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 2015

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2015
1-Month
66.2°F
(19.0°C)
63.5°F
(17.5°C)
2.7°F
(1.5°C)
102nd Coolest Coolest since: 2014 1924
24th Warmest Warmest since: 2012 2018
Ties: 1939, 1975
Apr–May 2015
2-Month
61.1°F
(16.2°C)
58.2°F
(14.6°C)
2.9°F
(1.6°C)
109th Coolest Coolest since: 2014 1907
17th Warmest Warmest since: 2012 1896
Mar–May 2015
3-Month
54.1°F
(12.3°C)
52.7°F
(11.5°C)
1.4°F
(0.8°C)
92nd Coolest Coolest since: 2014 1960
34th Warmest Warmest since: 2012 2012
Ties: 1908, 1936, 1976, 2009
Feb–May 2015
4-Month
46.1°F
(7.8°C)
47.4°F
(8.6°C)
-1.3°F
(-0.8°C)
36th Coolest Coolest since: 2014 1978
90th Warmest Warmest since: 2012 2012
Ties: 1897, 1937, 1975
Jan–May 2015
5-Month
42.5°F
(5.8°C)
43.3°F
(6.3°C)
-0.8°F
(-0.5°C)
40th Coolest Coolest since: 2014 1978
86th Warmest Warmest since: 2013 2012
Ties: 1926, 1951
Dec 2014–May 2015
6-Month
41.3°F
(5.2°C)
41.3°F
(5.2°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 2014 1978
65th Warmest Warmest since: 2013 2012
Ties: 1935, 1956, 1989
Nov 2014–May 2015
7-Month
40.5°F
(4.7°C)
41.4°F
(5.2°C)
-0.9°F
(-0.5°C)
29th Coolest Coolest since: 2014 1904
96th Warmest Warmest since: 2013 2012
Ties: 1993
Oct 2014–May 2015
8-Month
42.4°F
(5.8°C)
43.2°F
(6.2°C)
-0.8°F
(-0.4°C)
30th Coolest Coolest since: 2014 1978
95th Warmest Warmest since: 2013 2012
Ties: 1897, 1907, 1963
Sep 2014–May 2015
9-Month
45.0°F
(7.2°C)
45.9°F
(7.7°C)
-0.9°F
(-0.5°C)
31st Coolest Coolest since: 2014 1904
94th Warmest Warmest since: 2013 2012
Ties: 1980
Aug 2014–May 2015
10-Month
48.0°F
(8.9°C)
48.8°F
(9.3°C)
-0.8°F
(-0.4°C)
32nd Coolest Coolest since: 2014 1904
93rd Warmest Warmest since: 2013 2012
Ties: 1975
Jul 2014–May 2015
11-Month
50.1°F
(10.1°C)
51.4°F
(10.8°C)
-1.3°F
(-0.7°C)
18th Coolest Coolest since: 2014 1904
107th Warmest Warmest since: 2013 2012
Ties: 1926, 1940
Jun 2014–May 2015
12-Month
52.1°F
(11.2°C)
53.1°F
(11.7°C)
-1.0°F
(-0.5°C)
18th Coolest Coolest since: 2014 1904
107th Warmest Warmest since: 2013 2012
Ties: 1916, 1917, 1929, 1940, 1996
Dec 2013–May 2015
18-Month
47.4°F
(8.6°C)
49.2°F
(9.6°C)
-1.8°F
(-1.0°C)
7th Coolest Coolest since: 1980 1979
117th Warmest Warmest since: 2014 2017
Jun 2013–May 2015
24-Month
51.6°F
(10.9°C)
53.1°F
(11.7°C)
-1.5°F
(-0.8°C)
6th Coolest Coolest since: 1979 1905
118th Warmest Warmest since: 2014 2017
Jun 2012–May 2015
36-Month
52.4°F
(11.3°C)
53.1°F
(11.7°C)
-0.7°F
(-0.4°C)
17th Coolest Coolest since: 1980 1979
106th Warmest Warmest since: 2014 2018
Ties: 1926, 1930, 1952
Jun 2011–May 2015
48-Month
53.6°F
(12.0°C)
53.0°F
(11.7°C)
0.6°F
(0.3°C)
82nd Coolest Coolest since: 2011 1980
40th Warmest Warmest since: 2014 2019
Ties: 1938, 1945, 1987
Jun 2010–May 2015
60-Month
53.7°F
(12.1°C)
53.1°F
(11.7°C)
0.6°F
(0.4°C)
86th Coolest Coolest since: 2011 1906, 1907, 1908
35th Warmest Warmest since: 2014 1957
Ties: 1925, 1933, 1945, 1976, 1990, 1993, 2005

Citing This Page

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