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 2020

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
(1895-2022)
Warmest/Coolest
Since
Record
August 2020
1-Month
74.5°F
(23.6°C)
76.0°F
(24.4°C)
-1.5°F
(-0.8°C)
27th Coolest Coolest since: 2017 1915
102nd Warmest Warmest since: 2019 1936
Ties: 1942, 2008
Jul–Aug 2020
2-Month
77.2°F
(25.1°C)
77.0°F
(25.0°C)
0.2°F
(0.1°C)
77th Coolest Coolest since: 2017 1967
52nd Warmest Warmest since: 2019 1936
Ties: 1896, 1899, 1928, 2021
Jun–Aug 2020
3-Month
76.6°F
(24.8°C)
75.9°F
(24.4°C)
0.7°F
(0.4°C)
85th Coolest Coolest since: 2019 1915, 1927
44th Warmest Warmest since: 2018 1936
Ties: 1911
May–Aug 2020
4-Month
73.3°F
(22.9°C)
73.2°F
(22.9°C)
0.1°F
(0.0°C)
62nd Coolest Coolest since: 2017 1967
67th Warmest Warmest since: 2019 1936
Ties: 1898, 1996, 2017
Apr–Aug 2020
5-Month
69.3°F
(20.7°C)
69.6°F
(20.9°C)
-0.3°F
(-0.2°C)
46th Coolest Coolest since: 2013 1907
83rd Warmest Warmest since: 2019 2010
Ties: 1909, 1960, 1983, 2003
Mar–Aug 2020
6-Month
66.1°F
(18.9°C)
65.5°F
(18.6°C)
0.6°F
(0.3°C)
82nd Coolest Coolest since: 2019 1904
47th Warmest Warmest since: 2018 2012
Ties: 1901, 1942, 1985
Feb–Aug 2020
7-Month
62.0°F
(16.7°C)
61.1°F
(16.2°C)
0.9°F
(0.5°C)
91st Coolest Coolest since: 2019 1904
38th Warmest Warmest since: 2018 2012
Ties: 1944, 1964, 1995
Jan–Aug 2020
8-Month
58.8°F
(14.9°C)
57.3°F
(14.1°C)
1.5°F
(0.8°C)
101st Coolest Coolest since: 2019 1912
28th Warmest Warmest since: 2017 2012
Ties: 1955
Dec 2019–Aug 2020
9-Month
56.7°F
(13.7°C)
54.8°F
(12.7°C)
1.9°F
(1.0°C)
109th Coolest Coolest since: 2019 1904
19th Warmest Warmest since: 2017 2012
Ties: 1952
Nov 2019–Aug 2020
10-Month
55.0°F
(12.8°C)
53.8°F
(12.1°C)
1.2°F
(0.7°C)
102nd Coolest Coolest since: 2019 1904
26th Warmest Warmest since: 2017 2012
Ties: 1922, 1983
Oct 2019–Aug 2020
11-Month
55.2°F
(12.9°C)
54.1°F
(12.3°C)
1.1°F
(0.6°C)
96th Coolest Coolest since: 2019 1904
32nd Warmest Warmest since: 2018 2012
Ties: 1952, 1972, 1974, 1983, 2004
Sep 2019–Aug 2020
12-Month
56.9°F
(13.8°C)
55.4°F
(13.0°C)
1.5°F
(0.8°C)
111th Coolest Coolest since: 2019 1904
17th Warmest Warmest since: 2017 2012
Ties: 2007
Mar 2019–Aug 2020
18-Month
59.9°F
(15.5°C)
58.8°F
(14.9°C)
1.1°F
(0.6°C)
102nd Coolest Coolest since: 2019 1904
26th Warmest Warmest since: 2018 2012
Ties: 1914, 1935, 1942
Sep 2018–Aug 2020
24-Month
56.6°F
(13.7°C)
55.4°F
(13.0°C)
1.2°F
(0.7°C)
106th Coolest Coolest since: 2019 1979
21st Warmest Warmest since: 2018 2017
Ties: 1939, 1942
Sep 2017–Aug 2020
36-Month
56.6°F
(13.7°C)
55.4°F
(13.0°C)
1.2°F
(0.7°C)
107th Coolest Coolest since: 2016 1979
19th Warmest Warmest since: 2019 2018
Ties: 1956
Sep 2016–Aug 2020
48-Month
57.1°F
(13.9°C)
55.3°F
(12.9°C)
1.8°F
(1.0°C)
121st Coolest Coolest since: 2017 1980
4th Warmest Warmest since: 2019 2019
Ties: 1934
Sep 2015–Aug 2020
60-Month
57.5°F
(14.2°C)
55.4°F
(13.0°C)
2.1°F
(1.2°C)
123rd Coolest Coolest since: 2019 1906
1st Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, Average Temperature, published September 2022, retrieved on September 26, 2022 from https://www.ncdc.noaa.gov/cag/