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 2021. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, December 2005

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 2005
1-Month
26.0°F
(-3.3°C)
29.4°F
(-1.4°C)
-3.4°F
(-1.9°C)
26th Coolest Coolest since: 2000 1983
101st Warmest Warmest since: 2004 2015
Ties: 1925
Nov–Dec 2005
2-Month
35.2°F
(1.8°C)
35.1°F
(1.7°C)
0.1°F
(0.1°C)
56th Coolest Coolest since: 2000 1950
71st Warmest Warmest since: 2004 2015
Ties: 1905, 1907
Oct–Dec 2005
3-Month
42.1°F
(5.6°C)
41.7°F
(5.4°C)
0.4°F
(0.2°C)
74th Coolest Coolest since: 2002 1976
53rd Warmest Warmest since: 2004 1931
Ties: 1957, 1991, 2009
Sep–Dec 2005
4-Month
49.2°F
(9.6°C)
47.7°F
(8.7°C)
1.5°F
(0.9°C)
91st Coolest Coolest since: 2002 1976
36th Warmest Warmest since: 2004 1931
Ties: 1908
Aug–Dec 2005
5-Month
54.5°F
(12.5°C)
52.9°F
(11.6°C)
1.6°F
(0.9°C)
106th Coolest Coolest since: 2004 1976
21st Warmest Warmest since: 2003 1931
Ties: 1965, 1999, 2003
Jul–Dec 2005
6-Month
58.1°F
(14.5°C)
56.6°F
(13.7°C)
1.5°F
(0.8°C)
106th Coolest Coolest since: 2004 1976
21st Warmest Warmest since: 2001 1931
Jun–Dec 2005
7-Month
60.5°F
(15.8°C)
58.7°F
(14.8°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 2004 1917
17th Warmest Warmest since: 2001 1931
Ties: 1999, 2012
May–Dec 2005
8-Month
60.6°F
(15.9°C)
59.2°F
(15.1°C)
1.4°F
(0.8°C)
102nd Coolest Coolest since: 2004 1917
25th Warmest Warmest since: 2001 1931
Ties: 1938, 1965, 2010
Apr–Dec 2005
9-Month
60.0°F
(15.6°C)
58.3°F
(14.6°C)
1.7°F
(1.0°C)
108th Coolest Coolest since: 2004 1917
19th Warmest Warmest since: 2001 1931
Mar–Dec 2005
10-Month
57.9°F
(14.4°C)
56.5°F
(13.6°C)
1.4°F
(0.8°C)
105th Coolest Coolest since: 2004 1917
22nd Warmest Warmest since: 2001 2012
Ties: 1913, 1933, 1977, 2006
Feb–Dec 2005
11-Month
55.9°F
(13.3°C)
54.0°F
(12.2°C)
1.9°F
(1.1°C)
114th Coolest Coolest since: 2004 1917
13th Warmest Warmest since: 2001 2012
Ties: 2001, 2011
Jan–Dec 2005
12-Month
53.7°F
(12.1°C)
51.6°F
(10.9°C)
2.1°F
(1.2°C)
117th Coolest Coolest since: 2004 1917
10th Warmest Warmest since: 1998 2012
Ties: 1946, 1953, 1954, 1991, 2007
Jul 2004–Dec 2005
18-Month
54.8°F
(12.7°C)
53.4°F
(11.9°C)
1.4°F
(0.8°C)
108th Coolest Coolest since: 2004 1904
18th Warmest Warmest since: 2002 2012
Ties: 1922, 1934
Jan 2004–Dec 2005
24-Month
53.1°F
(11.7°C)
51.6°F
(10.9°C)
1.5°F
(0.8°C)
107th Coolest Coolest since: 2004 1904, 1979
19th Warmest Warmest since: 2002 2017
Ties: 1955, 1988, 1998
Jan 2003–Dec 2005
36-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
101st Coolest Coolest since: 2004 1905
24th Warmest Warmest since: 2003 2017
Ties: 1935
Jan 2002–Dec 2005
48-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
107th Coolest Coolest since: 2004 1905
17th Warmest Warmest since: 2002 2001, 2018
Ties: 1941
Jan 2001–Dec 2005
60-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
112th Coolest Coolest since: 2004 1905
11th Warmest Warmest since: 2002 2002
Ties: 1957, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on February 28, 2021 from https://www.ncdc.noaa.gov/cag/