Illinois, Climate Division 3 August 1959 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
77.3
73.6
3.7
118
12
1915
1947
1958
1947
top-tenth
2
75.9
74.8
1.1
97
33
1915
1936
1958
1957
top-third
1919,2002
3
75.2
73.7
1.5
101
29
1915
1936
1958
1955
top-third
2002
4
72.9
70.9
2.0
115
15
1915
1934
1958
1949
top-third
1949,2007
5
68.6
67.0
1.6
110
20
1907
1934
1958
1955
top-third
1954
6
63.7
62.3
1.4
107
23
1950
2012
1958
1955
top-third
7
58.5
57.4
1.1
98
32
1904
2012
1958
1957
top-third
1931,1941,1952,2007,2011
8
53.4
53.2
0.2
69
61
1904
2012
1958
1957
normal
1910,1928,1974,2021
9
50.2
50.5
-0.3
50
79
1904
2012
1958
1957
normal
1898,1900,1923,1975,1985,2003
10
49.5
49.4
0.1
62
67
1904
2012
1958
1957
normal
1901,1916,1923,1928,1973
11
50.1
49.9
0.2
68
61
1904
2012
1958
1957
normal
1898,1908,1909,1916,1980
12
51.4
51.2
0.2
67
62
1904
2012
1958
1957
normal
1937,1980,1990
18
54.5
54.9
-0.4
44
85
1904
2012
1958
1957
normal
1903,1975,1984
24
50.6
51.2
-0.6
29
99
1979
2017
1952
1958
bottom-third
36
51.2
51.2
0.0
57
70
1979
2018
1958
1957
normal
1909,1910,1930,1937,1946,1947
48
51.2
51.2
0.0
56
70
1905
1934
1953
1958
normal
1947,2011,2015
60
51.5
51.2
0.3
72
53
1906
1934,1935
1954
1958
normal
1946,1950,1976,1993,1995,2011