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, May 2001

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 2001
1-Month
67.2°F
(19.6°C)
65.1°F
(18.4°C)
2.1°F
(1.2°C)
97th Coolest Coolest since: 1999 1917, 1924
30th Warmest Warmest since: 2000 2018
Apr–May 2001
2-Month
64.4°F
(18.0°C)
60.1°F
(15.6°C)
4.3°F
(2.4°C)
122nd Coolest Coolest since: 2000 1907
5th Warmest Warmest since: 1991 1896
Ties: 2010
Mar–May 2001
3-Month
56.6°F
(13.7°C)
55.0°F
(12.8°C)
1.6°F
(0.9°C)
94th Coolest Coolest since: 1999 1960
33rd Warmest Warmest since: 2000 2012
Ties: 1903
Feb–May 2001
4-Month
52.0°F
(11.1°C)
50.0°F
(10.0°C)
2.0°F
(1.1°C)
103rd Coolest Coolest since: 1997 1978
24th Warmest Warmest since: 2000 2012
Ties: 2006
Jan–May 2001
5-Month
47.6°F
(8.7°C)
46.2°F
(7.9°C)
1.4°F
(0.8°C)
90th Coolest Coolest since: 1997 1978
37th Warmest Warmest since: 2000 2012
Ties: 1944
Dec 2000–May 2001
6-Month
43.4°F
(6.3°C)
44.2°F
(6.8°C)
-0.8°F
(-0.5°C)
35th Coolest Coolest since: 1996 1978
91st Warmest Warmest since: 2000 2012
Ties: 1906, 1928, 1929, 1977
Nov 2000–May 2001
7-Month
43.3°F
(6.3°C)
44.3°F
(6.8°C)
-1.0°F
(-0.5°C)
29th Coolest Coolest since: 1997 1978
97th Warmest Warmest since: 2000 2012
Ties: 1971, 1993, 1997
Oct 2000–May 2001
8-Month
45.5°F
(7.5°C)
46.0°F
(7.8°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1997 1978
86th Warmest Warmest since: 2000 2012
Sep 2000–May 2001
9-Month
48.0°F
(8.9°C)
48.5°F
(9.2°C)
-0.5°F
(-0.3°C)
37th Coolest Coolest since: 1997 1978
89th Warmest Warmest since: 2000 2012
Ties: 1915, 1971
Aug 2000–May 2001
10-Month
51.0°F
(10.6°C)
51.3°F
(10.7°C)
-0.3°F
(-0.1°C)
41st Coolest Coolest since: 1997 1978
85th Warmest Warmest since: 2000 2012
Ties: 1913, 1930
Jul 2000–May 2001
11-Month
53.2°F
(11.8°C)
53.7°F
(12.1°C)
-0.5°F
(-0.3°C)
38th Coolest Coolest since: 1997 1918
88th Warmest Warmest since: 2000 2012
Ties: 1917, 1947
Jun 2000–May 2001
12-Month
54.9°F
(12.7°C)
55.4°F
(13.0°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1997 1904, 1918
86th Warmest Warmest since: 2000 2012
Ties: 1902, 1926, 1930, 1962
Dec 1999–May 2001
18-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
94th Coolest Coolest since: 1998 1979
31st Warmest Warmest since: 2000 2017
Ties: 1923
Jun 1999–May 2001
24-Month
56.4°F
(13.6°C)
55.4°F
(13.0°C)
1.0°F
(0.6°C)
102nd Coolest Coolest since: 1998 1905, 1978
23rd Warmest Warmest since: 2000 2017
Ties: 1934, 2005, 2016, 2019
Jun 1998–May 2001
36-Month
56.8°F
(13.8°C)
55.3°F
(12.9°C)
1.5°F
(0.9°C)
110th Coolest Coolest since: 1999 1979
14th Warmest Warmest since: 2000 2018
Jun 1997–May 2001
48-Month
56.7°F
(13.7°C)
55.3°F
(12.9°C)
1.4°F
(0.8°C)
110th Coolest Coolest since: 2000 1980
13th Warmest Warmest since: 1957 2019
Ties: 1955, 2009, 2014
Jun 1996–May 2001
60-Month
56.3°F
(13.5°C)
55.4°F
(13.0°C)
0.9°F
(0.5°C)
100th Coolest Coolest since: 2000 1979, 1980, 1981
22nd Warmest Warmest since: 1957 2020

Citing This Page

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