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 1941

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1941
1-Month
66.1°F
(18.9°C)
62.1°F
(16.7°C)
4.0°F
(2.2°C)
106th Coolest Coolest since: 1940 1917
20th Warmest Warmest since: 1936 2018
Apr–May 1941
2-Month
60.9°F
(16.1°C)
56.8°F
(13.8°C)
4.1°F
(2.3°C)
118th Coolest Coolest since: 1940 1907
8th Warmest Warmest since: 1896 1896
Mar–May 1941
3-Month
52.4°F
(11.3°C)
51.2°F
(10.7°C)
1.2°F
(0.6°C)
86th Coolest Coolest since: 1940 1960
40th Warmest Warmest since: 1938 2012
Ties: 1902, 1936
Feb–May 1941
4-Month
45.9°F
(7.7°C)
45.7°F
(7.6°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1940 1978
56th Warmest Warmest since: 1939 2012
Ties: 1919, 1944, 1948
Jan–May 1941
5-Month
42.5°F
(5.8°C)
41.6°F
(5.3°C)
0.9°F
(0.5°C)
80th Coolest Coolest since: 1940 1978, 1979
46th Warmest Warmest since: 1939 2012
Ties: 1898, 1945
Dec 1940–May 1941
6-Month
41.1°F
(5.1°C)
39.6°F
(4.2°C)
1.5°F
(0.9°C)
97th Coolest Coolest since: 1940 1978
28th Warmest Warmest since: 1939 2012
Ties: 1933, 1939
Nov 1940–May 1941
7-Month
40.7°F
(4.8°C)
39.8°F
(4.3°C)
0.9°F
(0.5°C)
87th Coolest Coolest since: 1940 1904
38th Warmest Warmest since: 1939 2012
Ties: 1934, 1981, 1985, 1990
Oct 1940–May 1941
8-Month
42.9°F
(6.1°C)
41.6°F
(5.3°C)
1.3°F
(0.8°C)
96th Coolest Coolest since: 1940 1904, 1978
29th Warmest Warmest since: 1939 2012
Ties: 1985
Sep 1940–May 1941
9-Month
45.4°F
(7.4°C)
44.3°F
(6.8°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 1940 1904
32nd Warmest Warmest since: 1939 2012
Ties: 1898, 1946
Aug 1940–May 1941
10-Month
48.3°F
(9.1°C)
47.3°F
(8.5°C)
1.0°F
(0.6°C)
96th Coolest Coolest since: 1940 1904
29th Warmest Warmest since: 1939 2012
Ties: 1948, 1949, 1957, 2008
Jul 1940–May 1941
11-Month
50.8°F
(10.4°C)
49.8°F
(9.9°C)
1.0°F
(0.5°C)
96th Coolest Coolest since: 1940 1904
29th Warmest Warmest since: 1939 2012
Ties: 1919, 1935, 1938, 2013
Jun 1940–May 1941
12-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
96th Coolest Coolest since: 1940 1904
29th Warmest Warmest since: 1939 2012
Ties: 1931, 1957, 1981, 1995, 2005, 2013
Dec 1939–May 1941
18-Month
47.4°F
(8.6°C)
47.6°F
(8.7°C)
-0.2°F
(-0.1°C)
52nd Coolest Coolest since: 1937 1979
72nd Warmest Warmest since: 1940 2017
Ties: 1958, 1964, 1965, 1967, 1975
Jun 1939–May 1941
24-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
65th Coolest Coolest since: 1937 1905
59th Warmest Warmest since: 1940 2017
Ties: 1901, 1958, 1981, 1996, 2010
Jun 1938–May 1941
36-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
83rd Coolest Coolest since: 1940 1979
40th Warmest Warmest since: 1940 2018
Ties: 1940, 1950, 1990
Jun 1937–May 1941
48-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
89th Coolest Coolest since: 1940 1980
33rd Warmest Warmest since: 1940 2019
Ties: 1940, 1993
Jun 1936–May 1941
60-Month
52.4°F
(11.3°C)
51.6°F
(10.9°C)
0.8°F
(0.4°C)
92nd Coolest Coolest since: 1940 1906, 1907, 1908, 1981
29th Warmest Warmest since: 1936 2002
Ties: 1989

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/