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 1901

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1901
1-Month
49.0°F
(9.4°C)
51.5°F
(10.8°C)
-2.5°F
(-1.4°C)
22nd Coolest Coolest since: 1898 1907
104th Warmest Warmest since: 1900 2010
Ties: 1911, 1944, 1966
Mar–Apr 1901
2-Month
43.6°F
(6.4°C)
45.7°F
(7.6°C)
-2.1°F
(-1.2°C)
30th Coolest Coolest since: 1900 1926
96th Warmest Warmest since: 1898 2012
Ties: 1916, 1969
Feb–Apr 1901
3-Month
36.0°F
(2.2°C)
40.1°F
(4.5°C)
-4.1°F
(-2.3°C)
9th Coolest Coolest since: 1899 1978
117th Warmest Warmest since: 1900 2012
Ties: 1936
Jan–Apr 1901
4-Month
34.2°F
(1.2°C)
36.5°F
(2.5°C)
-2.3°F
(-1.3°C)
21st Coolest Coolest since: 1899 1912
105th Warmest Warmest since: 1900 2012
Ties: 1924
Dec 1900–Apr 1901
5-Month
33.5°F
(0.8°C)
35.1°F
(1.7°C)
-1.6°F
(-0.9°C)
26th Coolest Coolest since: 1900 1978
99th Warmest Warmest since: 1898 2012
Nov 1900–Apr 1901
6-Month
34.4°F
(1.3°C)
36.0°F
(2.2°C)
-1.6°F
(-0.9°C)
23rd Coolest Coolest since: 1899 1904
102nd Warmest Warmest since: 1900 2012
Ties: 2015
Oct 1900–Apr 1901
7-Month
38.2°F
(3.4°C)
38.7°F
(3.7°C)
-0.5°F
(-0.3°C)
41st Coolest Coolest since: 1899 1904
84th Warmest Warmest since: 1900 2012
Ties: 1896, 1924, 1968
Sep 1900–Apr 1901
8-Month
42.0°F
(5.6°C)
42.2°F
(5.7°C)
-0.2°F
(-0.1°C)
50th Coolest Coolest since: 1900 1904
75th Warmest Warmest since: 1898 2017
Aug 1900–Apr 1901
9-Month
46.0°F
(7.8°C)
45.6°F
(7.6°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 1900 1904
53rd Warmest Warmest since: 1898 2017
Ties: 1927, 1961, 1973, 2019
Jul 1900–Apr 1901
10-Month
48.9°F
(9.4°C)
48.6°F
(9.2°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1900 1904
55th Warmest Warmest since: 1898 2012
Ties: 1907, 1950, 1964, 1967, 2019
Jun 1900–Apr 1901
11-Month
50.8°F
(10.4°C)
50.6°F
(10.3°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1900 1904
59th Warmest Warmest since: 1898 2017
Ties: 1907
May 1900–Apr 1901
12-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1900 1918
55th Warmest Warmest since: 1898 2012, 2017
Ties: 1907, 1948, 1964, 1990
Nov 1899–Apr 1901
18-Month
46.3°F
(7.9°C)
46.4°F
(8.0°C)
-0.1°F
(-0.1°C)
53rd Coolest Coolest since: 1900 1905
71st Warmest Warmest since: 1898 2017
Ties: 1928, 1993
May 1899–Apr 1901
24-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 1900 1905
53rd Warmest Warmest since: 1898 2017
Ties: 1898, 1920, 1924, 1931, 1953, 1958, 1966, 1967, 1981, 1986, 1995
May 1898–Apr 1901
36-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
21st Coolest Coolest since: 1900 1979
102nd Warmest Warmest since: 1900 2018
Ties: 1899, 1900, 1927, 1928, 1952, 1964, 1977, 2015
May 1897–Apr 1901
48-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
38th Coolest Coolest since: 1900 1980
84th Warmest Warmest to Date 2019
Ties: 1921, 1968, 1985
May 1896–Apr 1901
60-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest since: 1900 1906
87th Warmest Warmest since: 1900 1935, 2002
Ties: 1900, 1911, 1927, 1966, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 16, 2019 from https://www.ncdc.noaa.gov/cag/