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 2018

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 2018
1-Month
46.6°F
(8.1°C)
53.0°F
(11.7°C)
-6.4°F
(-3.6°C)
3rd Coolest Coolest since: 1926 1907
124th Warmest Warmest since: 2017 1896
Mar–Apr 2018
2-Month
43.6°F
(6.4°C)
47.3°F
(8.5°C)
-3.7°F
(-2.1°C)
10th Coolest Coolest since: 2013 1926
117th Warmest Warmest since: 2017 2012
Ties: 1904, 2013
Feb–Apr 2018
3-Month
40.5°F
(4.7°C)
42.0°F
(5.6°C)
-1.5°F
(-0.9°C)
39th Coolest Coolest since: 2015 1899, 1978
88th Warmest Warmest since: 2017 2012
Jan–Apr 2018
4-Month
36.9°F
(2.7°C)
38.3°F
(3.5°C)
-1.4°F
(-0.8°C)
32nd Coolest Coolest since: 2015 1912
95th Warmest Warmest since: 2017 2012
Ties: 1951
Dec 2017–Apr 2018
5-Month
35.8°F
(2.1°C)
36.8°F
(2.7°C)
-1.0°F
(-0.6°C)
34th Coolest Coolest since: 2014 1978
92nd Warmest Warmest since: 2017 2012
Ties: 1915, 1958
Nov 2017–Apr 2018
6-Month
37.2°F
(2.9°C)
37.7°F
(3.2°C)
-0.5°F
(-0.3°C)
39th Coolest Coolest since: 2015 1904, 1912
87th Warmest Warmest since: 2017 2012
Ties: 1948
Oct 2017–Apr 2018
7-Month
40.3°F
(4.6°C)
40.3°F
(4.6°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 2015 1912
69th Warmest Warmest since: 2017 2012
Ties: 1907, 1911, 1961, 1973
Sep 2017–Apr 2018
8-Month
44.0°F
(6.7°C)
43.7°F
(6.5°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 2015 1904
56th Warmest Warmest since: 2017 2017
Ties: 1908, 1947, 1950, 2011
Aug 2017–Apr 2018
9-Month
47.1°F
(8.4°C)
47.2°F
(8.4°C)
-0.1°F
(0.0°C)
51st Coolest Coolest since: 2015 1918
75th Warmest Warmest since: 2017 2017
Ties: 1956, 1959, 1971, 2003, 2009
Jul 2017–Apr 2018
10-Month
50.2°F
(10.1°C)
50.2°F
(10.1°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 2015 1918
66th Warmest Warmest since: 2017 2012
Ties: 1908
Jun 2017–Apr 2018
11-Month
52.3°F
(11.3°C)
52.2°F
(11.2°C)
0.1°F
(0.1°C)
65th Coolest Coolest since: 2015 1904
61st Warmest Warmest since: 2017 2017
Ties: 1961
May 2017–Apr 2018
12-Month
53.2°F
(11.8°C)
53.1°F
(11.7°C)
0.1°F
(0.1°C)
63rd Coolest Coolest since: 2015 1918
63rd Warmest Warmest since: 2017 2017
Ties: 1907, 1927, 1933, 1965, 1967, 2003
Nov 2016–Apr 2018
18-Month
49.9°F
(9.9°C)
48.0°F
(8.9°C)
1.9°F
(1.0°C)
113th Coolest Coolest since: 2016 1905
12th Warmest Warmest since: 2017 2017
Ties: 2007
May 2016–Apr 2018
24-Month
55.1°F
(12.8°C)
53.1°F
(11.7°C)
2.0°F
(1.1°C)
118th Coolest Coolest since: 2016 1905
7th Warmest Warmest since: 2017 2017
Ties: 1954
May 2015–Apr 2018
36-Month
55.5°F
(13.1°C)
53.1°F
(11.7°C)
2.4°F
(1.4°C)
123rd Coolest Coolest since: 2017 1979
1st Warmest Warmest to Date 2018
May 2014–Apr 2018
48-Month
54.6°F
(12.6°C)
53.1°F
(11.7°C)
1.5°F
(0.9°C)
116th Coolest Coolest since: 2017 1980
7th Warmest Warmest since: 2008 2019
Ties: 2008
May 2013–Apr 2018
60-Month
53.9°F
(12.2°C)
53.1°F
(11.7°C)
0.8°F
(0.5°C)
99th Coolest Coolest since: 2015 1906
23rd Warmest Warmest since: 2017 2020
Ties: 1936, 1939, 1941, 2001, 2010

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/