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 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, May 1987

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1987
1-Month
68.2°F
(20.1°C)
62.1°F
(16.7°C)
6.1°F
(3.4°C)
121st Coolest Coolest since: 1986 1917
6th Warmest Warmest since: 1977 2018
Apr–May 1987
2-Month
60.7°F
(15.9°C)
56.8°F
(13.8°C)
3.9°F
(2.1°C)
118th Coolest Coolest since: 1986 1907
9th Warmest Warmest since: 1977 1896
Mar–May 1987
3-Month
55.3°F
(12.9°C)
51.2°F
(10.7°C)
4.1°F
(2.2°C)
121st Coolest Coolest since: 1986 1960
6th Warmest Warmest since: 1977 2012
Ties: 2007
Feb–May 1987
4-Month
50.4°F
(10.2°C)
45.7°F
(7.6°C)
4.7°F
(2.6°C)
123rd Coolest Coolest since: 1986 1978
4th Warmest Warmest since: 1921 2012
Ties: 1921
Jan–May 1987
5-Month
45.6°F
(7.6°C)
41.6°F
(5.3°C)
4.0°F
(2.3°C)
121st Coolest Coolest since: 1986 1978, 1979
6th Warmest Warmest since: 1921 2012
Dec 1986–May 1987
6-Month
43.3°F
(6.3°C)
39.6°F
(4.2°C)
3.7°F
(2.1°C)
119th Coolest Coolest since: 1986 1978
7th Warmest Warmest since: 1921 2012
Nov 1986–May 1987
7-Month
42.5°F
(5.8°C)
39.7°F
(4.3°C)
2.8°F
(1.5°C)
113th Coolest Coolest since: 1986 1904
13th Warmest Warmest since: 1932 2012
Ties: 2005, 2007
Oct 1986–May 1987
8-Month
44.1°F
(6.7°C)
41.6°F
(5.3°C)
2.5°F
(1.4°C)
113th Coolest Coolest since: 1986 1904, 1978
13th Warmest Warmest since: 1976 2012
Ties: 2004, 2005
Sep 1986–May 1987
9-Month
46.9°F
(8.3°C)
44.4°F
(6.9°C)
2.5°F
(1.4°C)
115th Coolest Coolest since: 1986 1904
11th Warmest Warmest since: 1932 2012
Ties: 2002
Aug 1986–May 1987
10-Month
49.2°F
(9.6°C)
47.3°F
(8.5°C)
1.9°F
(1.1°C)
111th Coolest Coolest since: 1986 1904
15th Warmest Warmest since: 1954 2012
Ties: 2004
Jul 1986–May 1987
11-Month
51.8°F
(11.0°C)
49.9°F
(9.9°C)
1.9°F
(1.1°C)
115th Coolest Coolest since: 1986 1904
11th Warmest Warmest since: 1954 2012
Ties: 1939, 1942, 1954, 1998
Jun 1986–May 1987
12-Month
53.5°F
(11.9°C)
51.6°F
(10.9°C)
1.9°F
(1.0°C)
114th Coolest Coolest since: 1986 1904
12th Warmest Warmest since: 1955 2012
Ties: 1942, 1991, 1992
Dec 1985–May 1987
18-Month
49.0°F
(9.4°C)
47.6°F
(8.7°C)
1.4°F
(0.7°C)
104th Coolest Coolest since: 1986 1979
21st Warmest Warmest since: 1955 2017
Ties: 1933, 1935, 2008
Jun 1985–May 1987
24-Month
52.6°F
(11.4°C)
51.7°F
(10.9°C)
0.9°F
(0.5°C)
100th Coolest Coolest since: 1986 1905
25th Warmest Warmest since: 1956 2017
Ties: 1923, 1938, 2016, 2020
Jun 1984–May 1987
36-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
95th Coolest Coolest since: 1986 1979
29th Warmest Warmest since: 1957 2018
Ties: 1954, 1988, 2020
Jun 1983–May 1987
48-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
86th Coolest Coolest since: 1986 1980
37th Warmest Warmest since: 1958 2019
Ties: 1937, 1944, 1958, 1999, 2010, 2015
Jun 1982–May 1987
60-Month
52.1°F
(11.2°C)
51.5°F
(10.8°C)
0.6°F
(0.4°C)
74th Coolest Coolest since: 1986 1906, 1907, 1908, 1981
48th Warmest Warmest since: 1976 2020
Ties: 1937, 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 28, 2020 from https://www.ncdc.noaa.gov/cag/