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 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, August 2011

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 2011
1-Month
74.8°F
(23.8°C)
73.4°F
(23.0°C)
1.4°F
(0.8°C)
98th Coolest Coolest since: 2009 1915
29th Warmest Warmest since: 2010 1947
Ties: 1998
Jul–Aug 2011
2-Month
77.4°F
(25.2°C)
74.5°F
(23.6°C)
2.9°F
(1.6°C)
115th Coolest Coolest since: 2010 1915
12th Warmest Warmest since: 1995 1936
Jun–Aug 2011
3-Month
75.9°F
(24.4°C)
73.5°F
(23.1°C)
2.4°F
(1.3°C)
115th Coolest Coolest since: 2009 1915
12th Warmest Warmest since: 2010 1936
May–Aug 2011
4-Month
72.4°F
(22.4°C)
70.6°F
(21.4°C)
1.8°F
(1.0°C)
106th Coolest Coolest since: 2009 1915
21st Warmest Warmest since: 2010 1934, 1936
Ties: 1980, 1998
Apr–Aug 2011
5-Month
68.6°F
(20.3°C)
66.8°F
(19.3°C)
1.8°F
(1.0°C)
112th Coolest Coolest since: 2009 1907
15th Warmest Warmest since: 2010 1934
Ties: 2005
Mar–Aug 2011
6-Month
64.1°F
(17.8°C)
62.3°F
(16.8°C)
1.8°F
(1.0°C)
113th Coolest Coolest since: 2009 1904, 1950, 1960
14th Warmest Warmest since: 2010 2012
Feb–Aug 2011
7-Month
59.2°F
(15.1°C)
57.5°F
(14.2°C)
1.7°F
(0.9°C)
108th Coolest Coolest since: 2009 1904
19th Warmest Warmest since: 2010 2012
Ties: 1911, 1946, 1953
Jan–Aug 2011
8-Month
54.7°F
(12.6°C)
53.6°F
(12.0°C)
1.1°F
(0.6°C)
89th Coolest Coolest since: 2009 1904, 1912
38th Warmest Warmest since: 2010 2012
Ties: 1939
Dec 2010–Aug 2011
9-Month
51.3°F
(10.7°C)
50.9°F
(10.5°C)
0.4°F
(0.2°C)
74th Coolest Coolest since: 2009 1904
52nd Warmest Warmest since: 2010 2012
Ties: 2013
Nov 2010–Aug 2011
10-Month
50.5°F
(10.3°C)
49.9°F
(9.9°C)
0.6°F
(0.4°C)
85th Coolest Coolest since: 2009 1904
41st Warmest Warmest since: 2010 2012
Ties: 1925, 1981
Oct 2010–Aug 2011
11-Month
51.0°F
(10.6°C)
50.3°F
(10.2°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 2009 1904
42nd Warmest Warmest since: 2010 2012
Ties: 1911
Sep 2010–Aug 2011
12-Month
52.4°F
(11.3°C)
51.6°F
(10.9°C)
0.8°F
(0.4°C)
86th Coolest Coolest since: 2009 1904
40th Warmest Warmest since: 2010 2012
Ties: 1913, 2004
Mar 2010–Aug 2011
18-Month
56.9°F
(13.8°C)
55.2°F
(12.9°C)
1.7°F
(0.9°C)
113th Coolest Coolest since: 2010 1904
13th Warmest Warmest since: 2006 2012
Ties: 1921, 1934, 2005
Sep 2009–Aug 2011
24-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
99th Coolest Coolest since: 2010 1905
26th Warmest Warmest since: 2007 2017
Ties: 1914
Sep 2008–Aug 2011
36-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
85th Coolest Coolest since: 2010 1979
39th Warmest Warmest since: 2008 2018
Ties: 1936, 1940, 1974
Sep 2007–Aug 2011
48-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
84th Coolest Coolest since: 1999 1905
39th Warmest Warmest since: 2010 2019
Ties: 1937, 1939, 1940, 1943, 1949, 1954, 1976, 1987, 1999
Sep 2006–Aug 2011
60-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
86th Coolest Coolest since: 1999 1906
36th Warmest Warmest since: 2010 2020
Ties: 1943, 1958, 1995, 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 23, 2021 from https://www.ncdc.noaa.gov/cag/