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 1. Northwest

Average Temperature Rankings, May 2011

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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2011
1-Month
60.0°F
(15.6°C)
59.7°F
(15.4°C)
0.3°F
(0.2°C)
64th Coolest Coolest since: 2008 1907
62nd Warmest Warmest since: 2010 1977
Ties: 1969
Apr–May 2011
2-Month
54.2°F
(12.3°C)
54.1°F
(12.3°C)
0.1°F
(0.0°C)
60th Coolest Coolest since: 2008 1907
66th Warmest Warmest since: 2010 1977
Ties: 1974, 2003, 2013
Mar–May 2011
3-Month
48.5°F
(9.2°C)
47.8°F
(8.8°C)
0.7°F
(0.4°C)
73rd Coolest Coolest since: 2008 1960
53rd Warmest Warmest since: 2010 2012
Ties: 1992
Feb–May 2011
4-Month
42.6°F
(5.9°C)
41.9°F
(5.5°C)
0.7°F
(0.4°C)
80th Coolest Coolest since: 2008 1947
46th Warmest Warmest since: 2010 2012
Ties: 1910, 1928, 1988
Jan–May 2011
5-Month
37.7°F
(3.2°C)
37.5°F
(3.1°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 2009 1912
56th Warmest Warmest since: 2010 2012
Ties: 1910, 1915, 1956, 2009, 2018
Dec 2010–May 2011
6-Month
34.6°F
(1.4°C)
35.4°F
(1.9°C)
-0.8°F
(-0.5°C)
38th Coolest Coolest since: 2008 1979
87th Warmest Warmest since: 2010 2012
Ties: 1907, 1924
Nov 2010–May 2011
7-Month
35.5°F
(1.9°C)
35.7°F
(2.1°C)
-0.2°F
(-0.2°C)
56th Coolest Coolest since: 2009 1904
69th Warmest Warmest since: 2010 2012
Ties: 1961, 1980
Oct 2010–May 2011
8-Month
37.8°F
(3.2°C)
37.7°F
(3.2°C)
0.1°F
(0.0°C)
66th Coolest Coolest since: 2009 1912
59th Warmest Warmest since: 2010 2012
Ties: 1913, 1968
Sep 2010–May 2011
9-Month
40.8°F
(4.9°C)
40.6°F
(4.8°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 2009 1904
55th Warmest Warmest since: 2010 2012
Ties: 1935, 1961, 2008
Aug 2010–May 2011
10-Month
44.2°F
(6.8°C)
43.7°F
(6.5°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 2009 1904
43rd Warmest Warmest since: 2010 2012
Ties: 1989, 2008
Jul 2010–May 2011
11-Month
47.0°F
(8.3°C)
46.3°F
(7.9°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 2010 1904
41st Warmest Warmest since: 2007 2012
Ties: 1898, 1988, 2003
Jun 2010–May 2011
12-Month
49.1°F
(9.5°C)
48.3°F
(9.1°C)
0.8°F
(0.4°C)
87th Coolest Coolest since: 2010 1904
38th Warmest Warmest since: 2007 2012
Ties: 1988
Dec 2009–May 2011
18-Month
45.2°F
(7.3°C)
44.0°F
(6.7°C)
1.2°F
(0.6°C)
96th Coolest Coolest since: 2010 1918
28th Warmest Warmest since: 2008 2017
Ties: 1931, 2008
Jun 2009–May 2011
24-Month
48.9°F
(9.4°C)
48.2°F
(9.0°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 2010 1905
36th Warmest Warmest since: 2008 2017
Ties: 1990
Jun 2008–May 2011
36-Month
48.6°F
(9.2°C)
48.2°F
(9.0°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 2010 1905, 1918, 1979
46th Warmest Warmest since: 2009 2000
Ties: 1915, 1944
Jun 2007–May 2011
48-Month
48.6°F
(9.2°C)
48.1°F
(8.9°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 1998 1980
43rd Warmest Warmest since: 2010 2001, 2002, 2007
Ties: 1937, 1939, 1943, 1945, 1998
Jun 2006–May 2011
60-Month
48.9°F
(9.4°C)
48.2°F
(9.0°C)
0.7°F
(0.4°C)
86th Coolest Coolest since: 1998 1907, 1908
35th Warmest Warmest since: 2010 2002
Ties: 1932, 1933, 1943, 1987, 2015

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/