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 2018

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2018
1-Month
72.7°F
(22.6°C)
63.5°F
(17.5°C)
9.2°F
(5.1°C)
125th Coolest Coolest since: 2017 1924
1st Warmest Warmest to Date 2018
Apr–May 2018
2-Month
59.7°F
(15.4°C)
58.3°F
(14.6°C)
1.4°F
(0.8°C)
94th Coolest Coolest since: 2016 1907
32nd Warmest Warmest since: 2017 1896
Ties: 1895, 1915, 1948, 2000
Mar–May 2018
3-Month
53.4°F
(11.9°C)
52.7°F
(11.5°C)
0.7°F
(0.4°C)
76th Coolest Coolest since: 2014 1960
50th Warmest Warmest since: 2017 2012
Ties: 1939, 1948, 1972, 1992, 1999
Feb–May 2018
4-Month
48.6°F
(9.2°C)
47.3°F
(8.5°C)
1.3°F
(0.7°C)
85th Coolest Coolest since: 2015 1978
41st Warmest Warmest since: 2017 2012
Ties: 1962
Jan–May 2018
5-Month
44.1°F
(6.7°C)
43.3°F
(6.3°C)
0.8°F
(0.4°C)
81st Coolest Coolest since: 2015 1978
45th Warmest Warmest since: 2017 2012
Ties: 1898, 1922, 1949
Dec 2017–May 2018
6-Month
42.0°F
(5.6°C)
41.2°F
(5.1°C)
0.8°F
(0.5°C)
76th Coolest Coolest since: 2015 1978
49th Warmest Warmest since: 2017 2012
Nov 2017–May 2018
7-Month
42.4°F
(5.8°C)
41.5°F
(5.3°C)
0.9°F
(0.5°C)
88th Coolest Coolest since: 2015 1904
37th Warmest Warmest since: 2017 2012
Ties: 1908, 1922, 1957
Oct 2017–May 2018
8-Month
44.4°F
(6.9°C)
43.2°F
(6.2°C)
1.2°F
(0.7°C)
95th Coolest Coolest since: 2015 1978
30th Warmest Warmest since: 2017 2012
Ties: 1925, 1950, 1953, 1983, 1985
Sep 2017–May 2018
9-Month
47.3°F
(8.5°C)
46.0°F
(7.8°C)
1.3°F
(0.7°C)
101st Coolest Coolest since: 2015 1904
24th Warmest Warmest since: 2017 2012
Ties: 1957
Aug 2017–May 2018
10-Month
49.7°F
(9.8°C)
48.8°F
(9.3°C)
0.9°F
(0.5°C)
90th Coolest Coolest since: 2015 1904
35th Warmest Warmest since: 2017 2012
Ties: 1898, 1985, 1995
Jul 2017–May 2018
11-Month
52.2°F
(11.2°C)
51.3°F
(10.7°C)
0.9°F
(0.5°C)
90th Coolest Coolest since: 2015 1904
35th Warmest Warmest since: 2017 2012
Ties: 1898, 1946, 1953, 1964
Jun 2017–May 2018
12-Month
54.0°F
(12.2°C)
53.1°F
(11.7°C)
0.9°F
(0.5°C)
94th Coolest Coolest since: 2015 1904
31st Warmest Warmest since: 2017 2012
Ties: 1919, 1938, 1941, 1964
Dec 2016–May 2018
18-Month
51.2°F
(10.7°C)
49.2°F
(9.6°C)
2.0°F
(1.1°C)
111th Coolest Coolest since: 2016 1979
13th Warmest Warmest since: 2017 2017
Jun 2016–May 2018
24-Month
55.6°F
(13.1°C)
53.2°F
(11.8°C)
2.4°F
(1.3°C)
120th Coolest Coolest since: 2016 1905
4th Warmest Warmest since: 2017 2017
Ties: 1955
Jun 2015–May 2018
36-Month
55.7°F
(13.2°C)
53.1°F
(11.7°C)
2.6°F
(1.5°C)
122nd Coolest Coolest since: 2017 1979
1st Warmest Warmest to Date 2018
Jun 2014–May 2018
48-Month
54.8°F
(12.7°C)
53.1°F
(11.7°C)
1.7°F
(1.0°C)
120th Coolest Coolest since: 2017 1980
2nd Warmest Warmest since: 1956 2019
Ties: 1935, 1956
Jun 2013–May 2018
60-Month
54.1°F
(12.3°C)
53.1°F
(11.7°C)
1.0°F
(0.6°C)
107th Coolest Coolest since: 2017 1906, 1907, 1908
14th Warmest Warmest since: 2016 1957
Ties: 1934, 1936, 1991, 1992, 2004, 2016

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/