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 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1981

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1981
1-Month
60.3°F
(15.7°C)
65.1°F
(18.4°C)
-4.8°F
(-2.7°C)
4th Coolest Coolest since: 1924 1917, 1924
122nd Warmest Warmest since: 1980 2018
Apr–May 1981
2-Month
61.2°F
(16.2°C)
60.1°F
(15.6°C)
1.1°F
(0.6°C)
80th Coolest Coolest since: 1980 1907
46th Warmest Warmest since: 1977 1896
Ties: 1963
Mar–May 1981
3-Month
55.7°F
(13.2°C)
55.0°F
(12.8°C)
0.7°F
(0.4°C)
77th Coolest Coolest since: 1980 1960
49th Warmest Warmest since: 1977 2012
Ties: 1939, 1972
Feb–May 1981
4-Month
51.0°F
(10.6°C)
49.9°F
(9.9°C)
1.1°F
(0.7°C)
83rd Coolest Coolest since: 1980 1978
43rd Warmest Warmest since: 1977 2012
Ties: 1985, 2019
Jan–May 1981
5-Month
46.8°F
(8.2°C)
46.2°F
(7.9°C)
0.6°F
(0.3°C)
76th Coolest Coolest since: 1980 1978
50th Warmest Warmest since: 1976 2012
Ties: 1950, 1957, 1995, 2010
Dec 1980–May 1981
6-Month
45.0°F
(7.2°C)
44.3°F
(6.8°C)
0.7°F
(0.4°C)
78th Coolest Coolest since: 1980 1978
47th Warmest Warmest since: 1976 2012
Ties: 1990
Nov 1980–May 1981
7-Month
44.8°F
(7.1°C)
44.3°F
(6.8°C)
0.5°F
(0.3°C)
73rd Coolest Coolest since: 1980 1978
52nd Warmest Warmest since: 1976 2012
Ties: 1933, 1965, 1989
Oct 1980–May 1981
8-Month
46.1°F
(7.8°C)
46.0°F
(7.8°C)
0.1°F
(0.0°C)
60th Coolest Coolest since: 1980 1978
65th Warmest Warmest since: 1976 2012
Ties: 1943, 1948
Sep 1980–May 1981
9-Month
48.9°F
(9.4°C)
48.6°F
(9.2°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1980 1978
51st Warmest Warmest since: 1976 2012
Ties: 1903, 1908, 1967, 1985, 1990, 2009, 2010, 2011
Aug 1980–May 1981
10-Month
52.1°F
(11.2°C)
51.3°F
(10.7°C)
0.8°F
(0.5°C)
87th Coolest Coolest since: 1980 1978
38th Warmest Warmest since: 1976 2012
Ties: 1948, 1986
Jul 1980–May 1981
11-Month
54.8°F
(12.7°C)
53.7°F
(12.1°C)
1.1°F
(0.6°C)
99th Coolest Coolest since: 1980 1918
26th Warmest Warmest since: 1974 2012
Ties: 1957, 2005
Jun 1980–May 1981
12-Month
56.4°F
(13.6°C)
55.3°F
(12.9°C)
1.1°F
(0.7°C)
96th Coolest Coolest since: 1980 1904, 1918
29th Warmest Warmest since: 1974 2012
Ties: 1914, 1938, 1957, 2008
Dec 1979–May 1981
18-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
69th Coolest Coolest since: 1980 1979
55th Warmest Warmest since: 1976 2017
Ties: 1910, 1920, 1926, 1949, 1990, 2010
Jun 1979–May 1981
24-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
45th Coolest Coolest since: 1980 1905, 1978
79th Warmest Warmest since: 1976 2017
Ties: 1911, 1916, 1924, 1926, 1927, 1948, 1958, 1966
Jun 1978–May 1981
36-Month
54.7°F
(12.6°C)
55.4°F
(13.0°C)
-0.7°F
(-0.4°C)
21st Coolest Coolest since: 1980 1979
102nd Warmest Warmest since: 1976 2018
Ties: 1899, 1901, 1930, 1952, 1961
Jun 1977–May 1981
48-Month
54.2°F
(12.3°C)
55.3°F
(12.9°C)
-1.1°F
(-0.6°C)
7th Coolest Coolest since: 1980 1980
115th Warmest Warmest since: 1978 2019
Ties: 1978
Jun 1976–May 1981
60-Month
54.0°F
(12.2°C)
55.4°F
(13.0°C)
-1.4°F
(-0.8°C)
1st Coolest Coolest since: 1980 1979, 1980, 1981
120th Warmest Warmest since: 1980 1935, 2019
Ties: 1979, 1980

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2020, retrieved on February 23, 2020 from https://www.ncdc.noaa.gov/cag/