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


Illinois, Climate Division 6. West 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
51.0°F
(10.6°C)
53.0°F
(11.7°C)
-2.0°F
(-1.1°C)
28th Coolest Coolest since: 2018 1907
99th Warmest Warmest since: 2019 1896
Ties: 1916
Mar–Apr 2020
2-Month
48.4°F
(9.1°C)
47.3°F
(8.5°C)
1.1°F
(0.6°C)
80th Coolest Coolest since: 2019 1926
47th Warmest Warmest since: 2017 2012
Ties: 1919, 1922, 1995
Feb–Apr 2020
3-Month
43.4°F
(6.3°C)
42.0°F
(5.6°C)
1.4°F
(0.7°C)
88th Coolest Coolest since: 2019 1899, 1978
39th Warmest Warmest since: 2017 2012
Ties: 1953, 1967
Jan–Apr 2020
4-Month
40.7°F
(4.8°C)
38.2°F
(3.4°C)
2.5°F
(1.4°C)
104th Coolest Coolest since: 2019 1912
23rd Warmest Warmest since: 2017 2012
Ties: 1973
Dec 2019–Apr 2020
5-Month
39.9°F
(4.4°C)
36.8°F
(2.7°C)
3.1°F
(1.7°C)
110th Coolest Coolest since: 2019 1978
16th Warmest Warmest since: 2017 2012
Nov 2019–Apr 2020
6-Month
39.5°F
(4.2°C)
37.8°F
(3.2°C)
1.7°F
(1.0°C)
97th Coolest Coolest since: 2019 1904, 1912
29th Warmest Warmest since: 2017 2012
Oct 2019–Apr 2020
7-Month
41.6°F
(5.3°C)
40.4°F
(4.7°C)
1.2°F
(0.6°C)
92nd Coolest Coolest since: 2019 1912
34th Warmest Warmest since: 2017 2012
Ties: 1967
Sep 2019–Apr 2020
8-Month
45.5°F
(7.5°C)
43.7°F
(6.5°C)
1.8°F
(1.0°C)
104th Coolest Coolest since: 2019 1904
22nd Warmest Warmest since: 2017 2017
Ties: 1995
Aug 2019–Apr 2020
9-Month
48.6°F
(9.2°C)
47.2°F
(8.4°C)
1.4°F
(0.8°C)
100th Coolest Coolest since: 2019 1918
26th Warmest Warmest since: 2017 2017
Ties: 2004, 2008
Jul 2019–Apr 2020
10-Month
51.5°F
(10.8°C)
50.1°F
(10.1°C)
1.4°F
(0.7°C)
104th Coolest Coolest since: 2019 1918
22nd Warmest Warmest since: 2017 2012
Ties: 1919, 1998
Jun 2019–Apr 2020
11-Month
53.4°F
(11.9°C)
52.2°F
(11.2°C)
1.2°F
(0.7°C)
100th Coolest Coolest since: 2019 1904
26th Warmest Warmest since: 2017 2017
Ties: 1931, 1957, 1987
May 2019–Apr 2020
12-Month
54.3°F
(12.4°C)
53.2°F
(11.8°C)
1.1°F
(0.6°C)
101st Coolest Coolest since: 2019 1918
25th Warmest Warmest since: 2017 2017
Ties: 1931, 1945, 1953, 1974, 1991
Nov 2018–Apr 2020
18-Month
48.5°F
(9.2°C)
48.0°F
(8.9°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 2019 1905
43rd Warmest Warmest since: 2019 2017
Ties: 1943, 1945, 1946, 1972, 1984, 2019
May 2018–Apr 2020
24-Month
54.2°F
(12.3°C)
53.1°F
(11.7°C)
1.1°F
(0.6°C)
105th Coolest Coolest since: 2019 1905
20th Warmest Warmest since: 2018 2017
Ties: 1915, 1923, 1956, 1988, 2003
May 2017–Apr 2020
36-Month
53.9°F
(12.2°C)
53.1°F
(11.7°C)
0.8°F
(0.5°C)
98th Coolest Coolest since: 2016 1979
26th Warmest Warmest since: 2019 2018
Ties: 1943, 1999
May 2016–Apr 2020
48-Month
54.7°F
(12.6°C)
53.1°F
(11.7°C)
1.6°F
(0.9°C)
120th Coolest Coolest since: 2018 1980
3rd Warmest Warmest since: 2019 2019
Ties: 1956, 1957, 2002
May 2015–Apr 2020
60-Month
55.0°F
(12.8°C)
53.1°F
(11.7°C)
1.9°F
(1.1°C)
121st 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, published July 2020, retrieved on August 3, 2020 from https://www.ncdc.noaa.gov/cag/