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 2010

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2010
1-Month
64.3°F
(17.9°C)
62.1°F
(16.7°C)
2.2°F
(1.2°C)
93rd Coolest Coolest since: 2009 1917
33rd Warmest Warmest since: 2007 2018
Ties: 1912, 1949, 1955
Apr–May 2010
2-Month
61.5°F
(16.4°C)
56.8°F
(13.8°C)
4.7°F
(2.6°C)
122nd Coolest Coolest since: 2009 1907
4th Warmest Warmest since: 1991 1896
Mar–May 2010
3-Month
55.6°F
(13.1°C)
51.1°F
(10.6°C)
4.5°F
(2.5°C)
122nd Coolest Coolest since: 2009 1960
4th Warmest Warmest since: 1991 2012
Ties: 1921
Feb–May 2010
4-Month
48.1°F
(8.9°C)
45.6°F
(7.6°C)
2.5°F
(1.3°C)
109th Coolest Coolest since: 2009 1978
17th Warmest Warmest since: 2004 2012
Jan–May 2010
5-Month
42.8°F
(6.0°C)
41.6°F
(5.3°C)
1.2°F
(0.7°C)
88th Coolest Coolest since: 2009 1978, 1979
38th Warmest Warmest since: 2007 2012
Ties: 1930, 1931
Dec 2009–May 2010
6-Month
40.5°F
(4.7°C)
39.6°F
(4.2°C)
0.9°F
(0.5°C)
81st Coolest Coolest since: 2009 1978
44th Warmest Warmest since: 2007 2012
Ties: 1930, 1957, 1973
Nov 2009–May 2010
7-Month
41.5°F
(5.3°C)
39.8°F
(4.3°C)
1.7°F
(1.0°C)
101st Coolest Coolest since: 2009 1904
24th Warmest Warmest since: 2007 2012
Oct 2009–May 2010
8-Month
42.6°F
(5.9°C)
41.7°F
(5.4°C)
0.9°F
(0.5°C)
90th Coolest Coolest since: 2009 1904, 1978
35th Warmest Warmest since: 2007 2012
Ties: 1903, 1914, 1949, 1953, 1990, 2018
Sep 2009–May 2010
9-Month
45.1°F
(7.3°C)
44.3°F
(6.8°C)
0.8°F
(0.5°C)
84th Coolest Coolest since: 2009 1904
41st Warmest Warmest since: 2007 2012
Ties: 1896, 1931
Aug 2009–May 2010
10-Month
47.7°F
(8.7°C)
47.2°F
(8.4°C)
0.5°F
(0.3°C)
77th Coolest Coolest since: 2009 1904
48th Warmest Warmest since: 2008 2012
Ties: 1909, 1990
Jul 2009–May 2010
11-Month
49.8°F
(9.9°C)
49.9°F
(9.9°C)
-0.1°F
(0.0°C)
56th Coolest Coolest since: 2009 1904
69th Warmest Warmest since: 2008 2012
Ties: 1900, 1944
Jun 2009–May 2010
12-Month
51.7°F
(10.9°C)
51.7°F
(10.9°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 2009 1904
65th Warmest Warmest since: 2008 2012
Ties: 1900, 1901, 1911
Dec 2008–May 2010
18-Month
47.7°F
(8.7°C)
47.6°F
(8.7°C)
0.1°F
(0.0°C)
65th Coolest Coolest since: 2009 1979
59th Warmest Warmest since: 2008 2017
Ties: 1897, 1920, 1946
Jun 2008–May 2010
24-Month
51.7°F
(10.9°C)
51.7°F
(10.9°C)
0.0°F
(0.0°C)
65th Coolest Coolest since: 1997 1905
59th Warmest Warmest since: 2009 2017
Ties: 1901, 1941, 1958, 1981, 1996
Jun 2007–May 2010
36-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
75th Coolest Coolest since: 1998 1979
48th Warmest Warmest since: 2009 2018
Ties: 1916, 1937, 1946, 1949, 1985, 2011
Jun 2006–May 2010
48-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
86th Coolest Coolest since: 1999 1980
36th Warmest Warmest since: 2009 2019
Ties: 1937, 1944, 1958, 1987, 1999, 2015
Jun 2005–May 2010
60-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
103rd Coolest Coolest since: 2005 1906, 1907, 1908, 1981
18th Warmest Warmest since: 2009 2002
Ties: 1936, 1956, 2000, 2017, 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/