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


Illinois, Climate Division 6. West Southwest

Average Temperature Rankings, May 1921

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1921
1-Month
65.0°F
(18.3°C)
63.5°F
(17.5°C)
1.5°F
(0.8°C)
86th Coolest Coolest since: 1920 1924
40th Warmest Warmest since: 1918 2018
Apr–May 1921
2-Month
59.9°F
(15.5°C)
58.3°F
(14.6°C)
1.6°F
(0.9°C)
98th Coolest Coolest since: 1920 1907
28th Warmest Warmest since: 1906 1896
Ties: 1963
Mar–May 1921
3-Month
56.7°F
(13.7°C)
52.7°F
(11.5°C)
4.0°F
(2.2°C)
120th Coolest Coolest since: 1920 1960
6th Warmest Warmest to Date 2012
Feb–May 1921
4-Month
51.9°F
(11.1°C)
47.4°F
(8.6°C)
4.5°F
(2.5°C)
122nd Coolest Coolest since: 1920 1978
4th Warmest Warmest to Date 2012
Jan–May 1921
5-Month
48.3°F
(9.1°C)
43.3°F
(6.3°C)
5.0°F
(2.8°C)
123rd Coolest Coolest since: 1920 1978
3rd Warmest Warmest to Date 2012
Dec 1920–May 1921
6-Month
45.7°F
(7.6°C)
41.3°F
(5.2°C)
4.4°F
(2.4°C)
123rd Coolest Coolest since: 1920 1978
2nd Warmest Warmest to Date 2012
Nov 1920–May 1921
7-Month
44.8°F
(7.1°C)
41.5°F
(5.3°C)
3.3°F
(1.8°C)
118th Coolest Coolest since: 1920 1904
7th Warmest Warmest to Date 2012
Ties: 2002
Oct 1920–May 1921
8-Month
46.6°F
(8.1°C)
43.2°F
(6.2°C)
3.4°F
(1.9°C)
119th Coolest Coolest since: 1920 1978
6th Warmest Warmest to Date 2012
Sep 1920–May 1921
9-Month
49.1°F
(9.5°C)
45.9°F
(7.7°C)
3.2°F
(1.8°C)
119th Coolest Coolest since: 1920 1904
6th Warmest Warmest to Date 2012
Aug 1920–May 1921
10-Month
51.4°F
(10.8°C)
48.8°F
(9.3°C)
2.6°F
(1.5°C)
118th Coolest Coolest since: 1920 1904
7th Warmest Warmest to Date 2012
Ties: 1999
Jul 1920–May 1921
11-Month
53.6°F
(12.0°C)
51.4°F
(10.8°C)
2.2°F
(1.2°C)
116th Coolest Coolest since: 1920 1904
9th Warmest Warmest to Date 2012
Jun 1920–May 1921
12-Month
55.1°F
(12.8°C)
53.1°F
(11.7°C)
2.0°F
(1.1°C)
115th Coolest Coolest since: 1920 1904
10th Warmest Warmest to Date 2012
Ties: 1991
Dec 1919–May 1921
18-Month
49.5°F
(9.7°C)
49.2°F
(9.6°C)
0.3°F
(0.1°C)
74th Coolest Coolest since: 1920 1979
50th Warmest Warmest since: 1915 2017
Ties: 1943, 1986, 1989, 1995
Jun 1919–May 1921
24-Month
53.6°F
(12.0°C)
53.2°F
(11.8°C)
0.4°F
(0.2°C)
85th Coolest Coolest since: 1920 1905
39th Warmest Warmest since: 1915 2017
Ties: 1914, 1974, 1989
Jun 1918–May 1921
36-Month
53.7°F
(12.1°C)
53.1°F
(11.7°C)
0.6°F
(0.4°C)
86th Coolest Coolest since: 1920 1979
37th Warmest Warmest to Date 2018
Ties: 1940, 1941, 1942, 1950
Jun 1917–May 1921
48-Month
52.8°F
(11.6°C)
53.1°F
(11.7°C)
-0.3°F
(-0.1°C)
34th Coolest Coolest since: 1920 1980
88th Warmest Warmest since: 1917 2019
Ties: 1901, 1909, 1910, 1914, 1931, 1952, 1973
Jun 1916–May 1921
60-Month
52.7°F
(11.5°C)
53.1°F
(11.7°C)
-0.4°F
(-0.2°C)
28th Coolest Coolest since: 1920 1906, 1907, 1908
93rd Warmest Warmest since: 1917 1957
Ties: 1900, 1901, 1962, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/