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, May 1980

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1980
1-Month
65.0°F
(18.3°C)
65.1°F
(18.4°C)
-0.1°F
(-0.1°C)
56th Coolest Coolest since: 1979 1917, 1924
71st Warmest Warmest since: 1977 2018
Ties: 2011
Apr–May 1980
2-Month
59.2°F
(15.1°C)
60.1°F
(15.6°C)
-0.9°F
(-0.5°C)
36th Coolest Coolest since: 1979 1907
91st Warmest Warmest since: 1978 1896
Ties: 1947
Mar–May 1980
3-Month
52.9°F
(11.6°C)
55.0°F
(12.8°C)
-2.1°F
(-1.2°C)
13th Coolest Coolest since: 1971 1960
114th Warmest Warmest since: 1979 2012
Ties: 1906, 1923, 1943, 1950, 1993
Feb–May 1980
4-Month
46.6°F
(8.1°C)
49.9°F
(9.9°C)
-3.3°F
(-1.8°C)
7th Coolest Coolest since: 1979 1978
120th Warmest Warmest since: 1977 2012
Jan–May 1980
5-Month
43.7°F
(6.5°C)
46.2°F
(7.9°C)
-2.5°F
(-1.4°C)
11th Coolest Coolest since: 1979 1978
116th Warmest Warmest since: 1977 2012
Ties: 2014
Dec 1979–May 1980
6-Month
42.6°F
(5.9°C)
44.3°F
(6.8°C)
-1.7°F
(-0.9°C)
18th Coolest Coolest since: 1979 1978
108th Warmest Warmest since: 1977 2012
Ties: 1917, 1951, 1958, 1961
Nov 1979–May 1980
7-Month
42.7°F
(5.9°C)
44.3°F
(6.8°C)
-1.6°F
(-0.9°C)
19th Coolest Coolest since: 1979 1978
107th Warmest Warmest since: 1976 2012
Ties: 1958
Oct 1979–May 1980
8-Month
44.6°F
(7.0°C)
46.0°F
(7.8°C)
-1.4°F
(-0.8°C)
21st Coolest Coolest since: 1979 1978
105th Warmest Warmest since: 1976 2012
Ties: 1982
Sep 1979–May 1980
9-Month
47.1°F
(8.4°C)
48.5°F
(9.2°C)
-1.4°F
(-0.8°C)
18th Coolest Coolest since: 1979 1978
108th Warmest Warmest since: 1976 2012
Ties: 1940, 1982
Aug 1979–May 1980
10-Month
49.9°F
(9.9°C)
51.3°F
(10.7°C)
-1.4°F
(-0.8°C)
19th Coolest Coolest since: 1979 1978
107th Warmest Warmest since: 1976 2012
Ties: 1960
Jul 1979–May 1980
11-Month
52.3°F
(11.3°C)
53.7°F
(12.1°C)
-1.4°F
(-0.8°C)
14th Coolest Coolest since: 1979 1918
112th Warmest Warmest since: 1976 2012
Ties: 1936, 1960, 1993
Jun 1979–May 1980
12-Month
54.1°F
(12.3°C)
55.3°F
(12.9°C)
-1.2°F
(-0.6°C)
15th Coolest Coolest since: 1979 1904, 1918
111th Warmest Warmest since: 1976 2012
Ties: 1958, 1960
Dec 1978–May 1980
18-Month
49.4°F
(9.7°C)
51.7°F
(10.9°C)
-2.3°F
(-1.2°C)
4th Coolest Coolest since: 1979 1979
121st Warmest Warmest since: 1978 2017
Jun 1978–May 1980
24-Month
53.8°F
(12.1°C)
55.4°F
(13.0°C)
-1.6°F
(-0.9°C)
5th Coolest Coolest since: 1979 1905, 1978
120th Warmest Warmest since: 1977 2017
Jun 1977–May 1980
36-Month
53.5°F
(11.9°C)
55.4°F
(13.0°C)
-1.9°F
(-1.1°C)
2nd Coolest Coolest since: 1979 1979
122nd Warmest Warmest since: 1978 2018
Jun 1976–May 1980
48-Month
53.4°F
(11.9°C)
55.4°F
(13.0°C)
-2.0°F
(-1.1°C)
1st Coolest Coolest to Date 1980
122nd Warmest Warmest since: 1979 2019
Jun 1975–May 1980
60-Month
54.0°F
(12.2°C)
55.4°F
(13.0°C)
-1.4°F
(-0.8°C)
1st Coolest Coolest since: 1979 1979, 1980, 1981
121st Warmest Warmest since: 1979 2020
Ties: 1979, 1981

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on March 7, 2021 from https://www.ncdc.noaa.gov/cag/