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 1985

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1985
1-Month
20.9°F
(-6.2°C)
29.4°F
(-1.4°C)
-8.5°F
(-4.8°C)
7th Coolest Coolest since: 1983 1983
118th Warmest Warmest since: 1984 2015
Nov–Dec 1985
2-Month
31.2°F
(-0.4°C)
35.1°F
(1.7°C)
-3.9°F
(-2.1°C)
13th Coolest Coolest since: 1983 1950
112th Warmest Warmest since: 1984 2015
Ties: 1963
Oct–Dec 1985
3-Month
39.6°F
(4.2°C)
41.7°F
(5.4°C)
-2.1°F
(-1.2°C)
25th Coolest Coolest since: 1983 1976
100th Warmest Warmest since: 1984 1931
Sep–Dec 1985
4-Month
46.4°F
(8.0°C)
47.8°F
(8.8°C)
-1.4°F
(-0.8°C)
28th Coolest Coolest since: 1983 1976
97th Warmest Warmest since: 1984 1931
Ties: 1895
Aug–Dec 1985
5-Month
51.2°F
(10.7°C)
52.9°F
(11.6°C)
-1.7°F
(-0.9°C)
14th Coolest Coolest since: 1976 1976
111th Warmest Warmest since: 1984 1931
Ties: 1910, 1972
Jul–Dec 1985
6-Month
55.0°F
(12.8°C)
56.6°F
(13.7°C)
-1.6°F
(-0.9°C)
12th Coolest Coolest since: 1976 1976
113th Warmest Warmest since: 1984 1931
Ties: 1898, 1929, 1972
Jun–Dec 1985
7-Month
57.0°F
(13.9°C)
58.7°F
(14.8°C)
-1.7°F
(-0.9°C)
11th Coolest Coolest since: 1976 1917
114th Warmest Warmest since: 1984 1931
Ties: 1972, 2000
May–Dec 1985
8-Month
58.0°F
(14.4°C)
59.2°F
(15.1°C)
-1.2°F
(-0.7°C)
20th Coolest Coolest since: 1976 1917
105th Warmest Warmest since: 1984 1931
Ties: 1969, 1996, 2000
Apr–Dec 1985
9-Month
57.8°F
(14.3°C)
58.3°F
(14.6°C)
-0.5°F
(-0.3°C)
37th Coolest Coolest since: 1983 1917
88th Warmest Warmest since: 1984 1931
Ties: 1920, 1983, 1995, 2009
Mar–Dec 1985
10-Month
56.5°F
(13.6°C)
56.5°F
(13.6°C)
0.0°F
(0.0°C)
62nd Coolest Coolest since: 1984 1917
63rd Warmest Warmest since: 1982 2012
Feb–Dec 1985
11-Month
53.6°F
(12.0°C)
54.0°F
(12.2°C)
-0.4°F
(-0.2°C)
43rd Coolest Coolest since: 1980 1917
82nd Warmest Warmest since: 1984 2012
Ties: 1920, 1928, 1961, 1968, 1980
Jan–Dec 1985
12-Month
50.6°F
(10.3°C)
51.6°F
(10.9°C)
-1.0°F
(-0.6°C)
24th Coolest Coolest since: 1979 1917
101st Warmest Warmest since: 1984 2012
Ties: 1902, 1937, 1966, 1967
Jul 1984–Dec 1985
18-Month
53.0°F
(11.7°C)
53.3°F
(11.8°C)
-0.3°F
(-0.1°C)
42nd Coolest Coolest since: 1982 1904
82nd Warmest Warmest since: 1984 2012
Ties: 1906, 1961, 1966
Jan 1984–Dec 1985
24-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
37th Coolest Coolest since: 1982 1904, 1979
87th Warmest Warmest since: 1984 2017
Ties: 1927, 1930, 1937, 1976, 1982, 2009, 2015
Jan 1983–Dec 1985
36-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
55th Coolest Coolest since: 1984 1905
68th Warmest Warmest since: 1984 2017
Ties: 1911, 1958, 1983, 1984, 1995
Jan 1982–Dec 1985
48-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
37th Coolest Coolest since: 1982 1905
85th Warmest Warmest since: 1984 2001, 2018
Ties: 1909, 1952, 1964
Jan 1981–Dec 1985
60-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1983 1905
76th Warmest Warmest since: 1984 2002
Ties: 1911, 1952, 1965, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 11, 2019 from https://www.ncdc.noaa.gov/cag/