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 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 1975

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 1975
1-Month
54.1°F
(12.3°C)
55.3°F
(12.9°C)
-1.2°F
(-0.6°C)
41st Coolest Coolest since: 1973 1907
86th Warmest Warmest since: 1974 1896
Ties: 1909
Mar–Apr 1975
2-Month
47.0°F
(8.3°C)
49.9°F
(9.9°C)
-2.9°F
(-1.6°C)
17th Coolest Coolest since: 1969 1926, 1960
110th Warmest Warmest since: 1974 2012
Ties: 1899, 1943, 1969, 1983
Feb–Apr 1975
3-Month
42.8°F
(6.0°C)
44.9°F
(7.2°C)
-2.1°F
(-1.2°C)
27th Coolest Coolest since: 1960 1899
100th Warmest Warmest since: 1974 2012
Ties: 1951
Jan–Apr 1975
4-Month
40.9°F
(4.9°C)
41.5°F
(5.3°C)
-0.6°F
(-0.4°C)
48th Coolest Coolest since: 1971 1978
79th Warmest Warmest since: 1974 2012
Ties: 1928, 2008
Dec 1974–Apr 1975
5-Month
39.8°F
(4.3°C)
40.1°F
(4.5°C)
-0.3°F
(-0.2°C)
50th Coolest Coolest since: 1971 1978
76th Warmest Warmest since: 1974 2012
Ties: 2003
Nov 1974–Apr 1975
6-Month
40.8°F
(4.9°C)
40.9°F
(4.9°C)
-0.1°F
(0.0°C)
52nd Coolest Coolest since: 1971 1912
74th Warmest Warmest since: 1974 2012
Ties: 1911, 1916
Oct 1974–Apr 1975
7-Month
43.0°F
(6.1°C)
43.3°F
(6.3°C)
-0.3°F
(-0.2°C)
46th Coolest Coolest since: 1973 1899, 1978
80th Warmest Warmest since: 1974 2012
Ties: 1897, 1901, 1917, 1959, 1988
Sep 1974–Apr 1975
8-Month
45.4°F
(7.4°C)
46.5°F
(8.1°C)
-1.1°F
(-0.7°C)
28th Coolest Coolest since: 1970 1918
98th Warmest Warmest since: 1974 2017
Ties: 1994
Aug 1974–Apr 1975
9-Month
48.6°F
(9.2°C)
49.8°F
(9.9°C)
-1.2°F
(-0.7°C)
23rd Coolest Coolest since: 1970 1918
103rd Warmest Warmest since: 1974 2017
Ties: 1926, 1969, 1996
Jul 1974–Apr 1975
10-Month
51.6°F
(10.9°C)
52.5°F
(11.4°C)
-0.9°F
(-0.5°C)
28th Coolest Coolest since: 1970 1918
98th Warmest Warmest since: 1974 2012
Ties: 1920
Jun 1974–Apr 1975
11-Month
53.2°F
(11.8°C)
54.5°F
(12.5°C)
-1.3°F
(-0.7°C)
17th Coolest Coolest since: 1970 1918
109th Warmest Warmest since: 1974 2012, 2017
Ties: 1980
May 1974–Apr 1975
12-Month
54.3°F
(12.4°C)
55.4°F
(13.0°C)
-1.1°F
(-0.6°C)
20th Coolest Coolest since: 1970 1918
106th Warmest Warmest since: 1974 2012, 2017
Ties: 1902, 1996
Nov 1973–Apr 1975
18-Month
50.5°F
(10.3°C)
50.5°F
(10.3°C)
0.0°F
(0.0°C)
53rd Coolest Coolest since: 1971 1979
72nd Warmest Warmest since: 1974 2017
Ties: 1901, 1940, 1944, 2010
May 1973–Apr 1975
24-Month
55.5°F
(13.1°C)
55.4°F
(13.0°C)
0.1°F
(0.1°C)
60th Coolest Coolest since: 1971 1978
65th Warmest Warmest since: 1974 2017
Ties: 1931, 1936, 1966, 1995
May 1972–Apr 1975
36-Month
55.3°F
(12.9°C)
55.3°F
(12.9°C)
0.0°F
(0.0°C)
49th Coolest Coolest since: 1972 1979
75th Warmest Warmest since: 1974 2018
Ties: 1903, 1917, 1927, 1965, 1983
May 1971–Apr 1975
48-Month
55.6°F
(13.1°C)
55.3°F
(12.9°C)
0.3°F
(0.2°C)
66th Coolest Coolest since: 1973 1980
57th Warmest Warmest since: 1974 2019
Ties: 1917, 1947, 1995
May 1970–Apr 1975
60-Month
55.5°F
(13.1°C)
55.3°F
(12.9°C)
0.2°F
(0.2°C)
61st Coolest Coolest since: 1974 1980, 1981
61st Warmest Warmest since: 1959 2020
Ties: 1947, 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on March 5, 2021 from https://www.ncdc.noaa.gov/cag/