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 1955

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1955
1-Month
64.3°F
(17.9°C)
62.1°F
(16.7°C)
2.2°F
(1.2°C)
93rd Coolest Coolest since: 1954 1917
33rd Warmest Warmest since: 1949 2018
Ties: 1912, 1949, 2010
Apr–May 1955
2-Month
61.2°F
(16.2°C)
56.9°F
(13.8°C)
4.3°F
(2.4°C)
120th Coolest Coolest since: 1954 1907
6th Warmest Warmest since: 1896 1896
Ties: 2001
Mar–May 1955
3-Month
54.0°F
(12.2°C)
51.2°F
(10.7°C)
2.8°F
(1.5°C)
111th Coolest Coolest since: 1954 1960
15th Warmest Warmest since: 1946 2012
Ties: 1896
Feb–May 1955
4-Month
47.9°F
(8.8°C)
45.6°F
(7.6°C)
2.3°F
(1.2°C)
103rd Coolest Coolest since: 1954 1978
23rd Warmest Warmest since: 1946 2012
Jan–May 1955
5-Month
43.6°F
(6.4°C)
41.6°F
(5.3°C)
2.0°F
(1.1°C)
100th Coolest Coolest since: 1953 1978, 1979
26th Warmest Warmest since: 1954 2012
Ties: 2007
Dec 1954–May 1955
6-Month
41.6°F
(5.3°C)
39.6°F
(4.2°C)
2.0°F
(1.1°C)
103rd Coolest Coolest since: 1953 1978
22nd Warmest Warmest since: 1954 2012
Ties: 1953
Nov 1954–May 1955
7-Month
41.6°F
(5.3°C)
39.7°F
(4.3°C)
1.9°F
(1.0°C)
104th Coolest Coolest since: 1952 1904
21st Warmest Warmest since: 1954 2012
Ties: 1942, 1995
Oct 1954–May 1955
8-Month
43.3°F
(6.3°C)
41.6°F
(5.3°C)
1.7°F
(1.0°C)
102nd Coolest Coolest since: 1953 1904, 1978
23rd Warmest Warmest since: 1954 2012
Ties: 1974
Sep 1954–May 1955
9-Month
46.2°F
(7.9°C)
44.3°F
(6.8°C)
1.9°F
(1.1°C)
107th Coolest Coolest since: 1953 1904
18th Warmest Warmest since: 1954 2012
Ties: 1992
Aug 1954–May 1955
10-Month
49.0°F
(9.4°C)
47.2°F
(8.4°C)
1.8°F
(1.0°C)
107th Coolest Coolest since: 1953 1904
18th Warmest Warmest since: 1954 2012
Ties: 1976
Jul 1954–May 1955
11-Month
51.7°F
(10.9°C)
49.8°F
(9.9°C)
1.9°F
(1.0°C)
109th Coolest Coolest since: 1953 1904
16th Warmest Warmest since: 1954 2012
Jun 1954–May 1955
12-Month
53.7°F
(12.1°C)
51.6°F
(10.9°C)
2.1°F
(1.2°C)
115th Coolest Coolest since: 1953 1904
10th Warmest Warmest since: 1954 2012
Dec 1953–May 1955
18-Month
49.7°F
(9.8°C)
47.6°F
(8.7°C)
2.1°F
(1.1°C)
113th Coolest Coolest since: 1953 1979
11th Warmest Warmest since: 1954 2017
Jun 1953–May 1955
24-Month
53.8°F
(12.1°C)
51.7°F
(10.9°C)
2.1°F
(1.2°C)
117th Coolest Coolest since: 1954 1905
7th Warmest Warmest since: 1932 2017
Ties: 1999
Jun 1952–May 1955
36-Month
53.4°F
(11.9°C)
51.6°F
(10.9°C)
1.8°F
(1.0°C)
116th Coolest Coolest since: 1954 1979
7th Warmest Warmest since: 1934 2018
Ties: 2006, 2007, 2019
Jun 1951–May 1955
48-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
106th Coolest Coolest since: 1954 1980
16th Warmest Warmest since: 1935 2019
Ties: 1992, 2003, 2005
Jun 1950–May 1955
60-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
83rd Coolest Coolest since: 1954 1906, 1907, 1908, 1981
38th Warmest Warmest since: 1945 2002
Ties: 1924, 1932, 1938, 1943, 1945, 1976, 1988, 2011

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/