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 January 1895. For more information, please see Climatological Rankings.


Illinois, Climate Division 9. Southeast

Average Temperature Rankings, May 1940

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
May 1940
1-Month
62.1°F
(16.7°C)
65.0°F
(18.3°C)
-2.9°F
(-1.6°C)
24ᵗʰ Coolest Coolest since: 1935 1924
101ˢᵗ Warmest Warmest since: 1939 2018
Ties: 1983
Apr–May 1940
2-Month
58.0°F
(14.4°C)
60.2°F
(15.7°C)
-2.2°F
(-1.3°C)
18ᵗʰ Coolest Coolest since: 1935 1907
107ᵗʰ Warmest Warmest since: 1939 1896
Ties: 1928
Mar–May 1940
3-Month
53.0°F
(11.7°C)
55.0°F
(12.8°C)
-2.0°F
(-1.1°C)
15ᵗʰ Coolest Coolest since: 1931 1960
110ᵗʰ Warmest Warmest since: 1939 2012
Ties: 1923, 1978, 1993
Feb–May 1940
4-Month
48.0°F
(8.9°C)
49.9°F
(9.9°C)
-1.9°F
(-1.0°C)
19ᵗʰ Coolest Coolest since: 1924 1978
106ᵗʰ Warmest Warmest since: 1939 2012
Ties: 1900, 2014
Jan–May 1940
5-Month
41.8°F
(5.4°C)
46.3°F
(7.9°C)
-4.5°F
(-2.5°C)
3ʳᵈ Coolest Coolest to Date 1978
122ⁿᵈ Warmest Warmest since: 1939 2012
Dec 1939–May 1940
6-Month
41.0°F
(5.0°C)
44.3°F
(6.8°C)
-3.3°F
(-1.8°C)
5ᵗʰ Coolest Coolest since: 1904 1978
119ᵗʰ Warmest Warmest since: 1939 2012
Nov 1939–May 1940
7-Month
41.2°F
(5.1°C)
44.4°F
(6.9°C)
-3.2°F
(-1.8°C)
4ᵗʰ Coolest Coolest since: 1912 1978
120ᵗʰ Warmest Warmest since: 1939 2012
Ties: 1979
Oct 1939–May 1940
8-Month
43.6°F
(6.4°C)
46.1°F
(7.8°C)
-2.5°F
(-1.4°C)
9ᵗʰ Coolest Coolest since: 1918 1978
115ᵗʰ Warmest Warmest since: 1939 2012
Sep 1939–May 1940
9-Month
47.1°F
(8.4°C)
48.6°F
(9.2°C)
-1.5°F
(-0.8°C)
21ˢᵗ Coolest Coolest since: 1936 1978
103ʳᵈ Warmest Warmest since: 1939 2017
Ties: 1905, 1994
Aug 1939–May 1940
10-Month
49.9°F
(9.9°C)
51.3°F
(10.7°C)
-1.4°F
(-0.8°C)
19ᵗʰ Coolest Coolest since: 1936 1978
105ᵗʰ Warmest Warmest since: 1939 2017
Ties: 1960, 1984, 1993
Jul 1939–May 1940
11-Month
52.5°F
(11.4°C)
53.8°F
(12.1°C)
-1.3°F
(-0.7°C)
20ᵗʰ Coolest Coolest since: 1936 1977
104ᵗʰ Warmest Warmest since: 1939 2012, 2017
Ties: 1936
Jun 1939–May 1940
12-Month
54.3°F
(12.4°C)
55.4°F
(13.0°C)
-1.1°F
(-0.6°C)
20ᵗʰ Coolest Coolest since: 1936 1977
104ᵗʰ Warmest Warmest since: 1939 2012, 2017
Ties: 1984, 1997, 2015
Dec 1938–May 1940
18-Month
51.5°F
(10.8°C)
51.8°F
(11.0°C)
-0.3°F
(-0.2°C)
45ᵗʰ Coolest Coolest since: 1936 1979
78ᵗʰ Warmest Warmest since: 1939 2017
Ties: 1903, 1965, 1967, 1993
Jun 1938–May 1940
24-Month
55.6°F
(13.1°C)
55.5°F
(13.1°C)
0.1°F
(0.0°C)
66ᵗʰ Coolest Coolest since: 1937 1978
57ᵗʰ Warmest Warmest since: 1939 2017
Ties: 1916, 1926, 1928, 1931
Jun 1937–May 1940
36-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
76ᵗʰ Coolest Coolest since: 1938 1979
46ᵗʰ Warmest Warmest since: 1939 2018
Ties: 1927, 1938, 1941, 1946, 1989, 1991, 2010
Jun 1936–May 1940
48-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
92ⁿᵈ Coolest Coolest since: 1939 1980
29ᵗʰ Warmest Warmest since: 1938 1935
Ties: 1925, 1936, 1945, 1992
Jun 1935–May 1940
60-Month
55.7°F
(13.2°C)
55.4°F
(13.0°C)
0.3°F
(0.2°C)
72ⁿᵈ Coolest Coolest since: 1931 1980, 1981
48ᵗʰ Warmest Warmest since: 1939 1935
Ties: 1950, 1954, 1990, 1993, 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published December 2018, retrieved on December 17, 2018 from https://www.ncdc.noaa.gov/cag/