Climate at a Glance

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


Illinois

Average Temperature Rankings, April 1975

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1975
1-Month
48.4°F
(9.1°C)
51.5°F
(10.8°C)
-3.1°F
(-1.7°C)
17th Coolest Coolest since: 1961 1907
109th Warmest Warmest since: 1974 2010
Mar–Apr 1975
2-Month
41.8°F
(5.4°C)
45.6°F
(7.6°C)
-3.8°F
(-2.2°C)
7th Coolest Coolest since: 1965 1926
119th Warmest Warmest since: 1974 2012
Ties: 1965
Feb–Apr 1975
3-Month
37.4°F
(3.0°C)
40.2°F
(4.6°C)
-2.8°F
(-1.6°C)
23rd Coolest Coolest since: 1965 1978
103rd Warmest Warmest since: 1974 2012
Ties: 1965
Jan–Apr 1975
4-Month
35.4°F
(1.9°C)
36.5°F
(2.5°C)
-1.1°F
(-0.6°C)
42nd Coolest Coolest since: 1972 1912
84th Warmest Warmest since: 1974 2012
Ties: 1913, 1923, 1959
Dec 1974–Apr 1975
5-Month
34.6°F
(1.4°C)
35.1°F
(1.7°C)
-0.5°F
(-0.3°C)
47th Coolest Coolest since: 1971 1978
78th Warmest Warmest since: 1974 2012
Nov 1974–Apr 1975
6-Month
35.7°F
(2.1°C)
36.0°F
(2.2°C)
-0.3°F
(-0.1°C)
47th Coolest Coolest since: 1971 1904
78th Warmest Warmest since: 1974 2012
Ties: 1964
Oct 1974–Apr 1975
7-Month
38.3°F
(3.5°C)
38.7°F
(3.7°C)
-0.4°F
(-0.2°C)
45th Coolest Coolest since: 1971 1904
80th Warmest Warmest since: 1974 2012
Ties: 2003
Sep 1974–Apr 1975
8-Month
41.2°F
(5.1°C)
42.2°F
(5.7°C)
-1.0°F
(-0.6°C)
29th Coolest Coolest since: 1970 1904
96th Warmest Warmest since: 1974 2017
Ties: 1940, 1965, 1969, 1993, 1997
Aug 1974–Apr 1975
9-Month
44.5°F
(6.9°C)
45.6°F
(7.6°C)
-1.1°F
(-0.7°C)
24th Coolest Coolest since: 1970 1904
101st Warmest Warmest since: 1974 2017
Ties: 1994
Jul 1974–Apr 1975
10-Month
47.8°F
(8.8°C)
48.6°F
(9.2°C)
-0.8°F
(-0.4°C)
31st Coolest Coolest since: 1970 1904
94th Warmest Warmest since: 1974 2012
Ties: 1897, 1940, 1969
Jun 1974–Apr 1975
11-Month
49.6°F
(9.8°C)
50.7°F
(10.4°C)
-1.1°F
(-0.6°C)
22nd Coolest Coolest since: 1970 1904
103rd Warmest Warmest since: 1974 2017
May 1974–Apr 1975
12-Month
50.5°F
(10.3°C)
51.6°F
(10.9°C)
-1.1°F
(-0.6°C)
19th Coolest Coolest since: 1970 1918
106th Warmest Warmest since: 1974 2012, 2017
Ties: 1920, 2015
Nov 1973–Apr 1975
18-Month
46.2°F
(7.9°C)
46.4°F
(8.0°C)
-0.2°F
(-0.1°C)
47th Coolest Coolest since: 1971 1905
77th Warmest Warmest since: 1974 2017
Ties: 1911, 1919, 1958, 1965, 2009
May 1973–Apr 1975
24-Month
51.7°F
(10.9°C)
51.7°F
(10.9°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1971 1905
69th Warmest Warmest since: 1974 2017
Ties: 1910, 1941, 1965, 1998
May 1972–Apr 1975
36-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
61st Coolest Coolest since: 1972 1979
62nd Warmest Warmest since: 1974 2018
Ties: 1898, 1949, 1967, 1983, 1994
May 1971–Apr 1975
48-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
63rd Coolest Coolest since: 1973 1980
59th Warmest Warmest since: 1974 2019
Ties: 1947
May 1970–Apr 1975
60-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1974 1906
55th Warmest Warmest since: 1959 1935, 2002
Ties: 1940, 1948, 1950, 1959

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 28, 2020 from https://www.ncdc.noaa.gov/cag/