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 2005

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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2005
1-Month
60.9°F
(16.1°C)
62.1°F
(16.7°C)
-1.2°F
(-0.6°C)
43rd Coolest Coolest since: 2002 1917
83rd Warmest Warmest since: 2004 2018
Ties: 1963, 1974
Apr–May 2005
2-Month
58.2°F
(14.6°C)
56.9°F
(13.8°C)
1.3°F
(0.8°C)
91st Coolest Coolest since: 2003 1907
35th Warmest Warmest since: 2004 1896
Ties: 1895
Mar–May 2005
3-Month
51.8°F
(11.0°C)
51.2°F
(10.7°C)
0.6°F
(0.3°C)
77th Coolest Coolest since: 2002 1960
49th Warmest Warmest since: 2004 2012
Ties: 1939, 1962
Feb–May 2005
4-Month
47.8°F
(8.8°C)
45.6°F
(7.6°C)
2.2°F
(1.2°C)
102nd Coolest Coolest since: 2003 1978
24th Warmest Warmest since: 2004 2012
Jan–May 2005
5-Month
44.1°F
(6.7°C)
41.6°F
(5.3°C)
2.5°F
(1.4°C)
112th Coolest Coolest since: 2004 1978, 1979
14th Warmest Warmest since: 2000 2012
Ties: 1896
Dec 2004–May 2005
6-Month
41.9°F
(5.5°C)
39.6°F
(4.2°C)
2.3°F
(1.3°C)
108th Coolest Coolest since: 2003 1978
17th Warmest Warmest since: 2004 2012
Ties: 1896
Nov 2004–May 2005
7-Month
42.5°F
(5.8°C)
39.8°F
(4.3°C)
2.7°F
(1.5°C)
112th Coolest Coolest since: 2003 1904
13th Warmest Warmest since: 2004 2012
Ties: 1987, 2007
Oct 2004–May 2005
8-Month
44.1°F
(6.7°C)
41.6°F
(5.3°C)
2.5°F
(1.4°C)
112th Coolest Coolest since: 2004 1904, 1978
13th Warmest Warmest since: 2004 2012
Ties: 1987, 2004
Sep 2004–May 2005
9-Month
46.7°F
(8.2°C)
44.4°F
(6.9°C)
2.3°F
(1.3°C)
112th Coolest Coolest since: 2004 1904
13th Warmest Warmest since: 2002 2012
Aug 2004–May 2005
10-Month
48.9°F
(9.4°C)
47.3°F
(8.5°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 2003 1904
20th Warmest Warmest since: 2004 2012
Jul 2004–May 2005
11-Month
51.1°F
(10.6°C)
49.9°F
(9.9°C)
1.2°F
(0.7°C)
102nd Coolest Coolest since: 2003 1904
23rd Warmest Warmest since: 2004 2012
Ties: 1914
Jun 2004–May 2005
12-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
96th Coolest Coolest since: 2003 1904
29th Warmest Warmest since: 2004 2012
Ties: 1931, 1941, 1957, 1981, 1995, 2013
Dec 2003–May 2005
18-Month
49.2°F
(9.6°C)
47.6°F
(8.7°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 2004 1979
19th Warmest Warmest since: 2000 2017
Jun 2003–May 2005
24-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
104th Coolest Coolest since: 2004 1905
20th Warmest Warmest since: 2003 2017
Jun 2002–May 2005
36-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
97th Coolest Coolest since: 2003 1979
26th Warmest Warmest since: 2004 2018
Ties: 1991, 1999
Jun 2001–May 2005
48-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
106th Coolest Coolest since: 2004 1980
16th Warmest Warmest since: 2003 2019
Ties: 1955, 1992, 2003
Jun 2000–May 2005
60-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
97th Coolest Coolest since: 1999 1906, 1907, 1908, 1981
24th Warmest Warmest since: 2004 2002
Ties: 1923, 1942, 1958, 2014

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/