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 1897

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1897
1-Month
49.9°F
(9.9°C)
51.5°F
(10.8°C)
-1.6°F
(-0.9°C)
33rd Coolest Coolest to Date 1907
93rd Warmest Warmest since: 1896 2010
Mar–Apr 1897
2-Month
44.4°F
(6.9°C)
45.6°F
(7.6°C)
-1.2°F
(-0.7°C)
42nd Coolest Coolest to Date 1926
84th Warmest Warmest since: 1896 2012
Ties: 1961
Feb–Apr 1897
3-Month
39.8°F
(4.3°C)
40.2°F
(4.6°C)
-0.4°F
(-0.3°C)
55th Coolest Coolest since: 1895 1978
71st Warmest Warmest since: 1896 2012
Ties: 1928
Jan–Apr 1897
4-Month
35.7°F
(2.1°C)
36.4°F
(2.4°C)
-0.7°F
(-0.3°C)
49th Coolest Coolest since: 1895 1912
77th Warmest Warmest since: 1896 2012
Ties: 1906
Dec 1896–Apr 1897
5-Month
35.3°F
(1.8°C)
35.1°F
(1.7°C)
0.2°F
(0.1°C)
65th Coolest Coolest to Date 1978
60th Warmest Warmest since: 1896 2012
Ties: 1898, 1948, 1986, 2003
Nov 1896–Apr 1897
6-Month
36.0°F
(2.2°C)
36.0°F
(2.2°C)
0.0°F
(0.0°C)
57th Coolest Coolest to Date 1904
68th Warmest Warmest since: 1896 2012
Ties: 1898, 1913, 1930, 2003, 2008, 2009
Oct 1896–Apr 1897
7-Month
38.1°F
(3.4°C)
38.7°F
(3.7°C)
-0.6°F
(-0.3°C)
38th Coolest Coolest to Date 1904
87th Warmest Warmest since: 1896 2012
Ties: 1943, 1971
Sep 1896–Apr 1897
8-Month
41.1°F
(5.1°C)
42.1°F
(5.6°C)
-1.0°F
(-0.5°C)
26th Coolest Coolest to Date 1904
99th Warmest Warmest since: 1896 2017
Ties: 1944, 1980
Aug 1896–Apr 1897
9-Month
44.8°F
(7.1°C)
45.6°F
(7.6°C)
-0.8°F
(-0.5°C)
31st Coolest Coolest to Date 1904
94th Warmest Warmest since: 1896 2017
Ties: 1916, 1943, 1969, 1997
Jul 1896–Apr 1897
10-Month
47.8°F
(8.8°C)
48.6°F
(9.2°C)
-0.8°F
(-0.4°C)
31st Coolest Coolest to Date 1904
94th Warmest Warmest since: 1896 2012
Ties: 1940, 1969, 1975
Jun 1896–Apr 1897
11-Month
49.9°F
(9.9°C)
50.7°F
(10.4°C)
-0.8°F
(-0.5°C)
30th Coolest Coolest to Date 1904
95th Warmest Warmest since: 1896 2017
Ties: 1917, 1929, 1930, 1952, 1960
May 1896–Apr 1897
12-Month
51.5°F
(10.8°C)
51.7°F
(10.9°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest to Date 1918
72nd Warmest Warmest since: 1896 2012, 2017
Ties: 1967
Nov 1895–Apr 1897
18-Month
46.6°F
(8.1°C)
46.5°F
(8.1°C)
0.1°F
(0.0°C)
65th Coolest Coolest to Date 1905
59th Warmest Warmest to Date 2017
Ties: 1920, 1967, 1996
May 1895–Apr 1897
24-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
51st Coolest Coolest to Date 1905
73rd Warmest Warmest to Date 2017
Ties: 1948, 1985, 1996

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/