Climate at a Glance

Divisional 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, Climate Division 6. West Southwest

Average Temperature Rankings, May 2009

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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2009
1-Month
63.9°F
(17.7°C)
63.5°F
(17.5°C)
0.4°F
(0.2°C)
62nd Coolest Coolest since: 2008 1924
64th Warmest Warmest since: 2007 2018
Ties: 1928
Apr–May 2009
2-Month
58.4°F
(14.7°C)
58.3°F
(14.6°C)
0.1°F
(0.1°C)
57th Coolest Coolest since: 2008 1907
69th Warmest Warmest since: 2007 1896
Ties: 1913
Mar–May 2009
3-Month
54.1°F
(12.3°C)
52.7°F
(11.5°C)
1.4°F
(0.8°C)
92nd Coolest Coolest since: 2008 1960
34th Warmest Warmest since: 2007 2012
Ties: 1908, 1936, 1976, 2015
Feb–May 2009
4-Month
49.3°F
(9.6°C)
47.3°F
(8.5°C)
2.0°F
(1.1°C)
100th Coolest Coolest since: 2008 1978
26th Warmest Warmest since: 2006 2012
Ties: 1945
Jan–May 2009
5-Month
44.2°F
(6.8°C)
43.3°F
(6.3°C)
0.9°F
(0.5°C)
85th Coolest Coolest since: 2008 1978
41st Warmest Warmest since: 2007 2012
Ties: 1942, 1945, 1967
Dec 2008–May 2009
6-Month
41.7°F
(5.4°C)
41.3°F
(5.2°C)
0.4°F
(0.2°C)
69th Coolest Coolest since: 2008 1978
56th Warmest Warmest since: 2007 2012
Nov 2008–May 2009
7-Month
41.8°F
(5.4°C)
41.4°F
(5.2°C)
0.4°F
(0.2°C)
70th Coolest Coolest since: 2008 1904
55th Warmest Warmest since: 2007 2012
Ties: 1911, 1964
Oct 2008–May 2009
8-Month
43.5°F
(6.4°C)
43.3°F
(6.3°C)
0.2°F
(0.1°C)
68th Coolest Coolest since: 2008 1978
57th Warmest Warmest since: 2007 2012
Ties: 1948, 1966
Sep 2008–May 2009
9-Month
46.1°F
(7.8°C)
45.9°F
(7.7°C)
0.2°F
(0.1°C)
68th Coolest Coolest since: 2003 1904
57th Warmest Warmest since: 2008 2012
Ties: 1903, 1916, 1965, 2010, 2011, 2013, 2019
Aug 2008–May 2009
10-Month
48.8°F
(9.3°C)
48.8°F
(9.3°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 2003 1904
71st Warmest Warmest since: 2008 2012
Ties: 1900, 1913
Jul 2008–May 2009
11-Month
51.2°F
(10.7°C)
51.4°F
(10.8°C)
-0.2°F
(-0.1°C)
48th Coolest Coolest since: 2001 1904
77th Warmest Warmest since: 2008 2012
Ties: 1900, 1944, 1961, 1966
Jun 2008–May 2009
12-Month
53.1°F
(11.7°C)
53.1°F
(11.7°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 2001 1904
67th Warmest Warmest since: 2008 2012
Ties: 1900, 1944, 1986
Dec 2007–May 2009
18-Month
48.8°F
(9.3°C)
49.1°F
(9.5°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 1997 1979
82nd Warmest Warmest since: 2008 2017
Ties: 1919, 1926, 1941, 1959, 1996
Jun 2007–May 2009
24-Month
53.4°F
(11.9°C)
53.1°F
(11.7°C)
0.3°F
(0.2°C)
75th Coolest Coolest since: 1998 1905
49th Warmest Warmest since: 2008 2017
Ties: 1945, 1958, 1975, 1976, 1990
Jun 2006–May 2009
36-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
90th Coolest Coolest since: 2005 1979
33rd Warmest Warmest since: 2008 2018
Ties: 1976, 1988, 2005
Jun 2005–May 2009
48-Month
54.3°F
(12.4°C)
53.1°F
(11.7°C)
1.2°F
(0.7°C)
109th Coolest Coolest since: 2006 1980
13th Warmest Warmest since: 2008 2019
Ties: 2000, 2006, 2012
Jun 2004–May 2009
60-Month
54.2°F
(12.3°C)
53.1°F
(11.7°C)
1.1°F
(0.6°C)
110th Coolest Coolest since: 2005 1906, 1907, 1908
11th Warmest Warmest since: 2008 1957
Ties: 2012, 2013

Citing This Page

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