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 March 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 2012

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 2012
1-Month
71.2°F
(21.8°C)
65.1°F
(18.4°C)
6.1°F
(3.4°C)
123rd Coolest Coolest since: 2011 1917, 1924
4th Warmest Warmest since: 1987 2018
Apr–May 2012
2-Month
65.1°F
(18.4°C)
60.2°F
(15.7°C)
4.9°F
(2.7°C)
125th Coolest Coolest since: 2011 1907
2nd Warmest Warmest since: 1977 1896
Ties: 1977
Mar–May 2012
3-Month
63.2°F
(17.3°C)
55.0°F
(12.8°C)
8.2°F
(4.5°C)
126th Coolest Coolest since: 2011 1960
1st Warmest Warmest to Date 2012
Feb–May 2012
4-Month
57.6°F
(14.2°C)
49.9°F
(9.9°C)
7.7°F
(4.3°C)
126th Coolest Coolest since: 2011 1978
1st Warmest Warmest to Date 2012
Jan–May 2012
5-Month
53.5°F
(11.9°C)
46.1°F
(7.8°C)
7.4°F
(4.1°C)
126th Coolest Coolest since: 2011 1978
1st Warmest Warmest to Date 2012
Dec 2011–May 2012
6-Month
51.2°F
(10.7°C)
44.2°F
(6.8°C)
7.0°F
(3.9°C)
125th Coolest Coolest since: 2011 1978
1st Warmest Warmest to Date 2012
Nov 2011–May 2012
7-Month
50.9°F
(10.5°C)
44.3°F
(6.8°C)
6.6°F
(3.7°C)
125th Coolest Coolest since: 2011 1978
1st Warmest Warmest to Date 2012
Oct 2011–May 2012
8-Month
51.8°F
(11.0°C)
46.0°F
(7.8°C)
5.8°F
(3.2°C)
125th Coolest Coolest since: 2011 1978
1st Warmest Warmest to Date 2012
Sep 2011–May 2012
9-Month
53.4°F
(11.9°C)
48.5°F
(9.2°C)
4.9°F
(2.7°C)
125th Coolest Coolest since: 2011 1978
1st Warmest Warmest to Date 2012
Aug 2011–May 2012
10-Month
55.8°F
(13.2°C)
51.2°F
(10.7°C)
4.6°F
(2.5°C)
125th Coolest Coolest since: 2011 1978
1st Warmest Warmest to Date 2012
Jul 2011–May 2012
11-Month
58.3°F
(14.6°C)
53.7°F
(12.1°C)
4.6°F
(2.5°C)
125th Coolest Coolest since: 2011 1918
1st Warmest Warmest to Date 2012
Jun 2011–May 2012
12-Month
59.8°F
(15.4°C)
55.4°F
(13.0°C)
4.4°F
(2.4°C)
125th Coolest Coolest since: 2011 1904, 1918
1st Warmest Warmest to Date 2012
Dec 2010–May 2012
18-Month
54.6°F
(12.6°C)
51.7°F
(10.9°C)
2.9°F
(1.7°C)
123rd Coolest Coolest since: 2011 1979
2nd Warmest Warmest to Date 2017
Ties: 2013
Jun 2010–May 2012
24-Month
58.2°F
(14.6°C)
55.4°F
(13.0°C)
2.8°F
(1.6°C)
123rd Coolest Coolest since: 2011 1905, 1978
2nd Warmest Warmest to Date 2017
Jun 2009–May 2012
36-Month
57.2°F
(14.0°C)
55.3°F
(12.9°C)
1.9°F
(1.1°C)
116th Coolest Coolest since: 2011 1979
8th Warmest Warmest since: 2000 2018
Jun 2008–May 2012
48-Month
56.8°F
(13.8°C)
55.3°F
(12.9°C)
1.5°F
(0.9°C)
115th Coolest Coolest since: 2011 1980
8th Warmest Warmest since: 2008 2019
Ties: 1956, 1957, 2002, 2008
Jun 2007–May 2012
60-Month
56.7°F
(13.7°C)
55.3°F
(12.9°C)
1.4°F
(0.8°C)
115th Coolest Coolest since: 2011 1979, 1980, 1981
7th Warmest Warmest since: 2008 2020
Ties: 2006, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published April 2021, retrieved on April 12, 2021 from https://www.ncdc.noaa.gov/cag/