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 2012

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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2012
1-Month
68.1°F
(20.1°C)
62.1°F
(16.7°C)
6.0°F
(3.4°C)
119th Coolest Coolest since: 2011 1917
7th Warmest Warmest since: 1991 2018
Apr–May 2012
2-Month
61.4°F
(16.3°C)
56.9°F
(13.8°C)
4.5°F
(2.5°C)
121st Coolest Coolest since: 2011 1907
5th Warmest Warmest since: 2010 1896
Mar–May 2012
3-Month
59.4°F
(15.2°C)
51.1°F
(10.6°C)
8.3°F
(4.6°C)
125th Coolest Coolest since: 2011 1960
1st Warmest Warmest to Date 2012
Feb–May 2012
4-Month
53.5°F
(11.9°C)
45.7°F
(7.6°C)
7.8°F
(4.3°C)
125th Coolest Coolest since: 2011 1978
1st Warmest Warmest to Date 2012
Jan–May 2012
5-Month
49.2°F
(9.6°C)
41.6°F
(5.3°C)
7.6°F
(4.3°C)
125th Coolest Coolest since: 2011 1978, 1979
1st Warmest Warmest to Date 2012
Dec 2011–May 2012
6-Month
47.0°F
(8.3°C)
39.6°F
(4.2°C)
7.4°F
(4.1°C)
124th Coolest Coolest since: 2011 1978
1st Warmest Warmest to Date 2012
Nov 2011–May 2012
7-Month
46.8°F
(8.2°C)
39.8°F
(4.3°C)
7.0°F
(3.9°C)
124th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Oct 2011–May 2012
8-Month
47.8°F
(8.8°C)
41.6°F
(5.3°C)
6.2°F
(3.5°C)
124th Coolest Coolest since: 2011 1904, 1978
1st Warmest Warmest to Date 2012
Sep 2011–May 2012
9-Month
49.6°F
(9.8°C)
44.4°F
(6.9°C)
5.2°F
(2.9°C)
124th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Aug 2011–May 2012
10-Month
52.1°F
(11.2°C)
47.2°F
(8.4°C)
4.9°F
(2.8°C)
124th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Jul 2011–May 2012
11-Month
54.6°F
(12.6°C)
49.8°F
(9.9°C)
4.8°F
(2.7°C)
124th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Jun 2011–May 2012
12-Month
56.2°F
(13.4°C)
51.7°F
(10.9°C)
4.5°F
(2.5°C)
124th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Dec 2010–May 2012
18-Month
50.4°F
(10.2°C)
47.6°F
(8.7°C)
2.8°F
(1.5°C)
120th Coolest Coolest since: 2011 1979
4th Warmest Warmest since: 1999 2017
Ties: 1932
Jun 2010–May 2012
24-Month
54.4°F
(12.4°C)
51.7°F
(10.9°C)
2.7°F
(1.5°C)
122nd Coolest Coolest since: 2011 1905
2nd Warmest Warmest to Date 2017
Ties: 2013
Jun 2009–May 2012
36-Month
53.5°F
(11.9°C)
51.6°F
(10.9°C)
1.9°F
(1.0°C)
118th Coolest Coolest since: 2011 1979
5th Warmest Warmest since: 2000 2018
Ties: 1934
Jun 2008–May 2012
48-Month
53.0°F
(11.7°C)
51.6°F
(10.9°C)
1.4°F
(0.8°C)
112th Coolest Coolest since: 2011 1980
10th Warmest Warmest since: 2008 2019
Ties: 1956, 1957, 2000, 2006
Jun 2007–May 2012
60-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
113th Coolest Coolest since: 2011 1906, 1907, 1908, 1981
8th Warmest Warmest since: 2008 2002
Ties: 1957, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/