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 1985

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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1985
1-Month
64.5°F
(18.1°C)
62.1°F
(16.7°C)
2.4°F
(1.4°C)
96th Coolest Coolest since: 1984 1917
30th Warmest Warmest since: 1982 2018
Apr–May 1985
2-Month
60.6°F
(15.9°C)
56.8°F
(13.8°C)
3.8°F
(2.1°C)
116th Coolest Coolest since: 1984 1907
10th Warmest Warmest since: 1977 1896
Mar–May 1985
3-Month
55.2°F
(12.9°C)
51.1°F
(10.6°C)
4.1°F
(2.3°C)
118th Coolest Coolest since: 1984 1960
8th Warmest Warmest since: 1977 2012
Feb–May 1985
4-Month
47.5°F
(8.6°C)
45.6°F
(7.6°C)
1.9°F
(1.0°C)
95th Coolest Coolest since: 1984 1978
31st Warmest Warmest since: 1977 2012
Ties: 1990
Jan–May 1985
5-Month
41.7°F
(5.4°C)
41.6°F
(5.3°C)
0.1°F
(0.1°C)
62nd Coolest Coolest since: 1984 1978, 1979
64th Warmest Warmest since: 1983 2012
Ties: 1915
Dec 1984–May 1985
6-Month
40.7°F
(4.8°C)
39.6°F
(4.2°C)
1.1°F
(0.6°C)
89th Coolest Coolest since: 1984 1978
36th Warmest Warmest since: 1983 2012
Ties: 1931, 1990, 2013
Nov 1984–May 1985
7-Month
40.7°F
(4.8°C)
39.7°F
(4.3°C)
1.0°F
(0.5°C)
87th Coolest Coolest since: 1984 1904
38th Warmest Warmest since: 1983 2012
Ties: 1934, 1941, 1981, 1990
Oct 1984–May 1985
8-Month
42.9°F
(6.1°C)
41.7°F
(5.4°C)
1.2°F
(0.7°C)
96th Coolest Coolest since: 1984 1904, 1978
29th Warmest Warmest since: 1983 2012
Ties: 1941
Sep 1984–May 1985
9-Month
45.2°F
(7.3°C)
44.3°F
(6.8°C)
0.9°F
(0.5°C)
88th Coolest Coolest since: 1984 1904
37th Warmest Warmest since: 1983 2012
Ties: 1914, 1938, 1953
Aug 1984–May 1985
10-Month
48.2°F
(9.0°C)
47.3°F
(8.5°C)
0.9°F
(0.5°C)
91st Coolest Coolest since: 1984 1904
34th Warmest Warmest since: 1976 2012
Ties: 1931, 1934, 1964
Jul 1984–May 1985
11-Month
50.5°F
(10.3°C)
49.9°F
(9.9°C)
0.6°F
(0.4°C)
85th Coolest Coolest since: 1984 1904
40th Warmest Warmest since: 1983 2012
Ties: 1948, 1964, 1983, 2008, 2011, 2018
Jun 1984–May 1985
12-Month
52.5°F
(11.4°C)
51.7°F
(10.9°C)
0.8°F
(0.5°C)
89th Coolest Coolest since: 1984 1904
36th Warmest Warmest since: 1981 2012
Ties: 1919, 1938, 2011
Dec 1983–May 1985
18-Month
47.1°F
(8.4°C)
47.6°F
(8.7°C)
-0.5°F
(-0.3°C)
37th Coolest Coolest since: 1983 1979
87th Warmest Warmest since: 1984 2017
Ties: 1925, 1926, 1969, 1977
Jun 1983–May 1985
24-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
68th Coolest Coolest since: 1984 1905
56th Warmest Warmest since: 1976 2017
Ties: 1931, 1953
Jun 1982–May 1985
36-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
75th Coolest Coolest since: 1984 1979
48th Warmest Warmest since: 1976 2018
Ties: 1916, 1937, 1946, 1949, 2010, 2011
Jun 1981–May 1985
48-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1984 1980
73rd Warmest Warmest since: 1984 2019
Ties: 1903, 1915, 1917, 1959, 1984
Jun 1980–May 1985
60-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
59th Coolest Coolest since: 1984 1906, 1907, 1908, 1981
62nd Warmest Warmest since: 1976 2002
Ties: 1974

Citing This Page

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