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 2005

View Period (Months):All1234567891011121824364860
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 2005
1-Month
75.6°F
(24.2°C)
73.4°F
(23.0°C)
2.2°F
(1.2°C)
107th Coolest Coolest since: 2004 1915
20th Warmest Warmest since: 1995 1947
Jul–Aug 2005
2-Month
75.9°F
(24.4°C)
74.4°F
(23.6°C)
1.5°F
(0.8°C)
101st Coolest Coolest since: 2004 1915
26th Warmest Warmest since: 2002 1936
Ties: 2006
Jun–Aug 2005
3-Month
75.6°F
(24.2°C)
73.4°F
(23.0°C)
2.2°F
(1.2°C)
110th Coolest Coolest since: 2004 1915
17th Warmest Warmest since: 2002 1936
Ties: 1931, 1943, 1952
May–Aug 2005
4-Month
71.9°F
(22.2°C)
70.6°F
(21.4°C)
1.3°F
(0.8°C)
95th Coolest Coolest since: 2004 1915
32nd Warmest Warmest since: 1998 1934, 1936
Ties: 1900, 1943, 1964, 1995
Apr–Aug 2005
5-Month
68.6°F
(20.3°C)
66.8°F
(19.3°C)
1.8°F
(1.0°C)
112th Coolest Coolest since: 2004 1907
15th Warmest Warmest since: 1991 1934
Ties: 2011
Mar–Aug 2005
6-Month
63.7°F
(17.6°C)
62.3°F
(16.8°C)
1.4°F
(0.8°C)
108th Coolest Coolest since: 2004 1904, 1950, 1960
19th Warmest Warmest since: 1998 2012
Feb–Aug 2005
7-Month
59.8°F
(15.4°C)
57.6°F
(14.2°C)
2.2°F
(1.2°C)
114th Coolest Coolest since: 2004 1904
13th Warmest Warmest since: 2000 2012
Ties: 2000
Jan–Aug 2005
8-Month
55.9°F
(13.3°C)
53.5°F
(11.9°C)
2.4°F
(1.4°C)
117th Coolest Coolest since: 2004 1904, 1912
10th Warmest Warmest since: 1998 2012
Ties: 1954
Dec 2004–Aug 2005
9-Month
53.2°F
(11.8°C)
50.9°F
(10.5°C)
2.3°F
(1.3°C)
115th Coolest Coolest since: 2004 1904
11th Warmest Warmest since: 2002 2012
Ties: 1934, 1954
Nov 2004–Aug 2005
10-Month
52.4°F
(11.3°C)
49.9°F
(9.9°C)
2.5°F
(1.4°C)
116th Coolest Coolest since: 2004 1904
10th Warmest Warmest since: 2002 2012
Ties: 1987, 2006
Oct 2004–Aug 2005
11-Month
52.7°F
(11.5°C)
50.3°F
(10.2°C)
2.4°F
(1.3°C)
117th Coolest Coolest since: 2004 1904
9th Warmest Warmest since: 2002 2012
Ties: 1954, 1998, 2006
Sep 2004–Aug 2005
12-Month
53.9°F
(12.2°C)
51.6°F
(10.9°C)
2.3°F
(1.3°C)
115th Coolest Coolest since: 2004 1904
11th Warmest Warmest since: 2002 2012
Ties: 1954, 2000
Mar 2004–Aug 2005
18-Month
56.9°F
(13.8°C)
55.2°F
(12.9°C)
1.7°F
(0.9°C)
113th Coolest Coolest since: 2004 1904
13th Warmest Warmest since: 2002 2012
Ties: 1921, 1934, 2011
Sep 2003–Aug 2005
24-Month
53.2°F
(11.8°C)
51.7°F
(10.9°C)
1.5°F
(0.9°C)
110th Coolest Coolest since: 2004 1905
15th Warmest Warmest since: 2000 2017
Ties: 1992
Sep 2002–Aug 2005
36-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
100th Coolest Coolest since: 2004 1979
24th Warmest Warmest since: 2004 2018
Ties: 1922, 1935, 1987, 2004
Sep 2001–Aug 2005
48-Month
53.0°F
(11.7°C)
51.6°F
(10.9°C)
1.4°F
(0.8°C)
110th Coolest Coolest since: 2004 1905
13th Warmest Warmest since: 2002 2019
Ties: 1933, 1955, 2006
Sep 2000–Aug 2005
60-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
106th Coolest Coolest since: 2004 1906
16th Warmest Warmest since: 2003 2020
Ties: 1956, 2001, 2010, 2016, 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 20, 2021 from https://www.ncdc.noaa.gov/cag/