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 April 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 1940

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
April 1940
1-Month
53.9°F
(12.2°C)
55.3°F
(12.9°C)
-1.4°F
(-0.7°C)
39th Coolest Coolest since: 1939 1907
89th Warmest Warmest since: 1938 1896
Mar–Apr 1940
2-Month
48.4°F
(9.1°C)
50.0°F
(10.0°C)
-1.6°F
(-0.9°C)
37th Coolest Coolest since: 1937 1926, 1960
91st Warmest Warmest since: 1939 2012
Feb–Apr 1940
3-Month
43.3°F
(6.3°C)
44.9°F
(7.2°C)
-1.6°F
(-0.9°C)
35th Coolest Coolest since: 1937 1899
93rd Warmest Warmest since: 1939 2012
Ties: 1941, 2013
Jan–Apr 1940
4-Month
36.7°F
(2.6°C)
41.5°F
(5.3°C)
-4.8°F
(-2.7°C)
5th Coolest Coolest since: 1912 1978
123rd Warmest Warmest since: 1939 2012
Dec 1939–Apr 1940
5-Month
36.8°F
(2.7°C)
40.1°F
(4.5°C)
-3.3°F
(-1.8°C)
10th Coolest Coolest since: 1936 1978
117th Warmest Warmest since: 1939 2012
Ties: 2014
Nov 1939–Apr 1940
6-Month
37.7°F
(3.2°C)
40.8°F
(4.9°C)
-3.1°F
(-1.7°C)
9th Coolest Coolest since: 1936 1912
118th Warmest Warmest since: 1939 2012
Oct 1939–Apr 1940
7-Month
40.9°F
(4.9°C)
43.2°F
(6.2°C)
-2.3°F
(-1.3°C)
13th Coolest Coolest since: 1936 1899, 1978
114th Warmest Warmest since: 1939 2012
Sep 1939–Apr 1940
8-Month
45.2°F
(7.3°C)
46.5°F
(8.1°C)
-1.3°F
(-0.8°C)
24th Coolest Coolest since: 1936 1918
103rd Warmest Warmest since: 1939 2017
Ties: 1920, 1993
Aug 1939–Apr 1940
9-Month
48.5°F
(9.2°C)
49.8°F
(9.9°C)
-1.3°F
(-0.7°C)
19th Coolest Coolest since: 1936 1918
108th Warmest Warmest since: 1939 2017
Ties: 1920, 1960, 1963
Jul 1939–Apr 1940
10-Month
51.4°F
(10.8°C)
52.5°F
(11.4°C)
-1.1°F
(-0.6°C)
22nd Coolest Coolest since: 1936 1918
105th Warmest Warmest since: 1939 2012
Ties: 1906, 1969
Jun 1939–Apr 1940
11-Month
53.5°F
(11.9°C)
54.5°F
(12.5°C)
-1.0°F
(-0.6°C)
23rd Coolest Coolest since: 1936 1918
104th Warmest Warmest since: 1939 2012, 2017
Ties: 1902, 1969, 1996
May 1939–Apr 1940
12-Month
54.7°F
(12.6°C)
55.4°F
(13.0°C)
-0.7°F
(-0.4°C)
31st Coolest Coolest since: 1936 1918
96th Warmest Warmest since: 1939 2012, 2017
Ties: 1906, 1908, 1928, 1960
Nov 1938–Apr 1940
18-Month
50.5°F
(10.3°C)
50.5°F
(10.3°C)
0.0°F
(0.0°C)
53rd Coolest Coolest since: 1937 1979
73rd Warmest Warmest since: 1939 2017
Ties: 1901, 1944, 1975, 2010
May 1938–Apr 1940
24-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
83rd Coolest Coolest since: 1937 1978
43rd Warmest Warmest since: 1939 2017
Ties: 1910, 1945, 1972, 1974
May 1937–Apr 1940
36-Month
56.0°F
(13.3°C)
55.4°F
(13.0°C)
0.6°F
(0.3°C)
91st Coolest Coolest since: 1938 1979
34th Warmest Warmest since: 1939 2018
Ties: 1922, 1924, 1944, 1974
May 1936–Apr 1940
48-Month
56.2°F
(13.4°C)
55.3°F
(12.9°C)
0.9°F
(0.5°C)
99th Coolest Coolest since: 1939 1980
25th Warmest Warmest since: 1935 2019
Ties: 1922, 1924, 1942
May 1935–Apr 1940
60-Month
55.6°F
(13.1°C)
55.3°F
(12.9°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1931 1980, 1981
53rd Warmest Warmest since: 1939 2020
Ties: 1926, 1944, 1948, 1949, 1950, 1959, 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published May 2021, retrieved on May 13, 2021 from https://www.ncdc.noaa.gov/cag/