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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1990

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1990
1-Month
62.1°F
(16.7°C)
65.1°F
(18.4°C)
-3.0°F
(-1.7°C)
21st Coolest Coolest since: 1984 1917, 1924
106th Warmest Warmest since: 1989 2018
Ties: 1984
Apr–May 1990
2-Month
57.9°F
(14.4°C)
60.2°F
(15.7°C)
-2.3°F
(-1.3°C)
15th Coolest Coolest since: 1984 1907
112th Warmest Warmest since: 1989 1896
Ties: 1928
Mar–May 1990
3-Month
54.8°F
(12.7°C)
55.0°F
(12.8°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest since: 1989 1960
74th Warmest Warmest since: 1988 2012
Ties: 1944
Feb–May 1990
4-Month
51.4°F
(10.8°C)
50.0°F
(10.0°C)
1.4°F
(0.8°C)
89th Coolest Coolest since: 1989 1978
38th Warmest Warmest since: 1987 2012
Ties: 1908, 2018
Jan–May 1990
5-Month
49.3°F
(9.6°C)
46.2°F
(7.9°C)
3.1°F
(1.7°C)
117th Coolest Coolest since: 1989 1978
10th Warmest Warmest since: 1946 2012
Dec 1989–May 1990
6-Month
45.0°F
(7.2°C)
44.3°F
(6.8°C)
0.7°F
(0.4°C)
78th Coolest Coolest since: 1989 1978
48th Warmest Warmest since: 1987 2012
Ties: 1981
Nov 1989–May 1990
7-Month
45.0°F
(7.2°C)
44.3°F
(6.8°C)
0.7°F
(0.4°C)
80th Coolest Coolest since: 1989 1978
46th Warmest Warmest since: 1988 2012
Ties: 1941, 1983, 1988, 2018, 2019
Oct 1989–May 1990
8-Month
46.8°F
(8.2°C)
46.0°F
(7.8°C)
0.8°F
(0.4°C)
85th Coolest Coolest since: 1989 1978
41st Warmest Warmest since: 1987 2012
Ties: 1898
Sep 1989–May 1990
9-Month
48.9°F
(9.4°C)
48.6°F
(9.2°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1989 1978
52nd Warmest Warmest since: 1987 2012
Ties: 1903, 1908, 1967, 1981, 1985, 2009, 2010, 2011
Aug 1989–May 1990
10-Month
51.6°F
(10.9°C)
51.3°F
(10.7°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1989 1978
54th Warmest Warmest since: 1987 2012
Ties: 1931, 1950, 1985, 2013
Jul 1989–May 1990
11-Month
53.9°F
(12.2°C)
53.8°F
(12.1°C)
0.1°F
(0.1°C)
66th Coolest Coolest since: 1989 1918
60th Warmest Warmest since: 1989 2012
Ties: 1903, 1911, 1988, 1989, 2003
Jun 1989–May 1990
12-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1984 1904, 1918
69th Warmest Warmest since: 1989 2012
Ties: 1956, 1965
Dec 1988–May 1990
18-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
69th Coolest Coolest since: 1985 1979
56th Warmest Warmest since: 1989 2017
Ties: 1910, 1920, 1926, 1949, 1981, 2010
Jun 1988–May 1990
24-Month
55.5°F
(13.1°C)
55.4°F
(13.0°C)
0.1°F
(0.1°C)
71st Coolest Coolest since: 1985 1905, 1978
54th Warmest Warmest since: 1989 2017
Ties: 1898, 1901, 1909, 1910, 1936, 1944, 1947, 1993, 1995, 2010
Jun 1987–May 1990
36-Month
55.6°F
(13.1°C)
55.4°F
(13.0°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 1986 1979
53rd Warmest Warmest since: 1989 2018
Ties: 1898, 1938, 2016
Jun 1986–May 1990
48-Month
55.9°F
(13.3°C)
55.4°F
(13.0°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 1987 1980
41st Warmest Warmest since: 1989 2019
Ties: 1936, 1941, 1945, 1958, 1993
Jun 1985–May 1990
60-Month
55.9°F
(13.3°C)
55.4°F
(13.0°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 1989 1979, 1980, 1981
40th Warmest Warmest since: 1989 2020
Ties: 1945, 1946, 1989, 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on March 8, 2021 from https://www.ncdc.noaa.gov/cag/