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


Illinois

Average Temperature Rankings, April 2003

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 2003
1-Month
53.5°F
(11.9°C)
51.5°F
(10.8°C)
2.0°F
(1.1°C)
91st Coolest Coolest since: 2002 1907
35th Warmest Warmest since: 2002 2010
Ties: 2002
Mar–Apr 2003
2-Month
47.6°F
(8.7°C)
45.7°F
(7.6°C)
1.9°F
(1.1°C)
93rd Coolest Coolest since: 2002 1926
33rd Warmest Warmest since: 2000 2012
Ties: 1948
Feb–Apr 2003
3-Month
40.5°F
(4.7°C)
40.2°F
(4.6°C)
0.3°F
(0.1°C)
70th Coolest Coolest since: 1996 1978
56th Warmest Warmest since: 2002 2012
Ties: 1964, 1967, 1994
Jan–Apr 2003
4-Month
36.1°F
(2.3°C)
36.5°F
(2.5°C)
-0.4°F
(-0.2°C)
56th Coolest Coolest since: 1996 1912
70th Warmest Warmest since: 2002 2012
Ties: 1948
Dec 2002–Apr 2003
5-Month
35.3°F
(1.8°C)
35.1°F
(1.7°C)
0.2°F
(0.1°C)
65th Coolest Coolest since: 2001 1978
60th Warmest Warmest since: 2002 2012
Ties: 1897, 1898, 1948, 1986
Nov 2002–Apr 2003
6-Month
36.0°F
(2.2°C)
36.0°F
(2.2°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 2001 1904
68th Warmest Warmest since: 2002 2012
Ties: 1897, 1898, 1913, 1930, 2008, 2009
Oct 2002–Apr 2003
7-Month
38.3°F
(3.5°C)
38.7°F
(3.7°C)
-0.4°F
(-0.2°C)
45th Coolest Coolest since: 2001 1904
80th Warmest Warmest since: 2002 2012
Ties: 1975
Sep 2002–Apr 2003
8-Month
42.2°F
(5.7°C)
42.1°F
(5.6°C)
0.1°F
(0.1°C)
54th Coolest Coolest since: 2001 1904
71st Warmest Warmest since: 2002 2017
Ties: 1896, 1908, 1913, 1915, 1950, 2009
Aug 2002–Apr 2003
9-Month
45.8°F
(7.7°C)
45.6°F
(7.6°C)
0.2°F
(0.1°C)
62nd Coolest Coolest since: 2001 1904
63rd Warmest Warmest since: 2002 2017
Ties: 2013
Jul 2002–Apr 2003
10-Month
49.1°F
(9.5°C)
48.6°F
(9.2°C)
0.5°F
(0.3°C)
76th Coolest Coolest since: 2001 1904
49th Warmest Warmest since: 2002 2012
Ties: 1915, 1985
Jun 2002–Apr 2003
11-Month
51.3°F
(10.7°C)
50.7°F
(10.4°C)
0.6°F
(0.3°C)
79th Coolest Coolest since: 2001 1904
46th Warmest Warmest since: 2002 2017
Ties: 1948, 1983, 1990
May 2002–Apr 2003
12-Month
52.0°F
(11.1°C)
51.7°F
(10.9°C)
0.3°F
(0.2°C)
75th Coolest Coolest since: 2001 1918
50th Warmest Warmest since: 2002 2012, 2017
Ties: 1898, 1933, 1941, 1985
Nov 2001–Apr 2003
18-Month
48.3°F
(9.1°C)
46.4°F
(8.0°C)
1.9°F
(1.1°C)
112th Coolest Coolest since: 2002 1905
12th Warmest Warmest since: 2000 2017
Ties: 2005, 2007, 2018
May 2001–Apr 2003
24-Month
53.0°F
(11.7°C)
51.6°F
(10.9°C)
1.4°F
(0.8°C)
108th Coolest Coolest since: 2002 1905
16th Warmest Warmest since: 2000 2017
May 2000–Apr 2003
36-Month
52.4°F
(11.3°C)
51.6°F
(10.9°C)
0.8°F
(0.4°C)
92nd Coolest Coolest since: 1998 1979
31st Warmest Warmest since: 2002 2018
Ties: 1921, 1942, 1990
May 1999–Apr 2003
48-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
108th Coolest Coolest since: 1999 1980
14th Warmest Warmest since: 2002 2019
Ties: 1992, 2005
May 1998–Apr 2003
60-Month
53.2°F
(11.8°C)
51.6°F
(10.9°C)
1.6°F
(0.9°C)
118th Coolest Coolest since: 2001 1906
3rd Warmest Warmest since: 2002 1935, 2002
Ties: 2006

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 22, 2020 from https://www.ncdc.noaa.gov/cag/