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


Illinois

Average Temperature Rankings, September 2013

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 2013
1-Month
68.6°F
(20.3°C)
66.2°F
(19.0°C)
2.4°F
(1.3°C)
95th Coolest Coolest since: 2012 1918
31st Warmest Warmest since: 2007 1925, 1933
Aug–Sep 2013
2-Month
70.7°F
(21.5°C)
69.8°F
(21.0°C)
0.9°F
(0.5°C)
84th Coolest Coolest since: 2012 1967
42nd Warmest Warmest since: 2010 1936
Ties: 1905, 1919
Jul–Sep 2013
3-Month
71.5°F
(21.9°C)
71.7°F
(22.1°C)
-0.2°F
(-0.2°C)
55th Coolest Coolest since: 2009 1967
71st Warmest Warmest since: 2012 1936
Ties: 1899, 1969, 1990
Jun–Sep 2013
4-Month
71.5°F
(21.9°C)
71.6°F
(22.0°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 2009 1915, 1924
75th Warmest Warmest since: 2012 1936
Ties: 1905, 1949, 1968
May–Sep 2013
5-Month
70.0°F
(21.1°C)
69.8°F
(21.0°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 2009 1924
56th Warmest Warmest since: 2012 1936
Ties: 1943, 1949, 2017
Apr–Sep 2013
6-Month
66.7°F
(19.3°C)
66.7°F
(19.3°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 2009 1907
69th Warmest Warmest since: 2012 2010
Ties: 1956, 1963
Mar–Sep 2013
7-Month
62.1°F
(16.7°C)
62.9°F
(17.2°C)
-0.8°F
(-0.5°C)
35th Coolest Coolest since: 1997 1924
91st Warmest Warmest since: 2012 2012
Feb–Sep 2013
8-Month
58.0°F
(14.4°C)
58.6°F
(14.8°C)
-0.6°F
(-0.4°C)
37th Coolest Coolest since: 2008 1904
89th Warmest Warmest since: 2012 2012
Ties: 1900, 1901, 1903, 1909, 1972
Jan–Sep 2013
9-Month
54.8°F
(12.7°C)
54.9°F
(12.7°C)
-0.1°F
(0.0°C)
60th Coolest Coolest since: 2009 1904, 1912
66th Warmest Warmest since: 2012 2012
Ties: 1901, 1943
Dec 2012–Sep 2013
10-Month
53.0°F
(11.7°C)
52.4°F
(11.3°C)
0.6°F
(0.4°C)
76th Coolest Coolest since: 2011 1904
49th Warmest Warmest since: 2012 2012
Ties: 1957, 1986
Nov 2012–Sep 2013
11-Month
52.0°F
(11.1°C)
51.4°F
(10.8°C)
0.6°F
(0.3°C)
86th Coolest Coolest since: 2011 1904
39th Warmest Warmest since: 2012 2012
Ties: 1896, 1930, 1946, 1986
Oct 2012–Sep 2013
12-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 2009 1904
50th Warmest Warmest since: 2012 2012
Ties: 1901, 1944, 1946, 1959, 1985, 1992, 2019
Apr 2012–Sep 2013
18-Month
57.8°F
(14.3°C)
56.7°F
(13.7°C)
1.1°F
(0.6°C)
98th Coolest Coolest since: 2010 1904, 1918
27th Warmest Warmest since: 2012 2012
Ties: 1992
Oct 2011–Sep 2013
24-Month
54.2°F
(12.3°C)
51.7°F
(10.9°C)
2.5°F
(1.4°C)
122nd Coolest Coolest since: 2012 1979
2nd Warmest Warmest since: 2012 2017
Ties: 2012
Oct 2010–Sep 2013
36-Month
53.5°F
(11.9°C)
51.6°F
(10.9°C)
1.9°F
(1.0°C)
117th Coolest Coolest since: 2011 1979
6th Warmest Warmest since: 2012 2018
Ties: 1933, 2006
Oct 2009–Sep 2013
48-Month
53.4°F
(11.9°C)
51.6°F
(10.9°C)
1.8°F
(1.0°C)
118th Coolest Coolest since: 2012 1905
4th Warmest Warmest since: 2007 2019
Ties: 2002
Oct 2008–Sep 2013
60-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
113th Coolest Coolest since: 2012 1906
8th Warmest Warmest since: 2012 2002
Ties: 2003, 2012

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 7, 2020 from https://www.ncdc.noaa.gov/cag/