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 1948

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1948
1-Month
55.8°F
(13.2°C)
51.5°F
(10.8°C)
4.3°F
(2.4°C)
111th Coolest Coolest since: 1947 1907
15th Warmest Warmest since: 1941 2010
Ties: 1941
Mar–Apr 1948
2-Month
47.6°F
(8.7°C)
45.7°F
(7.6°C)
1.9°F
(1.1°C)
93rd Coolest Coolest since: 1947 1926
33rd Warmest Warmest since: 1946 2012
Ties: 2003
Feb–Apr 1948
3-Month
41.2°F
(5.1°C)
40.2°F
(4.6°C)
1.0°F
(0.5°C)
80th Coolest Coolest since: 1947 1978
46th Warmest Warmest since: 1946 2012
Jan–Apr 1948
4-Month
36.1°F
(2.3°C)
36.5°F
(2.5°C)
-0.4°F
(-0.2°C)
56th Coolest Coolest since: 1947 1912
70th Warmest Warmest since: 1946 2012
Ties: 2003
Dec 1947–Apr 1948
5-Month
35.3°F
(1.8°C)
35.1°F
(1.7°C)
0.2°F
(0.1°C)
65th Coolest Coolest since: 1947 1978
60th Warmest Warmest since: 1946 2012
Ties: 1897, 1898, 1986, 2003
Nov 1947–Apr 1948
6-Month
35.4°F
(1.9°C)
36.1°F
(2.3°C)
-0.7°F
(-0.4°C)
38th Coolest Coolest since: 1943 1904
87th Warmest Warmest since: 1947 2012
Ties: 1971, 1993, 1994
Oct 1947–Apr 1948
7-Month
39.2°F
(4.0°C)
38.7°F
(3.7°C)
0.5°F
(0.3°C)
73rd Coolest Coolest since: 1947 1904
52nd Warmest Warmest since: 1946 2012
Ties: 1986, 2013
Sep 1947–Apr 1948
8-Month
42.8°F
(6.0°C)
42.2°F
(5.7°C)
0.6°F
(0.3°C)
81st Coolest Coolest since: 1947 1904
44th Warmest Warmest since: 1946 2017
Ties: 1914, 1934, 1941, 1985, 2010
Aug 1947–Apr 1948
9-Month
47.0°F
(8.3°C)
45.6°F
(7.6°C)
1.4°F
(0.7°C)
102nd Coolest Coolest since: 1947 1904
23rd Warmest Warmest since: 1942 2017
Ties: 1931, 1981, 1987, 1995
Jul 1947–Apr 1948
10-Month
49.5°F
(9.7°C)
48.6°F
(9.2°C)
0.9°F
(0.5°C)
91st Coolest Coolest since: 1947 1904
34th Warmest Warmest since: 1946 2012
Ties: 1898, 1946, 1957
Jun 1947–Apr 1948
11-Month
51.3°F
(10.7°C)
50.7°F
(10.4°C)
0.6°F
(0.3°C)
79th Coolest Coolest since: 1947 1904
46th Warmest Warmest since: 1945 2017
Ties: 1983, 1990, 2003, 2019
May 1947–Apr 1948
12-Month
51.9°F
(11.1°C)
51.7°F
(10.9°C)
0.2°F
(0.2°C)
70th Coolest Coolest since: 1947 1918
55th Warmest Warmest since: 1945 2012, 2017
Ties: 1901, 1907, 1964, 1990
Nov 1946–Apr 1948
18-Month
46.5°F
(8.1°C)
46.4°F
(8.0°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1944 1905
66th Warmest Warmest since: 1947 2017
Ties: 1910, 1949, 1966
May 1946–Apr 1948
24-Month
51.6°F
(10.9°C)
51.7°F
(10.9°C)
-0.1°F
(0.0°C)
51st Coolest Coolest since: 1947 1905
73rd Warmest Warmest since: 1946 2017
Ties: 1897, 1985, 1996
May 1945–Apr 1948
36-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1938 1979
68th Warmest Warmest since: 1947 2018
Ties: 1925, 1986, 2016
May 1944–Apr 1948
48-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1947 1980
52nd Warmest Warmest since: 1945 2019
Ties: 1936, 1939, 1950, 1954, 1986, 1995
May 1943–Apr 1948
60-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1947 1906
55th Warmest Warmest since: 1946 1935, 2002
Ties: 1940, 1950, 1959, 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 12, 2019 from https://www.ncdc.noaa.gov/cag/