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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 2001

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
April 2001
1-Month
61.7°F
(16.5°C)
55.3°F
(12.9°C)
6.4°F
(3.6°C)
125th Coolest Coolest since: 2000 1907
3rd Warmest Warmest since: 1981 1896
Mar–Apr 2001
2-Month
51.4°F
(10.8°C)
50.0°F
(10.0°C)
1.4°F
(0.8°C)
85th Coolest Coolest since: 1999 1926, 1960
43rd Warmest Warmest since: 2000 2012
Ties: 1922, 1964
Feb–Apr 2001
3-Month
46.9°F
(8.3°C)
45.0°F
(7.2°C)
1.9°F
(1.1°C)
95th Coolest Coolest since: 1997 1899
33rd Warmest Warmest since: 2000 2012
Ties: 1957
Jan–Apr 2001
4-Month
42.7°F
(5.9°C)
41.5°F
(5.3°C)
1.2°F
(0.6°C)
86th Coolest Coolest since: 1997 1978
42nd Warmest Warmest since: 2000 2012
Ties: 1907, 1910
Dec 2000–Apr 2001
5-Month
38.7°F
(3.7°C)
40.1°F
(4.5°C)
-1.4°F
(-0.8°C)
28th Coolest Coolest since: 1996 1978
99th Warmest Warmest since: 2000 2012
Nov 2000–Apr 2001
6-Month
39.3°F
(4.1°C)
40.8°F
(4.9°C)
-1.5°F
(-0.8°C)
24th Coolest Coolest since: 1996 1912
103rd Warmest Warmest since: 2000 2012
Ties: 1926
Oct 2000–Apr 2001
7-Month
42.4°F
(5.8°C)
43.3°F
(6.3°C)
-0.9°F
(-0.5°C)
30th Coolest Coolest since: 1996 1899, 1978
97th Warmest Warmest since: 2000 2012
Ties: 1937
Sep 2000–Apr 2001
8-Month
45.6°F
(7.6°C)
46.5°F
(8.1°C)
-0.9°F
(-0.5°C)
32nd Coolest Coolest since: 1996 1918
95th Warmest Warmest since: 2000 2017
Ties: 1906
Aug 2000–Apr 2001
9-Month
49.2°F
(9.6°C)
49.8°F
(9.9°C)
-0.6°F
(-0.3°C)
33rd Coolest Coolest since: 1997 1918
94th Warmest Warmest since: 2000 2017
Ties: 1944, 1965
Jul 2000–Apr 2001
10-Month
51.8°F
(11.0°C)
52.5°F
(11.4°C)
-0.7°F
(-0.4°C)
31st Coolest Coolest since: 1997 1918
96th Warmest Warmest since: 2000 2012
Jun 2000–Apr 2001
11-Month
53.8°F
(12.1°C)
54.5°F
(12.5°C)
-0.7°F
(-0.4°C)
32nd Coolest Coolest since: 1997 1918
95th Warmest Warmest since: 2000 2012, 2017
Ties: 1920, 1926, 1984
May 2000–Apr 2001
12-Month
55.0°F
(12.8°C)
55.4°F
(13.0°C)
-0.4°F
(-0.2°C)
42nd Coolest Coolest since: 1997 1918
85th Warmest Warmest since: 2000 2012, 2017
Ties: 1963, 1973, 1994
Nov 1999–Apr 2001
18-Month
51.7°F
(10.9°C)
50.5°F
(10.3°C)
1.2°F
(0.6°C)
102nd Coolest Coolest since: 1998 1979
24th Warmest Warmest since: 2000 2017
Ties: 1991, 2021
May 1999–Apr 2001
24-Month
56.3°F
(13.5°C)
55.3°F
(12.9°C)
1.0°F
(0.6°C)
99th Coolest Coolest since: 1998 1978
27th Warmest Warmest since: 2000 2017
Ties: 1934, 1943, 1956, 1988
May 1998–Apr 2001
36-Month
56.9°F
(13.8°C)
55.4°F
(13.0°C)
1.5°F
(0.8°C)
113th Coolest Coolest since: 1999 1979
12th Warmest Warmest since: 2000 2018
Ties: 1956, 2006
May 1997–Apr 2001
48-Month
56.6°F
(13.7°C)
55.3°F
(12.9°C)
1.3°F
(0.8°C)
110th Coolest Coolest since: 2000 1980
14th Warmest Warmest since: 2000 2019
Ties: 2000, 2006, 2009, 2012
May 1996–Apr 2001
60-Month
56.3°F
(13.5°C)
55.4°F
(13.0°C)
0.9°F
(0.5°C)
102nd Coolest Coolest since: 2000 1980, 1981
21st Warmest Warmest since: 1992 2020
Ties: 1923, 1992, 2004, 2010

Citing This Page

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