Illinois, Climate Division 8 July 2007 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
75.9
77.9
-2.0
22
108
2014
2012
2004
2006
bottom-third
2
75.5
75.9
-0.4
53
77
1904,1927
1934
2004
2006
normal
1899,1909,1940,1962
3
73.5
72.3
1.2
95
35
1924
1934
2006
1999
top-third
1918,1943,1999
4
68.6
68.1
0.5
80
50
1907
2012
2004
2006
normal
1902,1931,1949
5
65.6
63.4
2.2
116
14
1960
2012
2006
1991
top-third
6
59.6
58.6
1.0
89
41
1947
2012
2003
2006
top-third
1944,1974,2009
7
56.1
54.7
1.4
101
29
1912
2012
2004
2006
top-third
1944,1955,1964,2010
8
54.1
52.2
1.9
109
20
1978
2012
2005
2006
top-third
1938
9
53.3
51.3
2.0
112
17
1904,1912
2012
2004
2006
top-third
10
53.4
52.0
1.4
106
23
1904,1912
2012
2003
2006
top-third
1987,1995
11
54.5
53.5
1.0
94
35
1904
2012
2003
2006
top-third
1898,1995,2011
12
56.5
55.4
1.1
100
29
1904
2012
2003
2006
top-third
1919,1922,1941,1946,1957,1972,1986,1992
18
57.7
56.5
1.2
103
26
1918,1979
2012
2004
2006
top-third
24
57.2
55.4
1.8
117
11
1979
2017
2005
2006
top-tenth
1922,1955
36
57.1
55.4
1.7
119
8
1979
2018
2006
2006
top-tenth
1933,2006
48
57.0
55.3
1.7
120
6
1980
2019
2006
1935
top-tenth
2012,2013
60
56.5
55.3
1.2
108
17
1906
2020
2005
2006
top-third
1956,2003,2010,2016