
52.1
49.5
2.6
124
5
1918
2012
2011
2012
top-tenth
2000
24
51.2
48.5
2.7
124
4
1905
2017
2011
2012
top-tenth
2000
36
50.6
48.4
2.2
123
4
1905,1979
2000,2018
2011
2012
top-tenth
2006,2007,2017
48
50.5
48.4
2.1
122
4
1905
2002
2012
2002
top-tenth
2023
60
49.9
48.4
1.5
114
11
1906
2002
2011
2012
top-tenth
1991,2001,2022