Climate at a Glance

Statewide 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 September 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, May 1934

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1934
1-Month
67.2°F
(19.6°C)
62.1°F
(16.7°C)
5.1°F
(2.9°C)
114th Coolest Coolest since: 1933 1917
13th Warmest Warmest since: 1911 2018
Apr–May 1934
2-Month
59.6°F
(15.3°C)
56.8°F
(13.8°C)
2.8°F
(1.5°C)
110th Coolest Coolest since: 1933 1907
17th Warmest Warmest since: 1896 1896
Ties: 2006, 2015
Mar–May 1934
3-Month
51.7°F
(10.9°C)
51.1°F
(10.6°C)
0.6°F
(0.3°C)
75th Coolest Coolest since: 1933 1960
52nd Warmest Warmest since: 1930 2012
Ties: 1927, 1948, 1970
Feb–May 1934
4-Month
45.0°F
(7.2°C)
45.7°F
(7.6°C)
-0.7°F
(-0.4°C)
47th Coolest Coolest since: 1926 1978
80th Warmest Warmest since: 1933 2012
Ties: 1968
Jan–May 1934
5-Month
42.4°F
(5.8°C)
41.6°F
(5.3°C)
0.8°F
(0.5°C)
77th Coolest Coolest since: 1929 1978, 1979
50th Warmest Warmest since: 1933 2012
Dec 1933–May 1934
6-Month
40.9°F
(4.9°C)
39.6°F
(4.2°C)
1.3°F
(0.7°C)
93rd Coolest Coolest since: 1931 1978
33rd Warmest Warmest since: 1933 2012
Ties: 1908
Nov 1933–May 1934
7-Month
40.7°F
(4.8°C)
39.7°F
(4.3°C)
1.0°F
(0.5°C)
87th Coolest Coolest since: 1933 1904
39th Warmest Warmest since: 1932 2012
Ties: 1941, 1981, 1985, 1990
Oct 1933–May 1934
8-Month
42.2°F
(5.7°C)
41.6°F
(5.3°C)
0.6°F
(0.4°C)
80th Coolest Coolest since: 1933 1904, 1978
46th Warmest Warmest since: 1932 2012
Ties: 1898, 1911, 1928, 1931, 2013
Sep 1933–May 1934
9-Month
45.5°F
(7.5°C)
44.3°F
(6.8°C)
1.2°F
(0.7°C)
98th Coolest Coolest since: 1933 1904
28th Warmest Warmest since: 1932 2012
Ties: 1949, 1957, 1983, 2018
Aug 1933–May 1934
10-Month
48.2°F
(9.0°C)
47.2°F
(8.4°C)
1.0°F
(0.6°C)
91st Coolest Coolest since: 1933 1904
35th Warmest Warmest since: 1932 2012
Ties: 1931, 1964, 1985
Jul 1933–May 1934
11-Month
50.9°F
(10.5°C)
49.9°F
(9.9°C)
1.0°F
(0.6°C)
99th Coolest Coolest since: 1933 1904
27th Warmest Warmest since: 1932 2012
Ties: 1931, 1981
Jun 1933–May 1934
12-Month
53.1°F
(11.7°C)
51.6°F
(10.9°C)
1.5°F
(0.8°C)
107th Coolest Coolest since: 1933 1904
19th Warmest Warmest since: 1932 2012
Ties: 1935
Dec 1932–May 1934
18-Month
49.1°F
(9.5°C)
47.6°F
(8.7°C)
1.5°F
(0.8°C)
105th Coolest Coolest since: 1933 1979
20th Warmest Warmest since: 1932 2017
Jun 1932–May 1934
24-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
95th Coolest Coolest since: 1931 1905
30th Warmest Warmest since: 1933 2017
Ties: 1915, 2004
Jun 1931–May 1934
36-Month
53.5°F
(11.9°C)
51.7°F
(10.9°C)
1.8°F
(1.0°C)
119th Coolest Coolest since: 1933 1979
5th Warmest Warmest to Date 2018
Ties: 2012
Jun 1930–May 1934
48-Month
53.2°F
(11.8°C)
51.6°F
(10.9°C)
1.6°F
(0.9°C)
116th Coolest Coolest since: 1933 1980
7th Warmest Warmest to Date 2019
Ties: 2001, 2013
Jun 1929–May 1934
60-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
110th Coolest Coolest since: 1933 1906, 1907, 1908, 1981
12th Warmest Warmest to Date 2020
Ties: 2004, 2009

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 29, 2020 from https://www.ncdc.noaa.gov/cag/