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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 2020

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 2020
1-Month
53.2°F
(11.8°C)
55.3°F
(12.9°C)
-2.1°F
(-1.1°C)
26th Coolest Coolest since: 2018 1907
101st Warmest Warmest since: 2019 1896
Mar–Apr 2020
2-Month
51.4°F
(10.8°C)
50.0°F
(10.0°C)
1.4°F
(0.8°C)
86th Coolest Coolest since: 2019 1926, 1960
41st Warmest Warmest since: 2017 2012
Ties: 1922, 1964, 2001
Feb–Apr 2020
3-Month
46.8°F
(8.2°C)
45.0°F
(7.2°C)
1.8°F
(1.0°C)
93rd Coolest Coolest since: 2019 1899
34th Warmest Warmest since: 2017 2012
Jan–Apr 2020
4-Month
44.2°F
(6.8°C)
41.4°F
(5.2°C)
2.8°F
(1.6°C)
110th Coolest Coolest since: 2019 1978
17th Warmest Warmest since: 2017 2012
Ties: 1967, 1986
Dec 2019–Apr 2020
5-Month
43.3°F
(6.3°C)
40.1°F
(4.5°C)
3.2°F
(1.8°C)
117th Coolest Coolest since: 2019 1978
9th Warmest Warmest since: 2017 2012
Ties: 1938, 1976
Nov 2019–Apr 2020
6-Month
42.7°F
(5.9°C)
40.8°F
(4.9°C)
1.9°F
(1.0°C)
99th Coolest Coolest since: 2019 1912
27th Warmest Warmest since: 2017 2012
Oct 2019–Apr 2020
7-Month
44.8°F
(7.1°C)
43.2°F
(6.2°C)
1.6°F
(0.9°C)
99th Coolest Coolest since: 2019 1899, 1978
27th Warmest Warmest since: 2017 2012
Ties: 1955, 2007
Sep 2019–Apr 2020
8-Month
48.6°F
(9.2°C)
46.4°F
(8.0°C)
2.2°F
(1.2°C)
111th Coolest Coolest since: 2019 1918
15th Warmest Warmest since: 2017 2017
Ties: 1991
Aug 2019–Apr 2020
9-Month
51.7°F
(10.9°C)
49.7°F
(9.8°C)
2.0°F
(1.1°C)
111th Coolest Coolest since: 2019 1918
15th Warmest Warmest since: 2017 2017
Ties: 1942
Jul 2019–Apr 2020
10-Month
54.4°F
(12.4°C)
52.5°F
(11.4°C)
1.9°F
(1.0°C)
111th Coolest Coolest since: 2019 1918
15th Warmest Warmest since: 2017 2012
Ties: 1974, 1992
Jun 2019–Apr 2020
11-Month
56.1°F
(13.4°C)
54.5°F
(12.5°C)
1.6°F
(0.9°C)
109th Coolest Coolest since: 2019 1918
17th Warmest Warmest since: 2017 2012, 2017
Ties: 1981
May 2019–Apr 2020
12-Month
57.1°F
(13.9°C)
55.4°F
(13.0°C)
1.7°F
(0.9°C)
112th Coolest Coolest since: 2019 1918
14th Warmest Warmest since: 2019 2012, 2017
Ties: 2019
Nov 2018–Apr 2020
18-Month
51.8°F
(11.0°C)
50.5°F
(10.3°C)
1.3°F
(0.7°C)
103rd Coolest Coolest since: 2019 1979
22nd Warmest Warmest since: 2018 2017
Ties: 2011
May 2018–Apr 2020
24-Month
57.1°F
(13.9°C)
55.4°F
(13.0°C)
1.7°F
(0.9°C)
113th Coolest Coolest since: 2019 1978
12th Warmest Warmest since: 2018 2017
Ties: 2007
May 2017–Apr 2020
36-Month
56.6°F
(13.7°C)
55.4°F
(13.0°C)
1.2°F
(0.7°C)
106th Coolest Coolest since: 2016 1979
18th Warmest Warmest since: 2019 2018
Ties: 1932, 1954, 2002, 2014
May 2016–Apr 2020
48-Month
57.3°F
(14.1°C)
55.4°F
(13.0°C)
1.9°F
(1.1°C)
121st Coolest Coolest since: 2018 1980
2nd Warmest Warmest since: 2019 2019
Ties: 1935
May 2015–Apr 2020
60-Month
57.5°F
(14.2°C)
55.3°F
(12.9°C)
2.2°F
(1.3°C)
121st Coolest Coolest since: 2019 1980, 1981
1st Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published August 2020, retrieved on August 10, 2020 from https://www.ncdc.noaa.gov/cag/