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 1986

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1986
1-Month
31.8°F
(-0.1°C)
29.4°F
(-1.4°C)
2.4°F
(1.3°C)
79th Coolest Coolest since: 1985 1983
46th Warmest Warmest since: 1984 2015
Ties: 1953
Nov–Dec 1986
2-Month
34.8°F
(1.6°C)
35.1°F
(1.7°C)
-0.3°F
(-0.1°C)
50th Coolest Coolest since: 1985 1950
75th Warmest Warmest since: 1984 2015
Ties: 1959
Oct–Dec 1986
3-Month
41.6°F
(5.3°C)
41.6°F
(5.3°C)
0.0°F
(0.0°C)
62nd Coolest Coolest since: 1985 1976
63rd Warmest Warmest since: 1984 1931
Ties: 1936, 1978, 1992
Sep–Dec 1986
4-Month
48.5°F
(9.2°C)
47.8°F
(8.8°C)
0.7°F
(0.4°C)
73rd Coolest Coolest since: 1985 1976
52nd Warmest Warmest since: 1984 1931
Ties: 1949
Aug–Dec 1986
5-Month
52.7°F
(11.5°C)
52.9°F
(11.6°C)
-0.2°F
(-0.1°C)
55th Coolest Coolest since: 1985 1976
70th Warmest Warmest since: 1984 1931
Ties: 1914, 1955, 1963
Jul–Dec 1986
6-Month
56.9°F
(13.8°C)
56.7°F
(13.7°C)
0.2°F
(0.1°C)
61st Coolest Coolest since: 1985 1976
64th Warmest Warmest since: 1984 1931
Ties: 1906
Jun–Dec 1986
7-Month
59.2°F
(15.1°C)
58.8°F
(14.9°C)
0.4°F
(0.2°C)
71st Coolest Coolest since: 1985 1917
54th Warmest Warmest since: 1984 1931
Ties: 1908, 1920, 1959, 1983
May–Dec 1986
8-Month
59.8°F
(15.4°C)
59.2°F
(15.1°C)
0.6°F
(0.3°C)
76th Coolest Coolest since: 1985 1917
49th Warmest Warmest since: 1984 1931
Ties: 1923, 1947, 1952, 1964
Apr–Dec 1986
9-Month
59.4°F
(15.2°C)
58.4°F
(14.7°C)
1.0°F
(0.5°C)
93rd Coolest Coolest since: 1985 1917
32nd Warmest Warmest since: 1971 1931
Ties: 1930, 1949, 1956, 2018
Mar–Dec 1986
10-Month
57.8°F
(14.3°C)
56.5°F
(13.6°C)
1.3°F
(0.7°C)
98th Coolest Coolest since: 1985 1917
27th Warmest Warmest since: 1977 2012
Ties: 1939, 1954
Feb–Dec 1986
11-Month
55.1°F
(12.8°C)
54.0°F
(12.2°C)
1.1°F
(0.6°C)
99th Coolest Coolest since: 1985 1917
26th Warmest Warmest since: 1977 2012
Ties: 1933, 1934, 1939, 1956, 1990, 2004, 2018
Jan–Dec 1986
12-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
96th Coolest Coolest since: 1985 1917
29th Warmest Warmest since: 1973 2012
Ties: 1913, 1949
Jul 1985–Dec 1986
18-Month
53.6°F
(12.0°C)
53.4°F
(11.9°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 1985 1904
53rd Warmest Warmest since: 1983 2012
Ties: 1911, 1937, 2008
Jan 1985–Dec 1986
24-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
71st Coolest Coolest since: 1985 1904, 1979
53rd Warmest Warmest since: 1984 2017
Ties: 1919, 1928, 1971, 1973
Jan 1984–Dec 1986
36-Month
51.8°F
(11.0°C)
51.7°F
(10.9°C)
0.1°F
(0.1°C)
69th Coolest Coolest since: 1985 1905
54th Warmest Warmest since: 1975 2017
Jan 1983–Dec 1986
48-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
69th Coolest Coolest since: 1985 1905
53rd Warmest Warmest since: 1976 2001, 2018
Ties: 1948, 1974, 1976
Jan 1982–Dec 1986
60-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1985 1905
66th Warmest Warmest since: 1977 2002
Ties: 1900

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/