Illinois, Climate Division 3 December 1948 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
31.3
28.3
3.0
82
48
1983
2015
1945
1947
normal
1999
2
36.9
34.3
2.6
98
32
2000
1931
1947
1946
top-third
1912
3
42.1
41.0
1.1
82
48
1976
1931
1945
1947
normal
1987
4
48.7
47.3
1.4
93
37
1976
1931
1945
1947
top-third
1923,1975,1990
5
53.8
52.5
1.3
99
31
1976
1931
1945
1947
top-third
1921,1930,1933,1940
6
57.4
56.5
0.9
89
41
1976
1931
1945
1947
top-third
1975,2019
7
59.3
58.6
0.7
82
48
1976
1931
1945
1947
normal
1897,2018,2019
8
59.6
59.1
0.5
80
50
1917
1931
1946
1947
normal
1962,1982,1984,2019,2020,2022
9
59.2
58.2
1.0
93
37
1917
1931
1947
1941
top-third
1896,1899
10
57.1
56.3
0.8
88
42
1917
2012
1947
1946
top-third
1911,1973
11
54.4
53.7
0.7
86
44
1917
2012
1947
1946
normal
1955,2004
12
51.5
51.2
0.3
76
54
1917
2012
1947
1946
normal
1923,1927,1928,1932,1957,1981,1994
18
53.9
53.0
0.9
99
30
1904
2012
1947
1942
top-third
1933,1956,2011,2022
24
51.3
51.2
0.1
71
58
1979
2017
1945
1947
normal
1915,1936,1981,2010
36
52.0
51.2
0.8
94
34
1905
2017
1947
1941
top-third
1936,1938,1957,1987,1989,1991
48
51.5
51.2
0.3
75
52
1905
1934
1946
1947
normal
1916,2014,2015
60
51.6
51.2
0.4
75
51
1905
1934
1947
1943
normal
1989,1999,2014