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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 1991

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 1991
1-Month
59.2°F
(15.1°C)
55.3°F
(12.9°C)
3.9°F
(2.2°C)
114th Coolest Coolest since: 1990 1907
13th Warmest Warmest since: 1981 1896
Ties: 1967
Mar–Apr 1991
2-Month
54.0°F
(12.2°C)
50.0°F
(10.0°C)
4.0°F
(2.2°C)
114th Coolest Coolest since: 1990 1926, 1960
13th Warmest Warmest since: 1985 2012
Ties: 1985, 2006
Feb–Apr 1991
3-Month
49.2°F
(9.6°C)
45.0°F
(7.2°C)
4.2°F
(2.4°C)
117th Coolest Coolest since: 1990 1899
10th Warmest Warmest since: 1976 2012
Jan–Apr 1991
4-Month
44.1°F
(6.7°C)
41.5°F
(5.3°C)
2.6°F
(1.4°C)
107th Coolest Coolest since: 1989 1978
20th Warmest Warmest since: 1990 2012
Ties: 1927
Dec 1990–Apr 1991
5-Month
42.4°F
(5.8°C)
40.1°F
(4.5°C)
2.3°F
(1.3°C)
104th Coolest Coolest since: 1990 1978
22nd Warmest Warmest since: 1976 2012
Ties: 1925
Nov 1990–Apr 1991
6-Month
43.8°F
(6.6°C)
40.9°F
(4.9°C)
2.9°F
(1.7°C)
115th Coolest Coolest since: 1990 1912
11th Warmest Warmest since: 1976 2012
Ties: 1999
Oct 1990–Apr 1991
7-Month
45.4°F
(7.4°C)
43.2°F
(6.2°C)
2.2°F
(1.2°C)
107th Coolest Coolest since: 1990 1899, 1978
19th Warmest Warmest since: 1976 2012
Ties: 2004
Sep 1990–Apr 1991
8-Month
48.6°F
(9.2°C)
46.5°F
(8.1°C)
2.1°F
(1.1°C)
110th Coolest Coolest since: 1990 1918
16th Warmest Warmest since: 1974 2017
Aug 1990–Apr 1991
9-Month
51.5°F
(10.8°C)
49.8°F
(9.9°C)
1.7°F
(0.9°C)
107th Coolest Coolest since: 1990 1918
19th Warmest Warmest since: 1976 2017
Ties: 1946, 2005, 2008
Jul 1990–Apr 1991
10-Month
54.0°F
(12.2°C)
52.6°F
(11.4°C)
1.4°F
(0.8°C)
106th Coolest Coolest since: 1990 1918
20th Warmest Warmest since: 1981 2012
Ties: 2004
Jun 1990–Apr 1991
11-Month
55.9°F
(13.3°C)
54.5°F
(12.5°C)
1.4°F
(0.8°C)
105th Coolest Coolest since: 1990 1918
21st Warmest Warmest since: 1981 2012, 2017
Ties: 1953, 1976
May 1990–Apr 1991
12-Month
56.4°F
(13.6°C)
55.4°F
(13.0°C)
1.0°F
(0.6°C)
94th Coolest Coolest since: 1990 1918
32nd Warmest Warmest since: 1987 2012, 2017
Ties: 1914, 1923, 1938, 1987
Nov 1989–Apr 1991
18-Month
51.7°F
(10.9°C)
50.6°F
(10.3°C)
1.1°F
(0.6°C)
101st Coolest Coolest since: 1990 1979
24th Warmest Warmest since: 1955 2017
Ties: 2001
May 1989–Apr 1991
24-Month
55.9°F
(13.3°C)
55.4°F
(13.0°C)
0.5°F
(0.3°C)
86th Coolest Coolest since: 1990 1978
39th Warmest Warmest since: 1989 2017
Ties: 1953, 2004
May 1988–Apr 1991
36-Month
55.9°F
(13.3°C)
55.3°F
(12.9°C)
0.6°F
(0.4°C)
86th Coolest Coolest since: 1990 1979
38th Warmest Warmest since: 1989 2018
Ties: 1936, 1937, 1942, 1976, 1993, 2003
May 1987–Apr 1991
48-Month
56.0°F
(13.3°C)
55.4°F
(13.0°C)
0.6°F
(0.3°C)
87th Coolest Coolest since: 1990 1980
36th Warmest Warmest since: 1990 2019
Ties: 1990, 2004
May 1986–Apr 1991
60-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
92nd Coolest Coolest since: 1990 1980, 1981
30th Warmest Warmest since: 1958 2020
Ties: 1925, 1937, 1941, 1955, 2000, 2005, 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on March 1, 2021 from https://www.ncdc.noaa.gov/cag/