Climate at a Glance

Statewide 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

Average Temperature Rankings, May 1988

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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1988
1-Month
64.6°F
(18.1°C)
62.1°F
(16.7°C)
2.5°F
(1.4°C)
97th Coolest Coolest since: 1986 1917
29th Warmest Warmest since: 1987 2018
Apr–May 1988
2-Month
58.3°F
(14.6°C)
56.8°F
(13.8°C)
1.5°F
(0.8°C)
94th Coolest Coolest since: 1984 1907
32nd Warmest Warmest since: 1987 1896
Ties: 1911, 2000
Mar–May 1988
3-Month
52.5°F
(11.4°C)
51.2°F
(10.7°C)
1.3°F
(0.7°C)
90th Coolest Coolest since: 1984 1960
36th Warmest Warmest since: 1987 2012
Ties: 1908, 1911, 2015
Feb–May 1988
4-Month
45.8°F
(7.7°C)
45.6°F
(7.6°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1984 1978
60th Warmest Warmest since: 1987 2012
Ties: 1898, 1935, 1970, 1995
Jan–May 1988
5-Month
41.3°F
(5.2°C)
41.6°F
(5.3°C)
-0.3°F
(-0.1°C)
53rd Coolest Coolest since: 1984 1978, 1979
73rd Warmest Warmest since: 1987 2012
Ties: 1914, 1950
Dec 1987–May 1988
6-Month
40.1°F
(4.5°C)
39.6°F
(4.2°C)
0.5°F
(0.3°C)
72nd Coolest Coolest since: 1986 1978
53rd Warmest Warmest since: 1987 2012
Ties: 1950, 1986, 2018
Nov 1987–May 1988
7-Month
40.9°F
(4.9°C)
39.8°F
(4.3°C)
1.1°F
(0.6°C)
91st Coolest Coolest since: 1986 1904
34th Warmest Warmest since: 1987 2012
Oct 1987–May 1988
8-Month
41.8°F
(5.4°C)
41.6°F
(5.3°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1984 1904, 1978
55th Warmest Warmest since: 1987 2012
Ties: 1909, 1948, 1967, 2008
Sep 1987–May 1988
9-Month
44.6°F
(7.0°C)
44.4°F
(6.9°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1984 1904
55th Warmest Warmest since: 1987 2012
Ties: 1923, 2011, 2019
Aug 1987–May 1988
10-Month
47.6°F
(8.7°C)
47.3°F
(8.5°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1986 1904
51st Warmest Warmest since: 1987 2012
Ties: 1923, 1925, 1986, 1989, 2013, 2019
Jul 1987–May 1988
11-Month
50.3°F
(10.2°C)
49.9°F
(9.9°C)
0.4°F
(0.3°C)
77th Coolest Coolest since: 1986 1904
48th Warmest Warmest since: 1987 2012
Ties: 1896, 1956, 1989
Jun 1987–May 1988
12-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
81st Coolest Coolest since: 1986 1904
44th Warmest Warmest since: 1987 2012
Ties: 1898
Dec 1986–May 1988
18-Month
49.3°F
(9.6°C)
47.6°F
(8.7°C)
1.7°F
(0.9°C)
107th Coolest Coolest since: 1987 1979
17th Warmest Warmest since: 1955 2017
Ties: 1991
Jun 1986–May 1988
24-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
107th Coolest Coolest since: 1987 1905
17th Warmest Warmest since: 1955 2017
Ties: 1939, 2003
Jun 1985–May 1988
36-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
94th Coolest Coolest since: 1987 1979
29th Warmest Warmest since: 1987 2018
Ties: 1954, 1987
Jun 1984–May 1988
48-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
97th Coolest Coolest since: 1987 1980
25th Warmest Warmest since: 1957 2019
Ties: 1923, 1942, 1990, 1991, 2004
Jun 1983–May 1988
60-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
83rd Coolest Coolest since: 1987 1906, 1907, 1908, 1981
38th Warmest Warmest since: 1976 2002
Ties: 1924, 1932, 1938, 1943, 1945, 1955, 1976, 2011

Citing This Page

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