Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of October 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, December 1990

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1990
1-Month
30.4°F
(-0.9°C)
29.4°F
(-1.4°C)
1.0°F
(0.5°C)
63rd Coolest Coolest since: 1989 1983
62nd Warmest Warmest since: 1988 2015
Nov–Dec 1990
2-Month
38.6°F
(3.7°C)
35.1°F
(1.7°C)
3.5°F
(2.0°C)
104th Coolest Coolest since: 1989 1950
21st Warmest Warmest since: 1987 2015
Oct–Dec 1990
3-Month
43.3°F
(6.3°C)
41.6°F
(5.3°C)
1.7°F
(1.0°C)
90th Coolest Coolest since: 1989 1976
35th Warmest Warmest since: 1984 1931
Ties: 1947, 2017
Sep–Dec 1990
4-Month
49.5°F
(9.7°C)
47.8°F
(8.8°C)
1.7°F
(0.9°C)
99th Coolest Coolest since: 1989 1976
26th Warmest Warmest since: 1984 1931
Ties: 1973
Aug–Dec 1990
5-Month
54.1°F
(12.3°C)
52.9°F
(11.6°C)
1.2°F
(0.7°C)
95th Coolest Coolest since: 1989 1976
30th Warmest Warmest since: 1984 1931
Ties: 1899, 1921, 1933, 1940, 1975
Jul–Dec 1990
6-Month
57.4°F
(14.1°C)
56.7°F
(13.7°C)
0.7°F
(0.4°C)
80th Coolest Coolest since: 1989 1976
45th Warmest Warmest since: 1988 1931
Ties: 1897, 1908, 1918, 1948, 1975, 2018
Jun–Dec 1990
7-Month
59.5°F
(15.3°C)
58.8°F
(14.9°C)
0.7°F
(0.4°C)
79th Coolest Coolest since: 1989 1917
46th Warmest Warmest since: 1988 1931
Ties: 1918, 1930, 1952
May–Dec 1990
8-Month
59.4°F
(15.2°C)
59.2°F
(15.1°C)
0.2°F
(0.1°C)
59th Coolest Coolest since: 1989 1917
66th Warmest Warmest since: 1988 1931
Ties: 1896, 1912, 1955, 1962
Apr–Dec 1990
9-Month
58.5°F
(14.7°C)
58.4°F
(14.7°C)
0.1°F
(0.0°C)
57th Coolest Coolest since: 1989 1917
68th Warmest Warmest since: 1988 1931
Ties: 1963
Mar–Dec 1990
10-Month
57.1°F
(13.9°C)
56.5°F
(13.6°C)
0.6°F
(0.3°C)
81st Coolest Coolest since: 1989 1917
44th Warmest Warmest since: 1988 2012
Ties: 1911, 1948, 2002, 2003
Feb–Dec 1990
11-Month
55.1°F
(12.8°C)
54.0°F
(12.2°C)
1.1°F
(0.6°C)
99th Coolest Coolest since: 1989 1917
26th Warmest Warmest since: 1987 2012
Ties: 1933, 1934, 1939, 1956, 1986, 2004, 2018
Jan–Dec 1990
12-Month
53.6°F
(12.0°C)
51.7°F
(10.9°C)
1.9°F
(1.1°C)
109th Coolest Coolest since: 1989 1917
16th Warmest Warmest since: 1987 2012
Ties: 1933
Jul 1989–Dec 1990
18-Month
53.8°F
(12.1°C)
53.3°F
(11.8°C)
0.5°F
(0.3°C)
83rd Coolest Coolest since: 1989 1904
41st Warmest Warmest since: 1988 2012
Ties: 1923, 1964, 1981, 2001, 2010
Jan 1989–Dec 1990
24-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
79th Coolest Coolest since: 1989 1904, 1979
45th Warmest Warmest since: 1988 2017
Ties: 1941
Jan 1988–Dec 1990
36-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 1986 1905
46th Warmest Warmest since: 1989 2017
Ties: 1943, 2009
Jan 1987–Dec 1990
48-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
100th Coolest Coolest since: 1989 1905
22nd Warmest Warmest since: 1957 2001, 2018
Ties: 1935, 1936, 1954, 1991, 1993, 1999, 2009
Jan 1986–Dec 1990
60-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
103rd Coolest Coolest since: 1989 1905
18th Warmest Warmest since: 1957 2002
Ties: 1933, 1942, 2004, 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 6, 2019 from https://www.ncdc.noaa.gov/cag/