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, January 1991

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
January 1991
1-Month
23.3°F
(-4.8°C)
25.3°F
(-3.7°C)
-2.0°F
(-1.1°C)
38th Coolest Coolest since: 1988 1977
88th Warmest Warmest since: 1990 2006
Dec 1990–Jan 1991
2-Month
26.8°F
(-2.9°C)
27.4°F
(-2.6°C)
-0.6°F
(-0.3°C)
47th Coolest Coolest since: 1986 1918
78th Warmest Warmest since: 1990 1932
Nov 1990–Jan 1991
3-Month
33.5°F
(0.8°C)
31.9°F
(-0.1°C)
1.6°F
(0.9°C)
80th Coolest Coolest since: 1990 1977
45th Warmest Warmest since: 1989 1932
Ties: 1924, 1980
Oct 1990–Jan 1991
4-Month
38.3°F
(3.5°C)
37.6°F
(3.1°C)
0.7°F
(0.4°C)
70th Coolest Coolest since: 1990 1977
55th Warmest Warmest since: 1989 1932
Sep 1990–Jan 1991
5-Month
44.2°F
(6.8°C)
43.3°F
(6.3°C)
0.9°F
(0.5°C)
77th Coolest Coolest since: 1990 1977
48th Warmest Warmest since: 1989 1932
Ties: 1937, 1957
Aug 1990–Jan 1991
6-Month
48.9°F
(9.4°C)
48.3°F
(9.1°C)
0.6°F
(0.3°C)
75th Coolest Coolest since: 1990 1977
50th Warmest Warmest since: 1989 1932
Ties: 1964, 1966, 1976, 1980, 1981, 2018
Jul 1990–Jan 1991
7-Month
52.5°F
(11.4°C)
52.2°F
(11.2°C)
0.3°F
(0.2°C)
65th Coolest Coolest since: 1990 1977
60th Warmest Warmest since: 1989 1932
Ties: 1928, 1967, 1976
Jun 1990–Jan 1991
8-Month
55.0°F
(12.8°C)
54.7°F
(12.6°C)
0.3°F
(0.2°C)
73rd Coolest Coolest since: 1990 1918, 1977
52nd Warmest Warmest since: 1989 1932
Ties: 1906, 1913, 1948, 1976, 1998, 2004, 2005
May 1990–Jan 1991
9-Month
55.4°F
(13.0°C)
55.5°F
(13.1°C)
-0.1°F
(-0.1°C)
52nd Coolest Coolest since: 1990 1918
73rd Warmest Warmest since: 1989 1932
Ties: 1897, 1902, 1917, 1924, 1948, 1985
Apr 1990–Jan 1991
10-Month
55.0°F
(12.8°C)
55.1°F
(12.8°C)
-0.1°F
(0.0°C)
57th Coolest Coolest since: 1990 1918
68th Warmest Warmest since: 1989 1932
Ties: 1945, 1948
Mar 1990–Jan 1991
11-Month
54.0°F
(12.2°C)
53.7°F
(12.1°C)
0.3°F
(0.1°C)
74th Coolest Coolest since: 1990 1918
51st Warmest Warmest since: 1989 2013
Ties: 1921, 2003
Feb 1990–Jan 1991
12-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
90th Coolest Coolest since: 1990 1918
35th Warmest Warmest since: 1989 2013
Ties: 1937, 1960, 1995
Aug 1989–Jan 1991
18-Month
50.9°F
(10.5°C)
50.5°F
(10.3°C)
0.4°F
(0.2°C)
78th Coolest Coolest since: 1990 1918
46th Warmest Warmest since: 1989 2017
Ties: 1920, 1931, 1957, 1984, 1987
Feb 1989–Jan 1991
24-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
53rd Coolest Coolest since: 1986 1918
71st Warmest Warmest since: 1990 2013
Ties: 1910, 1929, 1937, 1938, 1945, 1985, 1986, 2016
Feb 1988–Jan 1991
36-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
78th Coolest Coolest since: 1987 1905
45th Warmest Warmest since: 1990 2013
Ties: 1921, 1950, 1974, 1976
Feb 1987–Jan 1991
48-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
96th Coolest Coolest since: 1990 1905
26th Warmest Warmest since: 1990 1934, 2002, 2019
Ties: 1955, 1990, 2000
Feb 1986–Jan 1991
60-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
99th Coolest Coolest since: 1990 1906
22nd Warmest Warmest since: 1989 1935, 2003
Ties: 1956, 1989, 2015, 2016

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 18, 2019 from https://www.ncdc.noaa.gov/cag/