Climate at a Glance

Divisional 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 August 2022. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, August 2017

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 2017
1-Month
73.3°F
(22.9°C)
76.0°F
(24.4°C)
-2.7°F
(-1.5°C)
14th Coolest Coolest since: 2004 1915
115th Warmest Warmest since: 2016 1936
Jul–Aug 2017
2-Month
76.4°F
(24.7°C)
77.0°F
(25.0°C)
-0.6°F
(-0.3°C)
45th Coolest Coolest since: 2015 1967
84th Warmest Warmest since: 2016 1936
Ties: 1902, 1908, 1942, 1948, 1960, 1962, 2015
Jun–Aug 2017
3-Month
75.8°F
(24.3°C)
76.0°F
(24.4°C)
-0.2°F
(-0.1°C)
56th Coolest Coolest since: 2014 1915, 1927
73rd Warmest Warmest since: 2016 1936
Ties: 1897, 1898, 1939, 1940, 2008
May–Aug 2017
4-Month
73.3°F
(22.9°C)
73.2°F
(22.9°C)
0.1°F
(0.0°C)
62nd Coolest Coolest since: 2014 1967
67th Warmest Warmest since: 2016 1936
Ties: 1898, 1996, 2020
Apr–Aug 2017
5-Month
70.7°F
(21.5°C)
69.6°F
(20.9°C)
1.1°F
(0.6°C)
88th Coolest Coolest since: 2014 1907
41st Warmest Warmest since: 2016 2010
Ties: 1938, 1965
Mar–Aug 2017
6-Month
67.0°F
(19.4°C)
65.5°F
(18.6°C)
1.5°F
(0.8°C)
110th Coolest Coolest since: 2015 1904
19th Warmest Warmest since: 2016 2012
Ties: 1914, 1925, 1955
Feb–Aug 2017
7-Month
64.0°F
(17.8°C)
61.1°F
(16.2°C)
2.9°F
(1.6°C)
124th Coolest Coolest since: 2016 1904
5th Warmest Warmest since: 2012 2012
Ties: 1954
Jan–Aug 2017
8-Month
60.7°F
(15.9°C)
57.3°F
(14.1°C)
3.4°F
(1.8°C)
127th Coolest Coolest since: 2016 1912
2nd Warmest Warmest since: 2012 2012
Ties: 1921
Dec 2016–Aug 2017
9-Month
57.8°F
(14.3°C)
54.8°F
(12.7°C)
3.0°F
(1.6°C)
123rd Coolest Coolest since: 2015 1904
5th Warmest Warmest since: 2016 2012
Nov 2016–Aug 2017
10-Month
57.0°F
(13.9°C)
53.8°F
(12.1°C)
3.2°F
(1.8°C)
124th Coolest Coolest since: 2015 1904
4th Warmest Warmest since: 2016 2012
Oct 2016–Aug 2017
11-Month
57.6°F
(14.2°C)
54.2°F
(12.3°C)
3.4°F
(1.9°C)
125th Coolest Coolest since: 2016 1904
3rd Warmest Warmest since: 2016 2012
Ties: 2016
Sep 2016–Aug 2017
12-Month
58.8°F
(14.9°C)
55.4°F
(13.0°C)
3.4°F
(1.9°C)
125th Coolest Coolest since: 2016 1904
3rd Warmest Warmest since: 2016 2012
Ties: 2016
Mar 2016–Aug 2017
18-Month
61.9°F
(16.6°C)
58.8°F
(14.9°C)
3.1°F
(1.7°C)
126th Coolest Coolest since: 2016 1904
2nd Warmest Warmest since: 2012 2012
Sep 2015–Aug 2017
24-Month
58.8°F
(14.9°C)
55.4°F
(13.0°C)
3.4°F
(1.9°C)
126th Coolest Coolest since: 2016 1979
1st Warmest Warmest to Date 2017
Sep 2014–Aug 2017
36-Month
57.5°F
(14.2°C)
55.4°F
(13.0°C)
2.1°F
(1.2°C)
122nd Coolest Coolest since: 2016 1979
4th Warmest Warmest since: 2012 2018
Sep 2013–Aug 2017
48-Month
56.6°F
(13.7°C)
55.3°F
(12.9°C)
1.3°F
(0.8°C)
109th Coolest Coolest since: 2016 1980
16th Warmest Warmest since: 2013 2019
Ties: 1957, 2000, 2006
Sep 2012–Aug 2017
60-Month
56.3°F
(13.5°C)
55.3°F
(12.9°C)
1.0°F
(0.6°C)
102nd Coolest Coolest since: 2015 1906
22nd Warmest Warmest since: 2016 2020
Ties: 2001

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, Average Temperature, published September 2022, retrieved on October 2, 2022 from https://www.ncdc.noaa.gov/cag/