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 1911

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1911
1-Month
67.6°F
(19.8°C)
62.1°F
(16.7°C)
5.5°F
(3.1°C)
118th Coolest Coolest since: 1910 1917
8th Warmest Warmest since: 1896 2018
Ties: 2007
Apr–May 1911
2-Month
58.3°F
(14.6°C)
56.8°F
(13.8°C)
1.5°F
(0.8°C)
94th Coolest Coolest since: 1910 1907
32nd Warmest Warmest since: 1906 1896
Ties: 1988, 2000
Mar–May 1911
3-Month
52.5°F
(11.4°C)
51.2°F
(10.7°C)
1.3°F
(0.7°C)
90th Coolest Coolest since: 1909 1960
36th Warmest Warmest since: 1910 2012
Ties: 1908, 1988, 2015
Feb–May 1911
4-Month
47.6°F
(8.7°C)
45.6°F
(7.6°C)
2.0°F
(1.1°C)
99th Coolest Coolest since: 1910 1978
27th Warmest Warmest since: 1896 2012
Ties: 1945, 2001, 2009
Jan–May 1911
5-Month
43.8°F
(6.6°C)
41.6°F
(5.3°C)
2.2°F
(1.3°C)
108th Coolest Coolest since: 1910 1978, 1979
18th Warmest Warmest since: 1896 2012
Ties: 1932, 1976, 1999
Dec 1910–May 1911
6-Month
40.8°F
(4.9°C)
39.6°F
(4.2°C)
1.2°F
(0.7°C)
91st Coolest Coolest since: 1910 1978
34th Warmest Warmest since: 1908 2012
Ties: 1995
Nov 1910–May 1911
7-Month
40.1°F
(4.5°C)
39.8°F
(4.3°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1910 1904
54th Warmest Warmest since: 1909 2012
Ties: 1909, 1964, 1973
Oct 1910–May 1911
8-Month
42.2°F
(5.7°C)
41.7°F
(5.4°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 1910 1904, 1978
45th Warmest Warmest since: 1903 2012
Ties: 1898, 1928, 1931, 1934, 2013
Sep 1910–May 1911
9-Month
44.8°F
(7.1°C)
44.4°F
(6.9°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 1910 1904
50th Warmest Warmest since: 1909 2012
Ties: 1903, 2013
Aug 1910–May 1911
10-Month
47.5°F
(8.6°C)
47.2°F
(8.4°C)
0.3°F
(0.2°C)
67th Coolest Coolest since: 1910 1904
58th Warmest Warmest since: 1909 2012
Ties: 1901, 1928, 1945
Jul 1910–May 1911
11-Month
50.1°F
(10.1°C)
49.9°F
(9.9°C)
0.2°F
(0.2°C)
69th Coolest Coolest since: 1910 1904
56th Warmest Warmest since: 1909 2012
Ties: 1933, 2019
Jun 1910–May 1911
12-Month
51.7°F
(10.9°C)
51.7°F
(10.9°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1910 1904
65th Warmest Warmest since: 1909 2012
Ties: 1900, 1901, 2010
Dec 1909–May 1911
18-Month
47.2°F
(8.4°C)
47.6°F
(8.7°C)
-0.4°F
(-0.3°C)
42nd Coolest Coolest since: 1908 1979
82nd Warmest Warmest since: 1910 2017
Ties: 1901, 1908, 1919, 1937, 1966
Jun 1909–May 1911
24-Month
51.4°F
(10.8°C)
51.7°F
(10.9°C)
-0.3°F
(-0.1°C)
41st Coolest Coolest since: 1910 1905
83rd Warmest Warmest since: 1910 2017
Ties: 1897, 1902, 1910, 1924, 1928, 1936, 1944, 1964, 1966, 1967, 1982
Jun 1908–May 1911
36-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
53rd Coolest Coolest since: 1910 1979
70th Warmest Warmest since: 1902 2018
Ties: 1902, 1994, 1998
Jun 1907–May 1911
48-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1910 1980
81st Warmest Warmest since: 1909 2019
Ties: 1909, 1914, 1921, 1931, 1953, 1966, 1983
Jun 1906–May 1911
60-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
42nd Coolest Coolest since: 1910 1906, 1907, 1908, 1981
79th Warmest Warmest to Date 2002
Ties: 1917, 1931, 1952, 1960, 1967, 1968, 1984

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/