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 1966

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1966
1-Month
49.0°F
(9.4°C)
51.5°F
(10.8°C)
-2.5°F
(-1.4°C)
22nd Coolest Coolest since: 1961 1907
104th Warmest Warmest since: 1965 2010
Ties: 1901, 1911, 1944
Mar–Apr 1966
2-Month
45.4°F
(7.4°C)
45.6°F
(7.6°C)
-0.2°F
(-0.2°C)
60th Coolest Coolest since: 1965 1926
66th Warmest Warmest since: 1964 2012
Ties: 1936
Feb–Apr 1966
3-Month
39.9°F
(4.4°C)
40.2°F
(4.6°C)
-0.3°F
(-0.2°C)
57th Coolest Coolest since: 1965 1978
69th Warmest Warmest since: 1964 2012
Jan–Apr 1966
4-Month
35.1°F
(1.7°C)
36.5°F
(2.5°C)
-1.4°F
(-0.8°C)
33rd Coolest Coolest since: 1965 1912
93rd Warmest Warmest since: 1964 2012
Ties: 1937
Dec 1965–Apr 1966
5-Month
35.5°F
(1.9°C)
35.1°F
(1.7°C)
0.4°F
(0.2°C)
70th Coolest Coolest since: 1965 1978
55th Warmest Warmest since: 1957 2012
Ties: 1914, 1950, 1972
Nov 1965–Apr 1966
6-Month
36.9°F
(2.7°C)
36.0°F
(2.2°C)
0.9°F
(0.5°C)
82nd Coolest Coolest since: 1965 1904
43rd Warmest Warmest since: 1957 2012
Ties: 1909, 1910, 1988, 2013
Oct 1965–Apr 1966
7-Month
39.3°F
(4.1°C)
38.7°F
(3.7°C)
0.6°F
(0.4°C)
76th Coolest Coolest since: 1965 1904
49th Warmest Warmest since: 1964 2012
Ties: 1909, 1928
Sep 1965–Apr 1966
8-Month
42.7°F
(5.9°C)
42.2°F
(5.7°C)
0.5°F
(0.2°C)
75th Coolest Coolest since: 1965 1904
50th Warmest Warmest since: 1964 2017
Ties: 1923
Aug 1965–Apr 1966
9-Month
45.9°F
(7.7°C)
45.6°F
(7.6°C)
0.3°F
(0.1°C)
67th Coolest Coolest since: 1965 1904
58th Warmest Warmest since: 1964 2017
Ties: 1915, 1928, 2010
Jul 1965–Apr 1966
10-Month
48.7°F
(9.3°C)
48.7°F
(9.3°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 1965 1904
67th Warmest Warmest since: 1964 2012
Ties: 1928, 1933, 1961
Jun 1965–Apr 1966
11-Month
50.7°F
(10.4°C)
50.7°F
(10.4°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1965 1904
65th Warmest Warmest since: 1964 2017
Ties: 1896, 1925, 1956, 2018
May 1965–Apr 1966
12-Month
52.1°F
(11.2°C)
51.7°F
(10.9°C)
0.4°F
(0.3°C)
78th Coolest Coolest since: 1965 1918
47th Warmest Warmest since: 1957 2012, 2017
Ties: 1909, 1949
Nov 1964–Apr 1966
18-Month
46.5°F
(8.1°C)
46.5°F
(8.1°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 1965 1905
66th Warmest Warmest since: 1957 2017
Ties: 1910, 1948, 1949
May 1964–Apr 1966
24-Month
51.8°F
(11.0°C)
51.7°F
(10.9°C)
0.1°F
(0.1°C)
71st Coolest Coolest since: 1965 1905
53rd Warmest Warmest since: 1958 2017
Ties: 1898, 1901, 1920, 1924, 1931, 1953, 1958, 1967, 1981, 1986, 1995
May 1963–Apr 1966
36-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 1965 1979
56th Warmest Warmest since: 1958 2018
Ties: 1945, 1958
May 1962–Apr 1966
48-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
53rd Coolest Coolest since: 1965 1980
69th Warmest Warmest since: 1958 2019
Ties: 1917, 1984
May 1961–Apr 1966
60-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest since: 1965 1906
87th Warmest Warmest since: 1961 1935, 2002
Ties: 1900, 1901, 1911, 1927, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 24, 2020 from https://www.ncdc.noaa.gov/cag/