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 November 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, December 1987

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1987
1-Month
33.9°F
(1.1°C)
29.4°F
(-1.4°C)
4.5°F
(2.5°C)
100th Coolest Coolest since: 1986 1983
25th Warmest Warmest since: 1984 2015
Ties: 2014
Nov–Dec 1987
2-Month
39.8°F
(4.3°C)
35.1°F
(1.7°C)
4.7°F
(2.6°C)
113th Coolest Coolest since: 1986 1950
12th Warmest Warmest since: 1982 2015
Ties: 2006
Oct–Dec 1987
3-Month
42.8°F
(6.0°C)
41.7°F
(5.4°C)
1.1°F
(0.6°C)
82nd Coolest Coolest since: 1986 1976
43rd Warmest Warmest since: 1984 1931
Ties: 1979
Sep–Dec 1987
4-Month
48.7°F
(9.3°C)
47.7°F
(8.7°C)
1.0°F
(0.6°C)
79th Coolest Coolest since: 1986 1976
46th Warmest Warmest since: 1984 1931
Ties: 1936, 1978, 2006
Aug–Dec 1987
5-Month
53.8°F
(12.1°C)
52.9°F
(11.6°C)
0.9°F
(0.5°C)
85th Coolest Coolest since: 1986 1976
40th Warmest Warmest since: 1984 1931
Ties: 1920, 1970, 2012, 2017, 2018
Jul–Dec 1987
6-Month
57.8°F
(14.3°C)
56.7°F
(13.7°C)
1.1°F
(0.6°C)
96th Coolest Coolest since: 1986 1976
29th Warmest Warmest since: 1984 1931
Ties: 1940, 1946, 1980, 1984
Jun–Dec 1987
7-Month
60.2°F
(15.7°C)
58.8°F
(14.9°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1986 1917
24th Warmest Warmest since: 1984 1931
Ties: 1956, 1984
May–Dec 1987
8-Month
61.2°F
(16.2°C)
59.2°F
(15.1°C)
2.0°F
(1.1°C)
112th Coolest Coolest since: 1986 1917
13th Warmest Warmest since: 1953 1931
Ties: 1921, 2018
Apr–Dec 1987
9-Month
60.3°F
(15.7°C)
58.4°F
(14.7°C)
1.9°F
(1.0°C)
110th Coolest Coolest since: 1986 1917
15th Warmest Warmest since: 1941 1931
Ties: 1913
Mar–Dec 1987
10-Month
58.7°F
(14.8°C)
56.5°F
(13.6°C)
2.2°F
(1.2°C)
116th Coolest Coolest since: 1986 1917
9th Warmest Warmest since: 1936 2012
Ties: 1936, 1991
Feb–Dec 1987
11-Month
56.6°F
(13.7°C)
54.0°F
(12.2°C)
2.6°F
(1.5°C)
119th Coolest Coolest since: 1986 1917
6th Warmest Warmest since: 1938 2012
Ties: 1938
Jan–Dec 1987
12-Month
54.1°F
(12.3°C)
51.6°F
(10.9°C)
2.5°F
(1.4°C)
118th Coolest Coolest since: 1986 1917
7th Warmest Warmest since: 1938 2012
Ties: 1938
Jul 1986–Dec 1987
18-Month
55.0°F
(12.8°C)
53.3°F
(11.8°C)
1.7°F
(1.0°C)
111th Coolest Coolest since: 1986 1904
13th Warmest Warmest since: 1954 2012
Ties: 1991, 2007
Jan 1986–Dec 1987
24-Month
53.5°F
(11.9°C)
51.7°F
(10.9°C)
1.8°F
(1.0°C)
112th Coolest Coolest since: 1986 1904, 1979
12th Warmest Warmest since: 1954 2017
Ties: 1932
Jan 1985–Dec 1987
36-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
94th Coolest Coolest since: 1986 1905
29th Warmest Warmest since: 1956 2017
Ties: 2004, 2011
Jan 1984–Dec 1987
48-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
86th Coolest Coolest since: 1986 1905
36th Warmest Warmest since: 1957 2001, 2018
Ties: 1921, 1932, 2015
Jan 1983–Dec 1987
60-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 1986 1905
34th Warmest Warmest since: 1957 2002
Ties: 1988, 1992, 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 10, 2019 from https://www.ncdc.noaa.gov/cag/