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 9. Southeast

Average Temperature Rankings, May 1991

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1991
1-Month
70.9°F
(21.6°C)
65.0°F
(18.3°C)
5.9°F
(3.3°C)
122nd Coolest Coolest since: 1990 1924
4th Warmest Warmest since: 1962 2018
Ties: 1896
Apr–May 1991
2-Month
65.0°F
(18.3°C)
60.2°F
(15.7°C)
4.8°F
(2.6°C)
124th Coolest Coolest since: 1990 1907
2nd Warmest Warmest since: 1896 1896
Mar–May 1991
3-Month
59.4°F
(15.2°C)
55.0°F
(12.8°C)
4.4°F
(2.4°C)
123rd Coolest Coolest since: 1990 1960
3rd Warmest Warmest since: 1977 2012
Feb–May 1991
4-Month
54.3°F
(12.4°C)
50.0°F
(10.0°C)
4.3°F
(2.4°C)
122nd Coolest Coolest since: 1990 1978
4th Warmest Warmest since: 1938 2012
Jan–May 1991
5-Month
49.4°F
(9.7°C)
46.3°F
(7.9°C)
3.1°F
(1.8°C)
118th Coolest Coolest since: 1990 1978
8th Warmest Warmest since: 1946 2012
Ties: 2000
Dec 1990–May 1991
6-Month
47.3°F
(8.5°C)
44.4°F
(6.9°C)
2.9°F
(1.6°C)
117th Coolest Coolest since: 1990 1978
8th Warmest Warmest since: 1938 2012
Ties: 1938
Nov 1990–May 1991
7-Month
47.7°F
(8.7°C)
44.4°F
(6.9°C)
3.3°F
(1.8°C)
119th Coolest Coolest since: 1990 1978
6th Warmest Warmest since: 1932 2012
Oct 1990–May 1991
8-Month
48.6°F
(9.2°C)
46.0°F
(7.8°C)
2.6°F
(1.4°C)
118th Coolest Coolest since: 1990 1978
7th Warmest Warmest since: 1932 2012
Ties: 2002
Sep 1990–May 1991
9-Month
51.0°F
(10.6°C)
48.6°F
(9.2°C)
2.4°F
(1.4°C)
116th Coolest Coolest since: 1990 1978
9th Warmest Warmest since: 1932 2017
Aug 1990–May 1991
10-Month
53.3°F
(11.8°C)
51.3°F
(10.7°C)
2.0°F
(1.1°C)
116th Coolest Coolest since: 1990 1978
9th Warmest Warmest since: 1974 2017
Ties: 1974, 2002
Jul 1990–May 1991
11-Month
55.4°F
(13.0°C)
53.7°F
(12.1°C)
1.7°F
(0.9°C)
111th Coolest Coolest since: 1990 1977
14th Warmest Warmest since: 1974 2012, 2017
Ties: 1935, 1939
Jun 1990–May 1991
12-Month
57.0°F
(13.9°C)
55.5°F
(13.1°C)
1.5°F
(0.8°C)
110th Coolest Coolest since: 1990 1977
15th Warmest Warmest since: 1974 2012, 2017
Dec 1989–May 1991
18-Month
52.9°F
(11.6°C)
51.7°F
(10.9°C)
1.2°F
(0.7°C)
100th Coolest Coolest since: 1990 1979
24th Warmest Warmest since: 1974 2017
Ties: 1974
Jun 1989–May 1991
24-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
93rd Coolest Coolest since: 1990 1978
31st Warmest Warmest since: 1987 2017
Ties: 1921, 1950, 1987, 2009
Jun 1988–May 1991
36-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1990 1979
47th Warmest Warmest since: 1989 2018
Ties: 1927, 1938, 1940, 1941, 1946, 1989, 2010
Jun 1987–May 1991
48-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
80th Coolest Coolest since: 1990 1980
42nd Warmest Warmest since: 1989 2019
Ties: 1916, 1943, 1946, 1958, 1974, 1989
Jun 1986–May 1991
60-Month
55.9°F
(13.3°C)
55.4°F
(13.0°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 1990 1980, 1981
42nd Warmest Warmest since: 1958 1935
Ties: 1926

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/