Illinois, Average Temperature Rankings, July 2017
1901-2000
Degrees Fahrenheit
1
76.1
75.6
0.5
84
45
2009,2014
1936
2016
2012
normal
1940,1969
2
74.4
73.5
0.9
92
37
1915,1958
1934
2015
2016
top-third
1923,1941,1964,1995,2021
3
70.2
69.7
0.5
77
52
1924
1934
2014
2016
normal
1970,2001
4
66.8
65.2
1.6
104
25
1907
1934
2016
2012
top-third
1930,1998
5
62.1
60.1
2.0
116
13
1960
2012
2015
2016
top-tenth
6
58.6
55.0
3.6
124
5
1947
2012
2016
2012
top-tenth
7
54.8
50.7
4.1
126
3
1912
2012
2016
2012
top-tenth
8
51.6
48.1
3.5
124
4
1904
2012
2015
2016
top-tenth
9
51.2
47.2
4.0
126
2
1904
2012
2016
2016
top-tenth
2016
10
52.1
48.0
4.1
126
2
1904
2012
2016
2012
top-tenth
11
53.8
49.7
4.1
126
2
1904
2012
2016
2012
top-tenth
12
55.6
51.6
4.0
126
2
1904
2012
2016
2012
top-tenth
18
56.3
52.7
3.6
126
2
1918
2012
2016
2012
top-tenth
24
55.3
51.6
3.7
126
1
1905
2017
2016
2017
highest
36
53.8
51.6
2.2
123
3
1979
2018
2016
2012
top-tenth
2012
48
52.7
51.6
1.1
105
20
1905,1980
2019
2016
2013
top-third
1922,2009
60
52.5
51.6
0.9
98
26
1906
2020
2015
2016
top-third
1923,1933,1992,2000,2014