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 2011

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2011
1-Month
62.1°F
(16.7°C)
62.1°F
(16.7°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 2008 1917
68th Warmest Warmest since: 2010 2018
Apr–May 2011
2-Month
57.6°F
(14.2°C)
56.8°F
(13.8°C)
0.8°F
(0.4°C)
75th Coolest Coolest since: 2009 1907
51st Warmest Warmest since: 2010 1896
Ties: 1974, 2019
Mar–May 2011
3-Month
52.3°F
(11.3°C)
51.2°F
(10.7°C)
1.1°F
(0.6°C)
83rd Coolest Coolest since: 2008 1960
43rd Warmest Warmest since: 2010 2012
Ties: 1973
Feb–May 2011
4-Month
46.8°F
(8.2°C)
45.7°F
(7.6°C)
1.1°F
(0.6°C)
86th Coolest Coolest since: 2008 1978
40th Warmest Warmest since: 2010 2012
Ties: 1942, 1959
Jan–May 2011
5-Month
41.9°F
(5.5°C)
41.6°F
(5.3°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 2008 1978, 1979
56th Warmest Warmest since: 2010 2012
Ties: 1967, 1983
Dec 2010–May 2011
6-Month
39.0°F
(3.9°C)
39.6°F
(4.2°C)
-0.6°F
(-0.3°C)
42nd Coolest Coolest since: 2008 1978
83rd Warmest Warmest since: 2010 2012
Ties: 1965, 1977, 2001
Nov 2010–May 2011
7-Month
39.6°F
(4.2°C)
39.7°F
(4.3°C)
-0.1°F
(-0.1°C)
52nd Coolest Coolest since: 2008 1904
73rd Warmest Warmest since: 2010 2012
Ties: 1952, 2003, 2019
Oct 2010–May 2011
8-Month
41.7°F
(5.4°C)
41.6°F
(5.3°C)
0.1°F
(0.1°C)
65th Coolest Coolest since: 2009 1904, 1978
60th Warmest Warmest since: 2010 2012
Ties: 1945, 1966, 1975
Sep 2010–May 2011
9-Month
44.6°F
(7.0°C)
44.4°F
(6.9°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 2009 1904
55th Warmest Warmest since: 2010 2012
Ties: 1923, 1988, 2019
Aug 2010–May 2011
10-Month
47.8°F
(8.8°C)
47.3°F
(8.5°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 2010 1904
45th Warmest Warmest since: 2008 2012
Ties: 1935, 1937
Jul 2010–May 2011
11-Month
50.5°F
(10.3°C)
49.8°F
(9.9°C)
0.7°F
(0.4°C)
85th Coolest Coolest since: 2010 1904
40th Warmest Warmest since: 2008 2012
Ties: 1948, 1964, 1983, 1985, 2008, 2018
Jun 2010–May 2011
12-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
89th Coolest Coolest since: 2010 1904
36th Warmest Warmest since: 2007 2012
Ties: 1919, 1938, 1985
Dec 2009–May 2011
18-Month
48.5°F
(9.2°C)
47.6°F
(8.7°C)
0.9°F
(0.5°C)
91st Coolest Coolest since: 2010 1979
33rd Warmest Warmest since: 2008 2017
Ties: 1914, 1950, 2004
Jun 2009–May 2011
24-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
84th Coolest Coolest since: 2010 1905
40th Warmest Warmest since: 2008 2017
Ties: 1914, 1974, 1990
Jun 2008–May 2011
36-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
75th Coolest Coolest since: 2010 1979
48th Warmest Warmest since: 2010 2018
Ties: 1916, 1937, 1946, 1949, 1985, 2010
Jun 2007–May 2011
48-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 1998 1980
43rd Warmest Warmest since: 2010 2019
Ties: 1939, 1945
Jun 2006–May 2011
60-Month
52.2°F
(11.2°C)
51.5°F
(10.8°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 1998 1906, 1907, 1908, 1981
38th Warmest Warmest since: 2010 2002
Ties: 1924, 1932, 1938, 1943, 1945, 1955, 1976, 1988

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/