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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 2017

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 2017
1-Month
66.0°F
(18.9°C)
65.1°F
(18.4°C)
0.9°F
(0.5°C)
75th Coolest Coolest since: 2016 1917, 1924
52nd Warmest Warmest since: 2015 2018
Ties: 1900, 1937, 1951
Apr–May 2017
2-Month
63.2°F
(17.3°C)
60.2°F
(15.7°C)
3.0°F
(1.6°C)
115th Coolest Coolest since: 2016 1907
12th Warmest Warmest since: 2012 1896
Mar–May 2017
3-Month
58.2°F
(14.6°C)
55.0°F
(12.8°C)
3.2°F
(1.8°C)
116th Coolest Coolest since: 2016 1960
11th Warmest Warmest since: 2012 2012
Feb–May 2017
4-Month
55.2°F
(12.9°C)
50.0°F
(10.0°C)
5.2°F
(2.9°C)
125th Coolest Coolest since: 2016 1978
2nd Warmest Warmest since: 2012 2012
Jan–May 2017
5-Month
51.7°F
(10.9°C)
46.2°F
(7.9°C)
5.5°F
(3.0°C)
125th Coolest Coolest since: 2016 1978
2nd Warmest Warmest since: 2012 2012
Dec 2016–May 2017
6-Month
48.8°F
(9.3°C)
44.3°F
(6.8°C)
4.5°F
(2.5°C)
124th Coolest Coolest since: 2016 1978
2nd Warmest Warmest since: 2012 2012
Nov 2016–May 2017
7-Month
49.0°F
(9.4°C)
44.4°F
(6.9°C)
4.6°F
(2.5°C)
124th Coolest Coolest since: 2016 1978
2nd Warmest Warmest since: 2012 2012
Oct 2016–May 2017
8-Month
50.7°F
(10.4°C)
45.9°F
(7.7°C)
4.8°F
(2.7°C)
124th Coolest Coolest since: 2016 1978
2nd Warmest Warmest since: 2012 2012
Sep 2016–May 2017
9-Month
53.1°F
(11.7°C)
48.5°F
(9.2°C)
4.6°F
(2.5°C)
124th Coolest Coolest since: 2016 1978
2nd Warmest Warmest since: 2012 2012
Aug 2016–May 2017
10-Month
55.6°F
(13.1°C)
51.3°F
(10.7°C)
4.3°F
(2.4°C)
124th Coolest Coolest since: 2016 1978
2nd Warmest Warmest since: 2012 2012
Jul 2016–May 2017
11-Month
57.8°F
(14.3°C)
53.8°F
(12.1°C)
4.0°F
(2.2°C)
124th Coolest Coolest since: 2016 1918
2nd Warmest Warmest since: 2012 2012
Jun 2016–May 2017
12-Month
59.4°F
(15.2°C)
55.3°F
(12.9°C)
4.1°F
(2.3°C)
124th Coolest Coolest since: 2016 1904, 1918
2nd Warmest Warmest since: 2012 2012
Dec 2015–May 2017
18-Month
55.7°F
(13.2°C)
51.6°F
(10.9°C)
4.1°F
(2.3°C)
124th Coolest Coolest since: 2016 1979
1st Warmest Warmest to Date 2017
Jun 2015–May 2017
24-Month
58.8°F
(14.9°C)
55.3°F
(12.9°C)
3.5°F
(2.0°C)
124th Coolest Coolest since: 2016 1905, 1978
1st Warmest Warmest to Date 2017
Jun 2014–May 2017
36-Month
57.4°F
(14.1°C)
55.3°F
(12.9°C)
2.1°F
(1.2°C)
121st Coolest Coolest since: 2016 1979
3rd Warmest Warmest since: 2013 2018
Ties: 2000, 2019
Jun 2013–May 2017
48-Month
56.5°F
(13.6°C)
55.3°F
(12.9°C)
1.2°F
(0.7°C)
104th Coolest Coolest since: 2016 1980
19th Warmest Warmest since: 2014 2019
Ties: 1933
Jun 2012–May 2017
60-Month
56.5°F
(13.6°C)
55.4°F
(13.0°C)
1.1°F
(0.6°C)
106th Coolest Coolest since: 2015 1979, 1980, 1981
16th Warmest Warmest since: 2016 2020
Ties: 1956, 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published March 2021, retrieved on March 9, 2021 from https://www.ncdc.noaa.gov/cag/