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 March 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 2015

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 2015
1-Month
58.4°F
(14.7°C)
55.3°F
(12.9°C)
3.1°F
(1.8°C)
100th Coolest Coolest since: 2014 1907
27th Warmest Warmest since: 2012 1896
Mar–Apr 2015
2-Month
51.0°F
(10.6°C)
50.0°F
(10.0°C)
1.0°F
(0.6°C)
80th Coolest Coolest since: 2014 1926, 1960
47th Warmest Warmest since: 2012 2012
Ties: 1918, 1919, 1930
Feb–Apr 2015
3-Month
42.7°F
(5.9°C)
44.9°F
(7.2°C)
-2.2°F
(-1.3°C)
24th Coolest Coolest since: 2014 1899
103rd Warmest Warmest since: 2013 2012
Ties: 1916, 1996
Jan–Apr 2015
4-Month
40.0°F
(4.4°C)
41.5°F
(5.3°C)
-1.5°F
(-0.9°C)
30th Coolest Coolest since: 2014 1978
97th Warmest Warmest since: 2013 2012
Ties: 1900, 1968, 1977
Dec 2014–Apr 2015
5-Month
39.6°F
(4.2°C)
40.1°F
(4.5°C)
-0.5°F
(-0.3°C)
44th Coolest Coolest since: 2014 1978
82nd Warmest Warmest since: 2013 2012
Ties: 1956, 1971
Nov 2014–Apr 2015
6-Month
39.4°F
(4.1°C)
40.9°F
(4.9°C)
-1.5°F
(-0.8°C)
26th Coolest Coolest since: 2014 1912
100th Warmest Warmest since: 2013 2012
Oct 2014–Apr 2015
7-Month
42.1°F
(5.6°C)
43.2°F
(6.2°C)
-1.1°F
(-0.6°C)
26th Coolest Coolest since: 2014 1899, 1978
100th Warmest Warmest since: 2013 2012
Ties: 1906, 1963, 1993
Sep 2014–Apr 2015
8-Month
45.3°F
(7.4°C)
46.5°F
(8.1°C)
-1.2°F
(-0.7°C)
27th Coolest Coolest since: 2014 1918
99th Warmest Warmest since: 2013 2017
Aug 2014–Apr 2015
9-Month
48.8°F
(9.3°C)
49.8°F
(9.9°C)
-1.0°F
(-0.6°C)
29th Coolest Coolest since: 2014 1918
97th Warmest Warmest since: 2013 2017
Jul 2014–Apr 2015
10-Month
51.2°F
(10.7°C)
52.6°F
(11.4°C)
-1.4°F
(-0.7°C)
19th Coolest Coolest since: 2014 1918
107th Warmest Warmest since: 2013 2012
Jun 2014–Apr 2015
11-Month
53.4°F
(11.9°C)
54.5°F
(12.5°C)
-1.1°F
(-0.6°C)
20th Coolest Coolest since: 2014 1918
106th Warmest Warmest since: 2013 2012, 2017
Ties: 1960, 1963
May 2014–Apr 2015
12-Month
54.5°F
(12.5°C)
55.4°F
(13.0°C)
-0.9°F
(-0.5°C)
23rd Coolest Coolest since: 2014 1918
103rd Warmest Warmest since: 2013 2012, 2017
Ties: 1920, 1926, 1984
Nov 2013–Apr 2015
18-Month
49.0°F
(9.4°C)
50.6°F
(10.3°C)
-1.6°F
(-0.9°C)
7th Coolest Coolest since: 1980 1979
118th Warmest Warmest since: 2014 2017
Ties: 1900, 1970
May 2013–Apr 2015
24-Month
54.2°F
(12.3°C)
55.4°F
(13.0°C)
-1.2°F
(-0.7°C)
9th Coolest Coolest since: 1980 1978
116th Warmest Warmest since: 2014 2017
Ties: 1900, 1912, 1952
May 2012–Apr 2015
36-Month
55.0°F
(12.8°C)
55.3°F
(12.9°C)
-0.3°F
(-0.1°C)
33rd Coolest Coolest since: 1998 1979
91st Warmest Warmest since: 2014 2018
Ties: 1908, 1914, 1928, 1953, 1995, 1998
May 2011–Apr 2015
48-Month
56.1°F
(13.4°C)
55.3°F
(12.9°C)
0.8°F
(0.5°C)
95th Coolest Coolest since: 2011 1980
28th Warmest Warmest since: 2014 2019
Ties: 1923, 1932, 1937, 1938, 1945, 1989, 2011
May 2010–Apr 2015
60-Month
56.2°F
(13.4°C)
55.3°F
(12.9°C)
0.9°F
(0.5°C)
97th Coolest Coolest since: 2011 1980, 1981
25th Warmest Warmest since: 2014 2020
Ties: 1938, 1939, 1942, 1958

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published April 2021, retrieved on April 13, 2021 from https://www.ncdc.noaa.gov/cag/