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 1900

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1900
1-Month
63.9°F
(17.7°C)
62.1°F
(16.7°C)
1.8°F
(1.0°C)
85th Coolest Coolest since: 1899 1917
42nd Warmest Warmest since: 1896 2018
Ties: 2013
Apr–May 1900
2-Month
58.1°F
(14.5°C)
56.8°F
(13.8°C)
1.3°F
(0.7°C)
90th Coolest Coolest since: 1899 1907
37th Warmest Warmest since: 1896 1896
Mar–May 1900
3-Month
50.0°F
(10.0°C)
51.1°F
(10.6°C)
-1.1°F
(-0.6°C)
39th Coolest Coolest since: 1899 1960
88th Warmest Warmest since: 1898 2012
Ties: 1913, 1979
Feb–May 1900
4-Month
43.1°F
(6.2°C)
45.7°F
(7.6°C)
-2.6°F
(-1.4°C)
15th Coolest Coolest since: 1899 1978
112th Warmest Warmest since: 1898 2012
Jan–May 1900
5-Month
40.5°F
(4.7°C)
41.6°F
(5.3°C)
-1.1°F
(-0.6°C)
32nd Coolest Coolest since: 1899 1978, 1979
95th Warmest Warmest since: 1898 2012
Ties: 2008, 2015
Dec 1899–May 1900
6-Month
38.3°F
(3.5°C)
39.6°F
(4.2°C)
-1.3°F
(-0.7°C)
25th Coolest Coolest since: 1899 1978
101st Warmest Warmest since: 1898 2012
Nov 1899–May 1900
7-Month
39.2°F
(4.0°C)
39.7°F
(4.3°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1899 1904
86th Warmest Warmest since: 1898 2012
Ties: 1907, 1915, 1937, 1956, 2008
Oct 1899–May 1900
8-Month
41.6°F
(5.3°C)
41.6°F
(5.3°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1899 1904, 1978
71st Warmest Warmest since: 1898 2012
Ties: 1913, 1923, 1927, 1944, 1952, 2009
Sep 1899–May 1900
9-Month
44.2°F
(6.8°C)
44.4°F
(6.9°C)
-0.2°F
(-0.1°C)
50th Coolest Coolest since: 1899 1904
76th Warmest Warmest since: 1898 2012
Ties: 1937, 1947, 1961, 1967, 1989
Aug 1899–May 1900
10-Month
47.3°F
(8.5°C)
47.3°F
(8.5°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1899 1904
69th Warmest Warmest since: 1898 2012
Jul 1899–May 1900
11-Month
49.8°F
(9.9°C)
49.9°F
(9.9°C)
-0.1°F
(0.0°C)
56th Coolest Coolest since: 1899 1904
70th Warmest Warmest since: 1898 2012
Ties: 1944, 2010
Jun 1899–May 1900
12-Month
51.7°F
(10.9°C)
51.7°F
(10.9°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1899 1904
66th Warmest Warmest since: 1898 2012
Ties: 1901, 1911, 2010
Dec 1898–May 1900
18-Month
46.5°F
(8.1°C)
47.6°F
(8.7°C)
-1.1°F
(-0.6°C)
16th Coolest Coolest since: 1899 1979
109th Warmest Warmest since: 1898 2017
Ties: 1906, 1916, 1917
Jun 1898–May 1900
24-Month
50.6°F
(10.3°C)
51.6°F
(10.9°C)
-1.0°F
(-0.6°C)
13th Coolest Coolest to Date 1905
112th Warmest Warmest since: 1899 2017
Ties: 1912, 1919, 1969, 1970, 1971, 1997
Jun 1897–May 1900
36-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1899 1979
91st Warmest Warmest since: 1898 2018
Ties: 1908, 1929, 1977, 1982, 1995
Jun 1896–May 1900
48-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
24th Coolest Coolest to Date 1980
99th Warmest Warmest since: 1899 2019
Ties: 1927, 1930, 1968, 1996, 1997
Jun 1895–May 1900
60-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest to Date 1906, 1907, 1908, 1981
88th Warmest Warmest to Date 2020
Ties: 1902, 1910, 1914, 1916, 1965, 1966, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 22, 2020 from https://www.ncdc.noaa.gov/cag/