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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 2021

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
(1895-2021)
Warmest/Coolest
Since
Record
April 2021
1-Month
55.4°F
(13.0°C)
55.3°F
(12.9°C)
0.1°F
(0.1°C)
60th Coolest Coolest since: 2020 1907
68th Warmest Warmest since: 2019 1896
Ties: 1905, 1908, 1931, 1998
Mar–Apr 2021
2-Month
53.2°F
(11.8°C)
49.9°F
(9.9°C)
3.3°F
(1.9°C)
105th Coolest Coolest since: 2020 1926, 1960
23rd Warmest Warmest since: 2017 2012
Ties: 1955
Feb–Apr 2021
3-Month
44.4°F
(6.9°C)
44.9°F
(7.2°C)
-0.5°F
(-0.3°C)
53rd Coolest Coolest since: 2018 1899
75th Warmest Warmest since: 2020 2012
Ties: 1943
Jan–Apr 2021
4-Month
42.0°F
(5.6°C)
41.5°F
(5.3°C)
0.5°F
(0.3°C)
71st Coolest Coolest since: 2018 1978
57th Warmest Warmest since: 2020 2012
Ties: 1922, 1950, 1957
Dec 2020–Apr 2021
5-Month
40.9°F
(4.9°C)
40.0°F
(4.4°C)
0.9°F
(0.5°C)
75th Coolest Coolest since: 2018 1978
52nd Warmest Warmest since: 2020 2012
Ties: 1931, 1986
Nov 2020–Apr 2021
6-Month
42.5°F
(5.8°C)
40.8°F
(4.9°C)
1.7°F
(0.9°C)
98th Coolest Coolest since: 2019 1912
29th Warmest Warmest since: 2020 2012
Ties: 1972
Oct 2020–Apr 2021
7-Month
44.4°F
(6.9°C)
43.3°F
(6.3°C)
1.1°F
(0.6°C)
92nd Coolest Coolest since: 2019 1899, 1978
35th Warmest Warmest since: 2020 2012
Sep 2020–Apr 2021
8-Month
47.4°F
(8.6°C)
46.4°F
(8.0°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 2019 1918
37th Warmest Warmest since: 2020 2017
Ties: 1923, 1981, 2007, 2019
Aug 2020–Apr 2021
9-Month
50.5°F
(10.3°C)
49.8°F
(9.9°C)
0.7°F
(0.4°C)
85th Coolest Coolest since: 2018 1918
42nd Warmest Warmest since: 2020 2017
Ties: 1914, 1931, 1986
Jul 2020–Apr 2021
10-Month
53.4°F
(11.9°C)
52.6°F
(11.4°C)
0.8°F
(0.5°C)
89th Coolest Coolest since: 2019 1918
38th Warmest Warmest since: 2020 2012
Ties: 1909, 1914, 1925, 1953, 2013, 2019
Jun 2020–Apr 2021
11-Month
55.4°F
(13.0°C)
54.5°F
(12.5°C)
0.9°F
(0.5°C)
90th Coolest Coolest since: 2018 1918
37th Warmest Warmest since: 2020 2012, 2017
Ties: 1898, 1923, 1946, 1987, 2004, 2013
May 2020–Apr 2021
12-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
86th Coolest Coolest since: 2018 1918
41st Warmest Warmest since: 2020 2012, 2017
Ties: 1909, 1915, 1995, 2004
Nov 2019–Apr 2021
18-Month
51.7°F
(10.9°C)
50.5°F
(10.3°C)
1.2°F
(0.6°C)
102nd Coolest Coolest since: 2019 1979
24th Warmest Warmest since: 2020 2017
Ties: 1991, 2001
May 2019–Apr 2021
24-Month
56.6°F
(13.7°C)
55.3°F
(12.9°C)
1.3°F
(0.8°C)
108th Coolest Coolest since: 2019 1978
18th Warmest Warmest since: 2020 2017
Ties: 1923, 1938, 2008
May 2018–Apr 2021
36-Month
56.8°F
(13.8°C)
55.4°F
(13.0°C)
1.4°F
(0.8°C)
110th Coolest Coolest since: 2020 1979
15th Warmest Warmest since: 2019 2018
Ties: 1935
May 2017–Apr 2021
48-Month
56.5°F
(13.6°C)
55.4°F
(13.0°C)
1.1°F
(0.6°C)
105th Coolest Coolest since: 2017 1980
19th Warmest Warmest since: 2020 2019
Ties: 2017
May 2016–Apr 2021
60-Month
57.0°F
(13.9°C)
55.3°F
(12.9°C)
1.7°F
(1.0°C)
120th Coolest Coolest since: 2019 1980, 1981
3rd Warmest Warmest since: 2020 2020
Ties: 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published June 2021, retrieved on June 18, 2021 from https://www.ncdc.noaa.gov/cag/