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 1989

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1989
1-Month
62.2°F
(16.8°C)
65.1°F
(18.4°C)
-2.9°F
(-1.6°C)
23rd Coolest Coolest since: 1984 1917, 1924
104th Warmest Warmest since: 1988 2018
Ties: 1940
Apr–May 1989
2-Month
59.0°F
(15.0°C)
60.1°F
(15.6°C)
-1.1°F
(-0.6°C)
34th Coolest Coolest since: 1984 1907
93rd Warmest Warmest since: 1988 1896
Ties: 1919
Mar–May 1989
3-Month
54.3°F
(12.4°C)
55.0°F
(12.8°C)
-0.7°F
(-0.4°C)
45th Coolest Coolest since: 1984 1960
82nd Warmest Warmest since: 1988 2012
Feb–May 1989
4-Month
48.1°F
(8.9°C)
50.0°F
(10.0°C)
-1.9°F
(-1.1°C)
21st Coolest Coolest since: 1980 1978
106th Warmest Warmest since: 1988 2012
Jan–May 1989
5-Month
46.4°F
(8.0°C)
46.2°F
(7.9°C)
0.2°F
(0.1°C)
62nd Coolest Coolest since: 1988 1978
65th Warmest Warmest since: 1987 2012
Ties: 1931
Dec 1988–May 1989
6-Month
44.7°F
(7.1°C)
44.2°F
(6.8°C)
0.5°F
(0.3°C)
69th Coolest Coolest since: 1988 1978
57th Warmest Warmest since: 1987 2012
Nov 1988–May 1989
7-Month
44.8°F
(7.1°C)
44.3°F
(6.8°C)
0.5°F
(0.3°C)
73rd Coolest Coolest since: 1985 1978
53rd Warmest Warmest since: 1988 2012
Ties: 1933, 1965, 1981
Oct 1988–May 1989
8-Month
45.7°F
(7.6°C)
46.0°F
(7.8°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1984 1978
81st Warmest Warmest since: 1988 2012
Ties: 1913, 1962
Sep 1988–May 1989
9-Month
48.3°F
(9.1°C)
48.5°F
(9.2°C)
-0.2°F
(-0.1°C)
44th Coolest Coolest since: 1984 1978
82nd Warmest Warmest since: 1988 2012
Ties: 1900
Aug 1988–May 1989
10-Month
51.4°F
(10.8°C)
51.3°F
(10.7°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1988 1978
68th Warmest Warmest since: 1988 2012
Ties: 1907, 1988, 2009, 2010
Jul 1988–May 1989
11-Month
53.9°F
(12.2°C)
53.7°F
(12.1°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1988 1918
60th Warmest Warmest since: 1988 2012
Ties: 1903, 1911, 1988, 1990, 2003
Jun 1988–May 1989
12-Month
55.7°F
(13.2°C)
55.4°F
(13.0°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1985 1904, 1918
55th Warmest Warmest since: 1988 2012
Ties: 1925, 1927, 1948, 1985, 2003
Dec 1987–May 1989
18-Month
51.9°F
(11.1°C)
51.7°F
(10.9°C)
0.2°F
(0.2°C)
73rd Coolest Coolest since: 1985 1979
52nd Warmest Warmest since: 1988 2017
Ties: 1897, 1921, 1946
Jun 1987–May 1989
24-Month
55.7°F
(13.2°C)
55.4°F
(13.0°C)
0.3°F
(0.2°C)
79th Coolest Coolest since: 1985 1905, 1978
46th Warmest Warmest since: 1988 2017
Ties: 1940, 1949, 1965, 1973, 1975
Jun 1986–May 1989
36-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
92nd Coolest Coolest since: 1988 1979
32nd Warmest Warmest since: 1988 2018
Ties: 1987, 1988, 1991
Jun 1985–May 1989
48-Month
56.0°F
(13.3°C)
55.4°F
(13.0°C)
0.6°F
(0.3°C)
91st Coolest Coolest since: 1988 1980
32nd Warmest Warmest since: 1988 2019
Ties: 1938, 1939, 1944, 1988, 1991, 2004, 2010, 2011
Jun 1984–May 1989
60-Month
55.9°F
(13.3°C)
55.3°F
(12.9°C)
0.6°F
(0.4°C)
82nd Coolest Coolest since: 1988 1979, 1980, 1981
40th Warmest Warmest since: 1958 2020
Ties: 1945, 1946, 1990, 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published April 2021, retrieved on April 14, 2021 from https://www.ncdc.noaa.gov/cag/