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 1939

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1939
1-Month
65.2°F
(18.4°C)
62.1°F
(16.7°C)
3.1°F
(1.7°C)
102nd Coolest Coolest since: 1938 1917
24th Warmest Warmest since: 1936 2018
Ties: 1975
Apr–May 1939
2-Month
56.8°F
(13.8°C)
56.9°F
(13.8°C)
-0.1°F
(0.0°C)
49th Coolest Coolest since: 1937 1907
77th Warmest Warmest since: 1938 1896
Ties: 1905, 1913, 1946, 1952, 1956, 1975, 1978
Mar–May 1939
3-Month
51.8°F
(11.0°C)
51.2°F
(10.7°C)
0.6°F
(0.3°C)
77th Coolest Coolest since: 1937 1960
49th Warmest Warmest since: 1938 2012
Ties: 1962, 2005
Feb–May 1939
4-Month
46.0°F
(7.8°C)
45.7°F
(7.6°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1937 1978
54th Warmest Warmest since: 1938 2012
Ties: 1910
Jan–May 1939
5-Month
43.3°F
(6.3°C)
41.6°F
(5.3°C)
1.7°F
(1.0°C)
96th Coolest Coolest since: 1937 1978, 1979
30th Warmest Warmest since: 1938 2012
Ties: 1927, 1973
Dec 1938–May 1939
6-Month
41.1°F
(5.1°C)
39.6°F
(4.2°C)
1.5°F
(0.9°C)
97th Coolest Coolest since: 1937 1978
28th Warmest Warmest since: 1938 2012
Ties: 1933, 1941
Nov 1938–May 1939
7-Month
41.4°F
(5.2°C)
39.8°F
(4.3°C)
1.6°F
(0.9°C)
100th Coolest Coolest since: 1938 1904
25th Warmest Warmest since: 1938 2012
Ties: 1938, 1946, 1983
Oct 1938–May 1939
8-Month
43.6°F
(6.4°C)
41.6°F
(5.3°C)
2.0°F
(1.1°C)
107th Coolest Coolest since: 1938 1904, 1978
18th Warmest Warmest since: 1932 2012
Ties: 1919, 1942, 2007
Sep 1938–May 1939
9-Month
46.3°F
(7.9°C)
44.4°F
(6.9°C)
1.9°F
(1.0°C)
109th Coolest Coolest since: 1938 1904
16th Warmest Warmest since: 1932 2012
Ties: 2004
Aug 1938–May 1939
10-Month
49.3°F
(9.6°C)
47.3°F
(8.5°C)
2.0°F
(1.1°C)
113th Coolest Coolest since: 1938 1904
12th Warmest Warmest since: 1932 2012
Ties: 1942, 1954
Jul 1938–May 1939
11-Month
51.8°F
(11.0°C)
49.9°F
(9.9°C)
1.9°F
(1.1°C)
114th Coolest Coolest since: 1938 1904
11th Warmest Warmest since: 1932 2012
Ties: 1942, 1954, 1987, 1998
Jun 1938–May 1939
12-Month
53.3°F
(11.8°C)
51.7°F
(10.9°C)
1.6°F
(0.9°C)
107th Coolest Coolest since: 1938 1904
18th Warmest Warmest since: 1932 2012
Dec 1937–May 1939
18-Month
49.6°F
(9.8°C)
47.6°F
(8.7°C)
2.0°F
(1.1°C)
112th Coolest Coolest since: 1938 1979
12th Warmest Warmest since: 1932 2017
Ties: 2018
Jun 1937–May 1939
24-Month
52.9°F
(11.6°C)
51.7°F
(10.9°C)
1.2°F
(0.7°C)
107th Coolest Coolest since: 1938 1905
17th Warmest Warmest since: 1935 2017
Ties: 1988, 2003
Jun 1936–May 1939
36-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
103rd Coolest Coolest since: 1938 1979
20th Warmest Warmest since: 1934 2018
Ties: 2014
Jun 1935–May 1939
48-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 1938 1980
43rd Warmest Warmest since: 1937 2019
Ties: 1945, 2011
Jun 1934–May 1939
60-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
90th Coolest Coolest since: 1938 1906, 1907, 1908, 1981
31st Warmest Warmest since: 1936 2002
Ties: 1925, 1933, 1990, 1993, 1999, 2015

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/