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 November 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, April 1977

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1977
1-Month
57.6°F
(14.2°C)
51.5°F
(10.8°C)
6.1°F
(3.4°C)
121st Coolest Coolest since: 1976 1907
5th Warmest Warmest since: 1955 2010
Ties: 2001
Mar–Apr 1977
2-Month
51.6°F
(10.9°C)
45.6°F
(7.6°C)
6.0°F
(3.3°C)
123rd Coolest Coolest since: 1976 1926
3rd Warmest Warmest since: 1946 2012
Feb–Apr 1977
3-Month
44.0°F
(6.7°C)
40.2°F
(4.6°C)
3.8°F
(2.1°C)
111th Coolest Coolest since: 1975 1978
15th Warmest Warmest since: 1976 2012
Ties: 1930
Jan–Apr 1977
4-Month
35.5°F
(1.9°C)
36.5°F
(2.5°C)
-1.0°F
(-0.6°C)
46th Coolest Coolest since: 1975 1912
80th Warmest Warmest since: 1976 2012
Ties: 1988
Dec 1976–Apr 1977
5-Month
33.1°F
(0.6°C)
35.1°F
(1.7°C)
-2.0°F
(-1.1°C)
19th Coolest Coolest since: 1970 1978
106th Warmest Warmest since: 1976 2012
Ties: 1917, 1926, 1959
Nov 1976–Apr 1977
6-Month
33.1°F
(0.6°C)
36.0°F
(2.2°C)
-2.9°F
(-1.6°C)
12th Coolest Coolest since: 1951 1904
113th Warmest Warmest since: 1976 2012
Oct 1976–Apr 1977
7-Month
35.3°F
(1.8°C)
38.7°F
(3.7°C)
-3.4°F
(-1.9°C)
9th Coolest Coolest since: 1936 1904
116th Warmest Warmest since: 1976 2012
Sep 1976–Apr 1977
8-Month
38.9°F
(3.8°C)
42.2°F
(5.7°C)
-3.3°F
(-1.9°C)
6th Coolest Coolest since: 1936 1904
119th Warmest Warmest since: 1976 2017
Ties: 1899
Aug 1976–Apr 1977
9-Month
42.4°F
(5.8°C)
45.6°F
(7.6°C)
-3.2°F
(-1.8°C)
5th Coolest Coolest since: 1918 1904
120th Warmest Warmest since: 1976 2017
Jul 1976–Apr 1977
10-Month
45.7°F
(7.6°C)
48.6°F
(9.2°C)
-2.9°F
(-1.6°C)
5th Coolest Coolest since: 1918 1904
120th Warmest Warmest since: 1976 2012
Jun 1976–Apr 1977
11-Month
48.0°F
(8.9°C)
50.7°F
(10.4°C)
-2.7°F
(-1.5°C)
4th Coolest Coolest since: 1918 1904
121st Warmest Warmest since: 1976 2017
May 1976–Apr 1977
12-Month
48.9°F
(9.4°C)
51.7°F
(10.9°C)
-2.8°F
(-1.5°C)
3rd Coolest Coolest since: 1918 1918
122nd Warmest Warmest since: 1976 2012, 2017
Nov 1975–Apr 1977
18-Month
45.8°F
(7.7°C)
46.4°F
(8.0°C)
-0.6°F
(-0.3°C)
31st Coolest Coolest since: 1971 1905
93rd Warmest Warmest since: 1976 2017
Ties: 1917, 1927, 1960, 1968
May 1975–Apr 1977
24-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
34th Coolest Coolest since: 1971 1905
90th Warmest Warmest since: 1976 2017
Ties: 1903, 1925, 1944, 1982, 2014
May 1974–Apr 1977
36-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
21st Coolest Coolest since: 1971 1979
102nd Warmest Warmest since: 1976 2018
Ties: 1899, 1900, 1901, 1927, 1928, 1952, 1964, 2015
May 1973–Apr 1977
48-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
42nd Coolest Coolest since: 1973 1980
80th Warmest Warmest since: 1976 2019
Ties: 1909, 1951, 1953, 1960, 1973, 1983
May 1972–Apr 1977
60-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1973 1906
72nd Warmest Warmest since: 1976 1935, 2002
Ties: 1915, 1931, 1953, 1998

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 14, 2019 from https://www.ncdc.noaa.gov/cag/