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


Illinois

Average Temperature Rankings, May 1908

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1908
1-Month
62.5°F
(16.9°C)
62.1°F
(16.7°C)
0.4°F
(0.2°C)
65th Coolest Coolest since: 1907 1917
61st Warmest Warmest since: 1906 2018
Ties: 1905, 2019
Apr–May 1908
2-Month
57.0°F
(13.9°C)
56.8°F
(13.8°C)
0.2°F
(0.1°C)
58th Coolest Coolest since: 1907 1907
68th Warmest Warmest since: 1906 1896
Ties: 1936, 1960, 2013
Mar–May 1908
3-Month
52.5°F
(11.4°C)
51.1°F
(10.6°C)
1.4°F
(0.8°C)
90th Coolest Coolest since: 1907 1960
36th Warmest Warmest since: 1905 2012
Ties: 1911, 1988, 2015
Feb–May 1908
4-Month
46.3°F
(7.9°C)
45.7°F
(7.6°C)
0.6°F
(0.3°C)
78th Coolest Coolest since: 1907 1978
48th Warmest Warmest since: 1903 2012
Ties: 1932, 1962
Jan–May 1908
5-Month
42.6°F
(5.9°C)
41.6°F
(5.3°C)
1.0°F
(0.6°C)
83rd Coolest Coolest since: 1907 1978, 1979
43rd Warmest Warmest since: 1896 2012
Ties: 1942, 1981
Dec 1907–May 1908
6-Month
40.9°F
(4.9°C)
39.6°F
(4.2°C)
1.3°F
(0.7°C)
93rd Coolest Coolest since: 1907 1978
32nd Warmest Warmest since: 1896 2012
Ties: 1934
Nov 1907–May 1908
7-Month
40.5°F
(4.7°C)
39.7°F
(4.3°C)
0.8°F
(0.4°C)
82nd Coolest Coolest since: 1907 1904
43rd Warmest Warmest since: 1903 2012
Ties: 1957, 1972
Oct 1907–May 1908
8-Month
41.9°F
(5.5°C)
41.6°F
(5.3°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1907 1904, 1978
53rd Warmest Warmest since: 1903 2012
Ties: 1933
Sep 1907–May 1908
9-Month
44.4°F
(6.9°C)
44.3°F
(6.8°C)
0.1°F
(0.1°C)
57th Coolest Coolest since: 1907 1904
68th Warmest Warmest since: 1903 2012
Ties: 1916, 1927, 1933, 1966, 1973
Aug 1907–May 1908
10-Month
47.2°F
(8.4°C)
47.3°F
(8.5°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1907 1904
76th Warmest Warmest since: 1907 2012
Ties: 1907, 1913, 1915, 1961, 1973, 2001, 2009
Jul 1907–May 1908
11-Month
49.7°F
(9.8°C)
49.8°F
(9.9°C)
-0.1°F
(-0.1°C)
50th Coolest Coolest since: 1907 1904
75th Warmest Warmest since: 1903 2012
Ties: 1913, 1925, 1967, 1973, 2009
Jun 1907–May 1908
12-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
41st Coolest Coolest since: 1907 1904
84th Warmest Warmest since: 1907 2012
Ties: 1902, 1906, 1907, 1913, 1947, 1961, 1984, 2001
Dec 1906–May 1908
18-Month
47.2°F
(8.4°C)
47.6°F
(8.7°C)
-0.4°F
(-0.3°C)
42nd Coolest Coolest since: 1906 1979
82nd Warmest Warmest since: 1907 2017
Ties: 1901, 1911, 1919, 1937, 1966
Jun 1906–May 1908
24-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
34th Coolest Coolest since: 1907 1905
90th Warmest Warmest since: 1907 2017
Ties: 1907, 1937, 1962
Jun 1905–May 1908
36-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1907 1979
90th Warmest Warmest since: 1903 2018
Ties: 1900, 1929, 1977, 1982, 1995
Jun 1904–May 1908
48-Month
50.8°F
(10.4°C)
51.6°F
(10.9°C)
-0.8°F
(-0.5°C)
14th Coolest Coolest since: 1907 1980
108th Warmest Warmest since: 1903 2019
Ties: 1963, 1982
Jun 1903–May 1908
60-Month
50.3°F
(10.2°C)
51.6°F
(10.9°C)
-1.3°F
(-0.7°C)
1st Coolest Coolest since: 1907 1906, 1907, 1908, 1981
120th Warmest Warmest since: 1907 2002
Ties: 1906, 1907, 1981

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/