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 December 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1940

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1940
1-Month
62.2°F
(16.8°C)
65.1°F
(18.4°C)
-2.9°F
(-1.6°C)
23rd Coolest Coolest since: 1935 1917, 1924
104th Warmest Warmest since: 1939 2018
Ties: 1989
Apr–May 1940
2-Month
58.0°F
(14.4°C)
60.1°F
(15.6°C)
-2.1°F
(-1.2°C)
17th Coolest Coolest since: 1935 1907
110th Warmest Warmest since: 1939 1896
Ties: 1924
Mar–May 1940
3-Month
53.0°F
(11.7°C)
55.0°F
(12.8°C)
-2.0°F
(-1.1°C)
19th Coolest Coolest since: 1931 1960
108th Warmest Warmest since: 1939 2012
Ties: 1920, 1951, 1958, 1969
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
108th Warmest Warmest since: 1939 2012
Ties: 2014
Jan–May 1940
5-Month
41.8°F
(5.4°C)
46.2°F
(7.9°C)
-4.4°F
(-2.5°C)
4th Coolest Coolest since: 1912 1978
123rd Warmest Warmest since: 1939 2012
Dec 1939–May 1940
6-Month
41.0°F
(5.0°C)
44.2°F
(6.8°C)
-3.2°F
(-1.8°C)
7th Coolest Coolest since: 1912 1978
119th Warmest Warmest since: 1939 2012
Nov 1939–May 1940
7-Month
41.2°F
(5.1°C)
44.3°F
(6.8°C)
-3.1°F
(-1.7°C)
6th Coolest Coolest since: 1912 1978
120th Warmest Warmest since: 1939 2012
Oct 1939–May 1940
8-Month
43.6°F
(6.4°C)
46.0°F
(7.8°C)
-2.4°F
(-1.4°C)
8th Coolest Coolest since: 1918 1978
118th 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)
18th Coolest Coolest since: 1936 1978
108th Warmest Warmest since: 1939 2012
Ties: 1980, 1982
Aug 1939–May 1940
10-Month
49.8°F
(9.9°C)
51.3°F
(10.7°C)
-1.5°F
(-0.8°C)
15th Coolest Coolest since: 1936 1978
111th Warmest Warmest since: 1939 2012
Ties: 1982, 1993, 2014
Jul 1939–May 1940
11-Month
52.4°F
(11.3°C)
53.7°F
(12.1°C)
-1.3°F
(-0.8°C)
18th Coolest Coolest since: 1936 1918
108th Warmest Warmest since: 1939 2012
Ties: 1982
Jun 1939–May 1940
12-Month
54.2°F
(12.3°C)
55.3°F
(12.9°C)
-1.1°F
(-0.6°C)
18th Coolest Coolest since: 1936 1904, 1918
108th Warmest Warmest since: 1939 2012
Dec 1938–May 1940
18-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1936 1979
80th Warmest Warmest since: 1939 2017
Ties: 1901, 1964
Jun 1938–May 1940
24-Month
55.7°F
(13.2°C)
55.4°F
(13.0°C)
0.3°F
(0.2°C)
79th Coolest Coolest since: 1937 1905, 1978
46th Warmest Warmest since: 1939 2017
Ties: 1949, 1965, 1973, 1975, 1989
Jun 1937–May 1940
36-Month
55.9°F
(13.3°C)
55.4°F
(13.0°C)
0.5°F
(0.3°C)
85th Coolest Coolest since: 1938 1979
39th Warmest Warmest since: 1939 2018
Ties: 1936, 1937, 1976
Jun 1936–May 1940
48-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
97th Coolest Coolest since: 1939 1980
26th Warmest Warmest since: 1937 2019
Ties: 1924, 1932, 1937, 1942, 2015
Jun 1935–May 1940
60-Month
55.6°F
(13.1°C)
55.3°F
(12.9°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1931 1979, 1980, 1981
54th Warmest Warmest since: 1939 2020
Ties: 1926, 1948, 1949, 1950, 1987, 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2021, retrieved on January 15, 2021 from https://www.ncdc.noaa.gov/cag/