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 September 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, May 1984

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1984
1-Month
59.2°F
(15.1°C)
62.1°F
(16.7°C)
-2.9°F
(-1.6°C)
30th Coolest Coolest since: 1983 1917
97th Warmest Warmest since: 1982 2018
Apr–May 1984
2-Month
54.6°F
(12.6°C)
56.8°F
(13.8°C)
-2.2°F
(-1.2°C)
14th Coolest Coolest since: 1983 1907
113th Warmest Warmest since: 1982 1896
Ties: 1910, 1926, 1947, 1950
Mar–May 1984
3-Month
47.4°F
(8.6°C)
51.1°F
(10.6°C)
-3.7°F
(-2.0°C)
2nd Coolest Coolest since: 1960 1960
125th Warmest Warmest since: 1983 2012
Feb–May 1984
4-Month
44.6°F
(7.0°C)
45.7°F
(7.6°C)
-1.1°F
(-0.6°C)
40th Coolest Coolest since: 1982 1978
87th Warmest Warmest since: 1983 2012
Ties: 1943, 1982, 2013
Jan–May 1984
5-Month
40.0°F
(4.4°C)
41.6°F
(5.3°C)
-1.6°F
(-0.9°C)
25th Coolest Coolest since: 1982 1978, 1979
102nd Warmest Warmest since: 1983 2012
Dec 1983–May 1984
6-Month
36.2°F
(2.3°C)
39.5°F
(4.2°C)
-3.3°F
(-1.9°C)
6th Coolest Coolest since: 1979 1978
120th Warmest Warmest since: 1983 2012
Ties: 1936
Nov 1983–May 1984
7-Month
37.4°F
(3.0°C)
39.7°F
(4.3°C)
-2.3°F
(-1.3°C)
12th Coolest Coolest since: 1979 1904
114th Warmest Warmest since: 1983 2012
Oct 1983–May 1984
8-Month
39.7°F
(4.3°C)
41.7°F
(5.4°C)
-2.0°F
(-1.1°C)
13th Coolest Coolest since: 1979 1904, 1978
113th Warmest Warmest since: 1983 2012
Ties: 1905, 1917, 1940
Sep 1983–May 1984
9-Month
42.7°F
(5.9°C)
44.4°F
(6.9°C)
-1.7°F
(-1.0°C)
16th Coolest Coolest since: 1982 1904
110th Warmest Warmest since: 1983 2012
Ties: 1902, 1926, 1960, 1970
Aug 1983–May 1984
10-Month
46.3°F
(7.9°C)
47.2°F
(8.4°C)
-0.9°F
(-0.5°C)
29th Coolest Coolest since: 1982 1904
97th Warmest Warmest since: 1983 2012
Jul 1983–May 1984
11-Month
49.3°F
(9.6°C)
49.8°F
(9.9°C)
-0.5°F
(-0.3°C)
36th Coolest Coolest since: 1982 1904
90th Warmest Warmest since: 1983 2012
Ties: 1929, 1947, 1971
Jun 1983–May 1984
12-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
41st Coolest Coolest since: 1982 1904
85th Warmest Warmest since: 1983 2012
Ties: 1902, 1906, 1907, 1908, 1913, 1947, 1961, 2001
Dec 1982–May 1984
18-Month
47.9°F
(8.8°C)
47.6°F
(8.7°C)
0.3°F
(0.1°C)
72nd Coolest Coolest since: 1983 1979
53rd Warmest Warmest since: 1981 2017
Ties: 1898, 1981, 1990
Jun 1982–May 1984
24-Month
51.6°F
(10.9°C)
51.7°F
(10.9°C)
-0.1°F
(0.0°C)
57th Coolest Coolest since: 1983 1905
68th Warmest Warmest since: 1981 2017
Ties: 1948, 1995
Jun 1981–May 1984
36-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
29th Coolest Coolest since: 1981 1979
95th Warmest Warmest since: 1983 2018
Ties: 1927, 1928, 1953
Jun 1980–May 1984
48-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1983 1980
74th Warmest Warmest since: 1977 2019
Ties: 1903, 1915, 1917, 1959, 1985
Jun 1979–May 1984
60-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
42nd Coolest Coolest since: 1983 1906, 1907, 1908, 1981
80th Warmest Warmest since: 1977 2020
Ties: 1911, 1917, 1931, 1952, 1960, 1967, 1968

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 29, 2020 from https://www.ncdc.noaa.gov/cag/