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


Illinois

Average Temperature Rankings, May 2004

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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2004
1-Month
65.7°F
(18.7°C)
62.1°F
(16.7°C)
3.6°F
(2.0°C)
105th Coolest Coolest since: 2003 1917
21st Warmest Warmest since: 1998 2018
Apr–May 2004
2-Month
59.9°F
(15.5°C)
56.8°F
(13.8°C)
3.1°F
(1.7°C)
110th Coolest Coolest since: 2003 1907
16th Warmest Warmest since: 2001 1896
Mar–May 2004
3-Month
55.1°F
(12.8°C)
51.2°F
(10.7°C)
3.9°F
(2.1°C)
117th Coolest Coolest since: 2003 1960
9th Warmest Warmest since: 1991 2012
Feb–May 2004
4-Month
48.8°F
(9.3°C)
45.7°F
(7.6°C)
3.1°F
(1.7°C)
113th Coolest Coolest since: 2003 1978
13th Warmest Warmest since: 2000 2012
Ties: 1930
Jan–May 2004
5-Month
44.0°F
(6.7°C)
41.6°F
(5.3°C)
2.4°F
(1.4°C)
110th Coolest Coolest since: 2003 1978, 1979
16th Warmest Warmest since: 2000 2012
Ties: 1986
Dec 2003–May 2004
6-Month
42.3°F
(5.7°C)
39.6°F
(4.2°C)
2.7°F
(1.5°C)
111th Coolest Coolest since: 2003 1978
14th Warmest Warmest since: 2002 2012
Nov 2003–May 2004
7-Month
42.6°F
(5.9°C)
39.7°F
(4.3°C)
2.9°F
(1.6°C)
113th Coolest Coolest since: 2003 1904
12th Warmest Warmest since: 2002 2012
Oct 2003–May 2004
8-Month
44.1°F
(6.7°C)
41.6°F
(5.3°C)
2.5°F
(1.4°C)
112th Coolest Coolest since: 2003 1904, 1978
13th Warmest Warmest since: 2002 2012
Ties: 1987, 2005
Sep 2003–May 2004
9-Month
46.3°F
(7.9°C)
44.3°F
(6.8°C)
2.0°F
(1.1°C)
109th Coolest Coolest since: 2003 1904
16th Warmest Warmest since: 2002 2012
Ties: 1939
Aug 2003–May 2004
10-Month
49.2°F
(9.6°C)
47.2°F
(8.4°C)
2.0°F
(1.2°C)
110th Coolest Coolest since: 2003 1904
15th Warmest Warmest since: 2002 2012
Ties: 1987
Jul 2003–May 2004
11-Month
51.6°F
(10.9°C)
49.9°F
(9.9°C)
1.7°F
(1.0°C)
108th Coolest Coolest since: 2003 1904
17th Warmest Warmest since: 2002 2012
Jun 2003–May 2004
12-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
100th Coolest Coolest since: 2003 1904
25th Warmest Warmest since: 2002 2012
Dec 2002–May 2004
18-Month
48.5°F
(9.2°C)
47.6°F
(8.7°C)
0.9°F
(0.5°C)
91st Coolest Coolest since: 1997 1979
33rd Warmest Warmest since: 2003 2017
Ties: 1914, 1950, 2011
Jun 2002–May 2004
24-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
95th Coolest Coolest since: 2002 1905
29th Warmest Warmest since: 2003 2017
Ties: 1915, 1934
Jun 2001–May 2004
36-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
104th Coolest Coolest since: 2003 1979
19th Warmest Warmest since: 2002 2018
Jun 2000–May 2004
48-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
97th Coolest Coolest since: 1999 1980
25th Warmest Warmest since: 2003 2019
Ties: 1923, 1942, 1988, 1990, 1991
Jun 1999–May 2004
60-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
110th Coolest Coolest since: 2001 1906, 1907, 1908, 1981
11th Warmest Warmest since: 2003 2002
Ties: 1934, 2009

Citing This Page

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