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 October 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, October 2004

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 2004
1-Month
55.4°F
(13.0°C)
54.6°F
(12.6°C)
0.8°F
(0.4°C)
78th Coolest Coolest since: 2003 1925
49th Warmest Warmest since: 2000 1963
Ties: 1983, 1995
Sep–Oct 2004
2-Month
61.6°F
(16.4°C)
60.5°F
(15.8°C)
1.1°F
(0.6°C)
90th Coolest Coolest since: 2003 1917
37th Warmest Warmest since: 2000 1897, 2016
Ties: 1908, 1915, 2013
Aug–Oct 2004
3-Month
63.9°F
(17.7°C)
64.8°F
(18.2°C)
-0.9°F
(-0.5°C)
37th Coolest Coolest since: 1999 1917
90th Warmest Warmest since: 2003 1947
Ties: 1932, 1943
Jul–Oct 2004
4-Month
66.1°F
(18.9°C)
67.4°F
(19.7°C)
-1.3°F
(-0.8°C)
17th Coolest Coolest since: 1992 1917
110th Warmest Warmest since: 2003 1936
Ties: 1945, 1966
Jun–Oct 2004
5-Month
66.9°F
(19.4°C)
68.2°F
(20.1°C)
-1.3°F
(-0.7°C)
18th Coolest Coolest since: 1992 1917
109th Warmest Warmest since: 2003 1936
Ties: 1909, 1928, 1972
May–Oct 2004
6-Month
66.7°F
(19.3°C)
67.2°F
(19.6°C)
-0.5°F
(-0.3°C)
43rd Coolest Coolest since: 2003 1917
84th Warmest Warmest since: 2002 1936
Ties: 1895, 1994
Apr–Oct 2004
7-Month
64.9°F
(18.3°C)
65.0°F
(18.3°C)
-0.1°F
(0.0°C)
54th Coolest Coolest since: 2003 1917
73rd Warmest Warmest since: 2002 2010
Ties: 1895, 1946, 2013
Mar–Oct 2004
8-Month
62.5°F
(16.9°C)
61.9°F
(16.6°C)
0.6°F
(0.3°C)
87th Coolest Coolest since: 2003 1917
40th Warmest Warmest since: 2000 2012
Ties: 1995
Feb–Oct 2004
9-Month
58.9°F
(14.9°C)
58.3°F
(14.6°C)
0.6°F
(0.3°C)
89th Coolest Coolest since: 2003 1917
38th Warmest Warmest since: 2002 2012
Ties: 1944, 1963, 2006
Jan–Oct 2004
10-Month
55.4°F
(13.0°C)
54.9°F
(12.7°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 2003 1904
47th Warmest Warmest since: 2002 2012
Ties: 1898, 1908
Dec 2003–Oct 2004
11-Month
53.5°F
(11.9°C)
52.6°F
(11.4°C)
0.9°F
(0.5°C)
90th Coolest Coolest since: 2003 1904
36th Warmest Warmest since: 2002 2012
Ties: 1930, 1942, 1944
Nov 2003–Oct 2004
12-Month
52.8°F
(11.6°C)
51.7°F
(10.9°C)
1.1°F
(0.7°C)
97th Coolest Coolest since: 2003 1904
29th Warmest Warmest since: 2002 2012
Ties: 1933
May 2003–Oct 2004
18-Month
57.3°F
(14.1°C)
56.9°F
(13.8°C)
0.4°F
(0.3°C)
80th Coolest Coolest since: 2003 1904
46th Warmest Warmest since: 2002 2012
Nov 2002–Oct 2004
24-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
77th Coolest Coolest since: 1997 1905
48th Warmest Warmest since: 2003 2017
Ties: 1897, 1901, 1940, 1943, 1949
Nov 2001–Oct 2004
36-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
105th Coolest Coolest since: 2003 1904, 1979
19th Warmest Warmest since: 2002 2018
Ties: 1921, 1999
Nov 2000–Oct 2004
48-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 1999 1905
32nd Warmest Warmest since: 2003 2019
Ties: 1924, 1936, 1942, 1993
Nov 1999–Oct 2004
60-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
107th Coolest Coolest since: 2001 1905, 1906
15th Warmest Warmest since: 2003 2002, 2020
Ties: 1936, 2001, 2005, 2009, 2012, 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2020, retrieved on December 2, 2020 from https://www.ncdc.noaa.gov/cag/