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 2019

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2019
1-Month
62.5°F
(16.9°C)
62.1°F
(16.7°C)
0.4°F
(0.2°C)
65th Coolest Coolest since: 2017 1917
61st Warmest Warmest since: 2018 2018
Ties: 1905, 1908
Apr–May 2019
2-Month
57.6°F
(14.2°C)
56.9°F
(13.8°C)
0.7°F
(0.4°C)
75th Coolest Coolest since: 2016 1907
51st Warmest Warmest since: 2018 1896
Ties: 1974, 2011
Mar–May 2019
3-Month
50.8°F
(10.4°C)
51.1°F
(10.6°C)
-0.3°F
(-0.2°C)
52nd Coolest Coolest since: 2014 1960
74th Warmest Warmest since: 2018 2012
Ties: 1919, 1953
Feb–May 2019
4-Month
45.4°F
(7.4°C)
45.6°F
(7.6°C)
-0.2°F
(-0.2°C)
54th Coolest Coolest since: 2015 1978
72nd Warmest Warmest since: 2018 2012
Ties: 1928, 1933, 1963, 1997
Jan–May 2019
5-Month
41.4°F
(5.2°C)
41.6°F
(5.3°C)
-0.2°F
(-0.1°C)
56th Coolest Coolest since: 2015 1978, 1979
70th Warmest Warmest since: 2018 2012
Ties: 1975
Dec 2018–May 2019
6-Month
40.3°F
(4.6°C)
39.6°F
(4.2°C)
0.7°F
(0.4°C)
76th Coolest Coolest since: 2018 1978
49th Warmest Warmest since: 2017 2012
Ties: 1914
Nov 2018–May 2019
7-Month
39.6°F
(4.2°C)
39.8°F
(4.3°C)
-0.2°F
(-0.1°C)
52nd Coolest Coolest since: 2015 1904
73rd Warmest Warmest since: 2018 2012
Ties: 1952, 2003, 2011
Oct 2018–May 2019
8-Month
41.4°F
(5.2°C)
41.6°F
(5.3°C)
-0.2°F
(-0.1°C)
48th Coolest Coolest since: 2015 1904, 1978
77th Warmest Warmest since: 2018 2012
Ties: 1915, 1959
Sep 2018–May 2019
9-Month
44.6°F
(7.0°C)
44.3°F
(6.8°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 2015 1904
55th Warmest Warmest since: 2018 2012
Ties: 1923, 1988, 2011
Aug 2018–May 2019
10-Month
47.6°F
(8.7°C)
47.2°F
(8.4°C)
0.4°F
(0.3°C)
74th Coolest Coolest since: 2015 1904
51st Warmest Warmest since: 2018 2012
Ties: 1923, 1925, 1986, 1988, 1989, 2013
Jul 2018–May 2019
11-Month
50.1°F
(10.1°C)
49.8°F
(9.9°C)
0.3°F
(0.2°C)
69th Coolest Coolest since: 2015 1904
56th Warmest Warmest since: 2018 2012
Ties: 1911, 1933
Jun 2018–May 2019
12-Month
52.2°F
(11.2°C)
51.7°F
(10.9°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 2015 1904
46th Warmest Warmest since: 2018 2012
Ties: 1896, 1950, 1989
Dec 2017–May 2019
18-Month
48.1°F
(8.9°C)
47.6°F
(8.7°C)
0.5°F
(0.2°C)
80th Coolest Coolest since: 2015 1979
44th Warmest Warmest since: 2018 2017
Ties: 1921, 1938, 1949
Jun 2017–May 2019
24-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 2015 1905
33rd Warmest Warmest since: 2018 2017
Ties: 1921, 1950, 1989
Jun 2016–May 2019
36-Month
53.4°F
(11.9°C)
51.6°F
(10.9°C)
1.8°F
(1.0°C)
116th Coolest Coolest since: 2016 1979
7th Warmest Warmest since: 2018 2018
Ties: 1955, 2006, 2007
Jun 2015–May 2019
48-Month
53.7°F
(12.1°C)
51.6°F
(10.9°C)
2.1°F
(1.2°C)
121st Coolest Coolest since: 2018 1980
1st Warmest Warmest to Date 2019
Jun 2014–May 2019
60-Month
53.1°F
(11.7°C)
51.6°F
(10.9°C)
1.5°F
(0.8°C)
117th Coolest Coolest since: 2018 1906, 1907, 1908, 1981
4th Warmest Warmest since: 2008 2002
Ties: 2003, 2008

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/