Climate at a Glance

Divisional 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 March 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1955

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1955
1-Month
67.0°F
(19.4°C)
65.1°F
(18.4°C)
1.9°F
(1.0°C)
93rd Coolest Coolest since: 1954 1917, 1924
34th Warmest Warmest since: 1944 2018
Ties: 1914, 1933
Apr–May 1955
2-Month
64.0°F
(17.8°C)
60.1°F
(15.6°C)
3.9°F
(2.2°C)
119th Coolest Coolest since: 1954 1907
8th Warmest Warmest since: 1896 1896
Mar–May 1955
3-Month
57.8°F
(14.3°C)
55.0°F
(12.8°C)
2.8°F
(1.5°C)
113th Coolest Coolest since: 1954 1960
14th Warmest Warmest since: 1946 2012
Ties: 2016
Feb–May 1955
4-Month
52.2°F
(11.2°C)
49.9°F
(9.9°C)
2.3°F
(1.3°C)
108th Coolest Coolest since: 1954 1978
19th Warmest Warmest since: 1954 2012
Ties: 1954, 1974, 1999
Jan–May 1955
5-Month
48.4°F
(9.1°C)
46.2°F
(7.9°C)
2.2°F
(1.2°C)
107th Coolest Coolest since: 1954 1978
20th Warmest Warmest since: 1953 2012
Ties: 1896, 1974, 2004, 2007
Dec 1954–May 1955
6-Month
46.3°F
(7.9°C)
44.3°F
(6.8°C)
2.0°F
(1.1°C)
107th Coolest Coolest since: 1954 1978
19th Warmest Warmest since: 1953 2012
Ties: 1896, 1946, 2005
Nov 1954–May 1955
7-Month
46.1°F
(7.8°C)
44.3°F
(6.8°C)
1.8°F
(1.0°C)
105th Coolest Coolest since: 1954 1978
21st Warmest Warmest since: 1953 2012
Ties: 1938
Oct 1954–May 1955
8-Month
47.6°F
(8.7°C)
46.0°F
(7.8°C)
1.6°F
(0.9°C)
103rd Coolest Coolest since: 1953 1978
23rd Warmest Warmest since: 1954 2012
Ties: 1919
Sep 1954–May 1955
9-Month
50.4°F
(10.2°C)
48.6°F
(9.2°C)
1.8°F
(1.0°C)
112th Coolest Coolest since: 1954 1978
14th Warmest Warmest since: 1939 2012
Ties: 1998, 2002, 2004, 2020
Aug 1954–May 1955
10-Month
53.3°F
(11.8°C)
51.3°F
(10.7°C)
2.0°F
(1.1°C)
115th Coolest Coolest since: 1954 1978
11th Warmest Warmest since: 1939 2012
Jul 1954–May 1955
11-Month
55.9°F
(13.3°C)
53.7°F
(12.1°C)
2.2°F
(1.2°C)
118th Coolest Coolest since: 1954 1918
8th Warmest Warmest since: 1932 2012
Jun 1954–May 1955
12-Month
57.7°F
(14.3°C)
55.4°F
(13.0°C)
2.3°F
(1.3°C)
119th Coolest Coolest since: 1954 1904, 1918
7th Warmest Warmest since: 1932 2012
Ties: 1999
Dec 1953–May 1955
18-Month
53.9°F
(12.2°C)
51.7°F
(10.9°C)
2.2°F
(1.3°C)
116th Coolest Coolest since: 1954 1979
9th Warmest Warmest since: 1932 2017
Jun 1953–May 1955
24-Month
57.6°F
(14.2°C)
55.4°F
(13.0°C)
2.2°F
(1.2°C)
119th Coolest Coolest since: 1954 1905, 1978
6th Warmest Warmest since: 1932 2017
Ties: 1932
Jun 1952–May 1955
36-Month
57.3°F
(14.1°C)
55.3°F
(12.9°C)
2.0°F
(1.2°C)
118th Coolest Coolest since: 1954 1979
6th Warmest Warmest since: 1934 2018
Ties: 1934
Jun 1951–May 1955
48-Month
56.7°F
(13.7°C)
55.3°F
(12.9°C)
1.4°F
(0.8°C)
110th Coolest Coolest since: 1954 1980
13th Warmest Warmest since: 1935 2019
Ties: 2001, 2009, 2014
Jun 1950–May 1955
60-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 1954 1979, 1980, 1981
31st Warmest Warmest since: 1942 2020
Ties: 1933, 1937, 1941, 1991, 2005, 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published April 2021, retrieved on April 14, 2021 from https://www.ncdc.noaa.gov/cag/