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 December 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1979

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1979
1-Month
63.0°F
(17.2°C)
65.1°F
(18.4°C)
-2.1°F
(-1.2°C)
34th Coolest Coolest since: 1976 1917, 1924
92nd Warmest Warmest since: 1978 2018
Ties: 1947
Apr–May 1979
2-Month
58.3°F
(14.6°C)
60.2°F
(15.7°C)
-1.9°F
(-1.1°C)
21st Coolest Coolest since: 1973 1907
105th Warmest Warmest since: 1978 1896
Mar–May 1979
3-Month
53.7°F
(12.1°C)
55.0°F
(12.8°C)
-1.3°F
(-0.7°C)
34th Coolest Coolest since: 1978 1960
92nd Warmest Warmest since: 1977 2012
Ties: 2008
Feb–May 1979
4-Month
46.2°F
(7.9°C)
49.9°F
(9.9°C)
-3.7°F
(-2.0°C)
5th Coolest Coolest since: 1978 1978
121st Warmest Warmest since: 1977 2012
Ties: 1958
Jan–May 1979
5-Month
40.7°F
(4.8°C)
46.1°F
(7.8°C)
-5.4°F
(-3.0°C)
2nd Coolest Coolest since: 1978 1978
124th Warmest Warmest since: 1977 2012
Dec 1978–May 1979
6-Month
39.8°F
(4.3°C)
44.3°F
(6.8°C)
-4.5°F
(-2.5°C)
2nd Coolest Coolest since: 1978 1978
123rd Warmest Warmest since: 1977 2012
Nov 1978–May 1979
7-Month
40.9°F
(4.9°C)
44.3°F
(6.8°C)
-3.4°F
(-1.9°C)
5th Coolest Coolest since: 1978 1978
120th Warmest Warmest since: 1977 2012
Oct 1978–May 1979
8-Month
42.6°F
(5.9°C)
46.0°F
(7.8°C)
-3.4°F
(-1.9°C)
4th Coolest Coolest since: 1978 1978
121st Warmest Warmest since: 1977 2012
Sep 1978–May 1979
9-Month
45.8°F
(7.7°C)
48.5°F
(9.2°C)
-2.7°F
(-1.5°C)
5th Coolest Coolest since: 1978 1978
120th Warmest Warmest since: 1977 2012
Aug 1978–May 1979
10-Month
48.8°F
(9.3°C)
51.3°F
(10.7°C)
-2.5°F
(-1.4°C)
6th Coolest Coolest since: 1978 1978
119th Warmest Warmest since: 1976 2012
Jul 1978–May 1979
11-Month
51.5°F
(10.8°C)
53.7°F
(12.1°C)
-2.2°F
(-1.3°C)
7th Coolest Coolest since: 1978 1918
118th Warmest Warmest since: 1976 2012
Ties: 1912
Jun 1978–May 1979
12-Month
53.4°F
(11.9°C)
55.4°F
(13.0°C)
-2.0°F
(-1.1°C)
8th Coolest Coolest since: 1978 1904, 1918
117th Warmest Warmest since: 1976 2012
Ties: 1905
Dec 1977–May 1979
18-Month
48.6°F
(9.2°C)
51.7°F
(10.9°C)
-3.1°F
(-1.7°C)
1st Coolest Coolest to Date 1979
123rd Warmest Warmest since: 1978 2017
Jun 1977–May 1979
24-Month
53.2°F
(11.8°C)
55.4°F
(13.0°C)
-2.2°F
(-1.2°C)
3rd Coolest Coolest since: 1978 1905, 1978
121st Warmest Warmest since: 1977 2017
Jun 1976–May 1979
36-Month
53.1°F
(11.7°C)
55.4°F
(13.0°C)
-2.3°F
(-1.3°C)
1st Coolest Coolest to Date 1979
122nd Warmest Warmest since: 1978 2018
Jun 1975–May 1979
48-Month
53.9°F
(12.2°C)
55.3°F
(12.9°C)
-1.4°F
(-0.7°C)
2nd Coolest Coolest since: 1907 1980
120th Warmest Warmest since: 1978 2019
Ties: 1907
Jun 1974–May 1979
60-Month
54.0°F
(12.2°C)
55.3°F
(12.9°C)
-1.3°F
(-0.7°C)
1st Coolest Coolest to Date 1979, 1980, 1981
120th Warmest Warmest since: 1978 1935, 2019
Ties: 1980, 1981

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2020, retrieved on January 27, 2020 from https://www.ncdc.noaa.gov/cag/