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


Illinois

Average Temperature Rankings, April 2005

View Period (Months):All1234567891011121824364860
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 2005
1-Month
55.4°F
(13.0°C)
51.5°F
(10.8°C)
3.9°F
(2.2°C)
108th Coolest Coolest since: 2004 1907
18th Warmest Warmest since: 2001 2010
Mar–Apr 2005
2-Month
47.2°F
(8.4°C)
45.6°F
(7.6°C)
1.6°F
(0.8°C)
86th Coolest Coolest since: 2002 1926
40th Warmest Warmest since: 2004 2012
Ties: 1994
Feb–Apr 2005
3-Month
43.5°F
(6.4°C)
40.2°F
(4.6°C)
3.3°F
(1.8°C)
106th Coolest Coolest since: 2004 1978
20th Warmest Warmest since: 2000 2012
Jan–Apr 2005
4-Month
39.9°F
(4.4°C)
36.4°F
(2.4°C)
3.5°F
(2.0°C)
111th Coolest Coolest since: 2004 1912
15th Warmest Warmest since: 2002 2012
Ties: 2002
Dec 2004–Apr 2005
5-Month
38.1°F
(3.4°C)
35.0°F
(1.7°C)
3.1°F
(1.7°C)
109th Coolest Coolest since: 2004 1978
16th Warmest Warmest since: 2002 2012
Nov 2004–Apr 2005
6-Month
39.4°F
(4.1°C)
36.0°F
(2.2°C)
3.4°F
(1.9°C)
115th Coolest Coolest since: 2004 1904
10th Warmest Warmest since: 2002 2012
Oct 2004–Apr 2005
7-Month
41.7°F
(5.4°C)
38.7°F
(3.7°C)
3.0°F
(1.7°C)
113th Coolest Coolest since: 2004 1904
12th Warmest Warmest since: 2002 2012
Sep 2004–Apr 2005
8-Month
44.9°F
(7.2°C)
42.1°F
(5.6°C)
2.8°F
(1.6°C)
114th Coolest Coolest since: 2004 1904
11th Warmest Warmest since: 2002 2017
Aug 2004–Apr 2005
9-Month
47.6°F
(8.7°C)
45.7°F
(7.6°C)
1.9°F
(1.1°C)
111th Coolest Coolest since: 2004 1904
14th Warmest Warmest since: 2002 2017
Jul 2004–Apr 2005
10-Month
50.1°F
(10.1°C)
48.6°F
(9.2°C)
1.5°F
(0.9°C)
103rd Coolest Coolest since: 2003 1904
22nd Warmest Warmest since: 2004 2012
Ties: 1931, 1987
Jun 2004–Apr 2005
11-Month
51.9°F
(11.1°C)
50.7°F
(10.4°C)
1.2°F
(0.7°C)
101st Coolest Coolest since: 2004 1904
24th Warmest Warmest since: 2002 2017
Ties: 1914, 1919, 1953, 1995
May 2004–Apr 2005
12-Month
53.0°F
(11.7°C)
51.6°F
(10.9°C)
1.4°F
(0.8°C)
105th Coolest Coolest since: 2004 1918
20th Warmest Warmest since: 2002 2012, 2017
Ties: 1931, 1937, 1939, 1981
Nov 2003–Apr 2005
18-Month
48.3°F
(9.1°C)
46.4°F
(8.0°C)
1.9°F
(1.1°C)
112th Coolest Coolest since: 2004 1905
12th Warmest Warmest since: 2003 2017
Ties: 2003, 2007, 2018
May 2003–Apr 2005
24-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
105th Coolest Coolest since: 2004 1905
19th Warmest Warmest since: 2003 2017
Ties: 1923, 1938, 1939, 2008
May 2002–Apr 2005
36-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
96th Coolest Coolest since: 2003 1979
27th Warmest Warmest since: 2004 2018
Ties: 1922, 1988, 1991
May 2001–Apr 2005
48-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
108th Coolest Coolest since: 2004 1980
14th Warmest Warmest since: 2003 2019
Ties: 1992, 2003
May 2000–Apr 2005
60-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
104th Coolest Coolest since: 2001 1906
17th Warmest Warmest since: 2004 1935, 2002
Ties: 1923, 1956, 1958, 1991, 2001, 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 27, 2020 from https://www.ncdc.noaa.gov/cag/