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 1977

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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1977
1-Month
68.9°F
(20.5°C)
62.1°F
(16.7°C)
6.8°F
(3.8°C)
123rd Coolest Coolest since: 1976 1917
3rd Warmest Warmest since: 1962 2018
Ties: 1896
Apr–May 1977
2-Month
63.2°F
(17.3°C)
56.8°F
(13.8°C)
6.4°F
(3.5°C)
124th Coolest Coolest since: 1976 1907
2nd Warmest Warmest since: 1896 1896
Mar–May 1977
3-Month
57.4°F
(14.1°C)
51.1°F
(10.6°C)
6.3°F
(3.5°C)
124th Coolest Coolest since: 1976 1960
2nd Warmest Warmest to Date 2012
Feb–May 1977
4-Month
50.2°F
(10.1°C)
45.7°F
(7.6°C)
4.5°F
(2.5°C)
120th Coolest Coolest since: 1976 1978
6th Warmest Warmest since: 1921 2012
Ties: 1998
Jan–May 1977
5-Month
42.2°F
(5.7°C)
41.6°F
(5.3°C)
0.6°F
(0.4°C)
75th Coolest Coolest since: 1975 1978, 1979
51st Warmest Warmest since: 1976 2012
Ties: 1935, 2009
Dec 1976–May 1977
6-Month
39.0°F
(3.9°C)
39.5°F
(4.2°C)
-0.5°F
(-0.3°C)
42nd Coolest Coolest since: 1971 1978
83rd Warmest Warmest since: 1976 2012
Ties: 1965, 2001, 2011
Nov 1976–May 1977
7-Month
38.2°F
(3.4°C)
39.7°F
(4.3°C)
-1.5°F
(-0.9°C)
21st Coolest Coolest since: 1970 1904
104th Warmest Warmest since: 1976 2012
Ties: 1901, 1926
Oct 1976–May 1977
8-Month
39.5°F
(4.2°C)
41.6°F
(5.3°C)
-2.1°F
(-1.1°C)
11th Coolest Coolest since: 1960 1904, 1978
114th Warmest Warmest since: 1976 2012
Ties: 1960
Sep 1976–May 1977
9-Month
42.2°F
(5.7°C)
44.4°F
(6.9°C)
-2.2°F
(-1.2°C)
9th Coolest Coolest since: 1936 1904
116th Warmest Warmest since: 1976 2012
Aug 1976–May 1977
10-Month
45.0°F
(7.2°C)
47.2°F
(8.4°C)
-2.2°F
(-1.2°C)
7th Coolest Coolest since: 1918 1904
118th Warmest Warmest since: 1976 2012
Ties: 2014
Jul 1976–May 1977
11-Month
47.8°F
(8.8°C)
49.9°F
(9.9°C)
-2.1°F
(-1.1°C)
9th Coolest Coolest since: 1951 1904
116th Warmest Warmest since: 1976 2012
Ties: 1905
Jun 1976–May 1977
12-Month
49.7°F
(9.8°C)
51.6°F
(10.9°C)
-1.9°F
(-1.1°C)
10th Coolest Coolest since: 1951 1904
115th Warmest Warmest since: 1976 2012
Dec 1975–May 1977
18-Month
47.1°F
(8.4°C)
47.6°F
(8.7°C)
-0.5°F
(-0.3°C)
37th Coolest Coolest since: 1971 1979
87th Warmest Warmest since: 1976 2017
Ties: 1925, 1926, 1969, 1985
Jun 1975–May 1977
24-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
38th Coolest Coolest since: 1971 1905
86th Warmest Warmest since: 1976 2017
Ties: 1903, 1916
Jun 1974–May 1977
36-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1971 1979
90th Warmest Warmest since: 1976 2018
Ties: 1900, 1908, 1929, 1982, 1995
Jun 1973–May 1977
48-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1973 1980
67th Warmest Warmest since: 1976 2019
Ties: 1951
Jun 1972–May 1977
60-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
53rd Coolest Coolest since: 1973 1906, 1907, 1908, 1981
68th Warmest Warmest since: 1976 2002
Ties: 1926, 1947, 1953, 1996, 1998

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/