Illinois, Climate Division 7 January 1928 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
29.1
27.7
1.4
73
58
1977
2006
1927
1923
normal
1955,2008
2
29.3
29.7
-0.4
51
79
1918
1932
1927
1924
normal
1981
3
34.8
33.9
0.9
68
62
1977
1932
1927
1924
normal
1974
4
40.7
39.4
1.3
84
46
1977
1932
1927
1923
normal
1903,1909
5
46.8
45.0
1.8
100
30
1977
1932
1927
1923
top-third
1941,1949,1974,1992
6
50.4
49.9
0.5
75
55
1977
1932
1927
1923
normal
1933,1966
7
53.8
53.6
0.2
66
64
1977
1932
1927
1923
normal
8
55.6
56.0
-0.4
45
85
1977
1932
1927
1924
normal
1903,1916,1990
9
56.3
56.8
-0.5
45
85
1918,1977
1932
1927
1924
normal
1986
10
56.0
56.4
-0.4
46
84
1918
1932
1927
1926
normal
1961
11
54.9
55.0
-0.1
56
74
1918
2013
1927
1926
normal
1897,1907,2010
12
53.6
53.1
0.5
79
51
1918
2013
1927
1926
normal
1901,1926,1956,1965
18
52.1
52.0
0.1
62
67
1905
2013
1927
1924
normal
1902,1937,1984,1986
24
52.8
53.1
-0.3
45
84
1918
2013
1927
1924
normal
1907,1916,1917,1929,1967,1984
36
53.0
53.0
0.0
57
71
1905
2013
1927
1924
normal
1973,1995
48
52.5
53.0
-0.5
24
103
1905
1934,2013,2020
1927
1926
bottom-third
1899,1903,1961,1963,1972,1978,1984
60
52.4
53.0
-0.6
20
106
1981
1935,2020,2021
1921
1927
bottom-third
1929,1962,1965,1984