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


Illinois

Average Temperature Rankings, April 1911

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1911
1-Month
49.0°F
(9.4°C)
51.5°F
(10.8°C)
-2.5°F
(-1.4°C)
22nd Coolest Coolest since: 1907 1907
104th Warmest Warmest since: 1910 2010
Ties: 1901, 1944, 1966
Mar–Apr 1911
2-Month
44.9°F
(7.2°C)
45.7°F
(7.6°C)
-0.8°F
(-0.4°C)
51st Coolest Coolest since: 1909 1926
75th Warmest Warmest since: 1910 2012
Ties: 1907, 1970
Feb–Apr 1911
3-Month
41.0°F
(5.0°C)
40.2°F
(4.6°C)
0.8°F
(0.4°C)
78th Coolest Coolest since: 1909 1978
48th Warmest Warmest since: 1910 2012
Ties: 1896
Jan–Apr 1911
4-Month
37.9°F
(3.3°C)
36.5°F
(2.5°C)
1.4°F
(0.8°C)
90th Coolest Coolest since: 1909 1912
36th Warmest Warmest since: 1910 2012
Ties: 1896, 1964, 1967
Dec 1910–Apr 1911
5-Month
35.4°F
(1.9°C)
35.0°F
(1.7°C)
0.4°F
(0.2°C)
66th Coolest Coolest since: 1910 1978
59th Warmest Warmest since: 1909 2012
Nov 1910–Apr 1911
6-Month
35.5°F
(1.9°C)
36.0°F
(2.2°C)
-0.5°F
(-0.3°C)
42nd Coolest Coolest since: 1906 1904
83rd Warmest Warmest since: 1910 2012
Ties: 1906, 1944
Oct 1910–Apr 1911
7-Month
38.5°F
(3.6°C)
38.7°F
(3.7°C)
-0.2°F
(-0.1°C)
50th Coolest Coolest since: 1906 1904
75th Warmest Warmest since: 1910 2012
Ties: 1916, 1961, 2018
Sep 1910–Apr 1911
8-Month
41.9°F
(5.5°C)
42.1°F
(5.6°C)
-0.2°F
(-0.1°C)
46th Coolest Coolest since: 1910 1904
79th Warmest Warmest since: 1910 2017
Ties: 1910, 1937, 1971
Aug 1910–Apr 1911
9-Month
45.3°F
(7.4°C)
45.6°F
(7.6°C)
-0.3°F
(-0.2°C)
44th Coolest Coolest since: 1906 1904
81st Warmest Warmest since: 1910 2017
Ties: 1929
Jul 1910–Apr 1911
10-Month
48.3°F
(9.1°C)
48.6°F
(9.2°C)
-0.3°F
(-0.1°C)
43rd Coolest Coolest since: 1906 1904
82nd Warmest Warmest since: 1910 2012
Ties: 1929, 1971, 1984, 2010
Jun 1910–Apr 1911
11-Month
50.2°F
(10.1°C)
50.7°F
(10.4°C)
-0.5°F
(-0.3°C)
41st Coolest Coolest since: 1908 1904
84th Warmest Warmest since: 1910 2017
Ties: 1906, 1908, 1913
May 1910–Apr 1911
12-Month
50.8°F
(10.4°C)
51.6°F
(10.9°C)
-0.8°F
(-0.5°C)
28th Coolest Coolest since: 1908 1918
97th Warmest Warmest since: 1910 2012, 2017
Ties: 1958, 1969, 1997
Nov 1909–Apr 1911
18-Month
46.2°F
(7.9°C)
46.5°F
(8.1°C)
-0.3°F
(-0.2°C)
47th Coolest Coolest since: 1908 1905
77th Warmest Warmest since: 1910 2017
Ties: 1919, 1958, 1965, 1975, 2009
May 1909–Apr 1911
24-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
30th Coolest Coolest since: 1906 1905
94th Warmest Warmest since: 1910 2017
Ties: 1937, 1983
May 1908–Apr 1911
36-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
44th Coolest Coolest since: 1910 1979
79th Warmest Warmest since: 1909 2018
Ties: 1902, 1903, 1914, 1959, 1965, 1996, 1997
May 1907–Apr 1911
48-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
29th Coolest Coolest since: 1908 1980
93rd Warmest Warmest since: 1910 2019
Ties: 1899, 1900, 1914, 1926, 1930, 1952, 1972, 1997
May 1906–Apr 1911
60-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest since: 1909 1906
87th Warmest Warmest since: 1910 1935, 2002
Ties: 1900, 1901, 1927, 1966, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/