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 December 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, August 1986

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 1986
1-Month
69.6°F
(20.9°C)
73.4°F
(23.0°C)
-3.8°F
(-2.1°C)
7th Coolest Coolest since: 1967 1915
120th Warmest Warmest since: 1985 1947
Ties: 1946
Jul–Aug 1986
2-Month
73.6°F
(23.1°C)
74.4°F
(23.6°C)
-0.8°F
(-0.5°C)
41st Coolest Coolest since: 1985 1915
86th Warmest Warmest since: 1984 1936
Ties: 1907, 1961
Jun–Aug 1986
3-Month
73.4°F
(23.0°C)
73.5°F
(23.1°C)
-0.1°F
(-0.1°C)
57th Coolest Coolest since: 1985 1915
70th Warmest Warmest since: 1984 1936
Ties: 1948, 1966, 1977, 1978, 2001
May–Aug 1986
4-Month
71.1°F
(21.7°C)
70.7°F
(21.5°C)
0.4°F
(0.2°C)
73rd Coolest Coolest since: 1985 1915
54th Warmest Warmest since: 1983 1934, 1936
Apr–Aug 1986
5-Month
68.0°F
(20.0°C)
66.8°F
(19.3°C)
1.2°F
(0.7°C)
96th Coolest Coolest since: 1985 1907
31st Warmest Warmest since: 1980 1934
Ties: 1900, 1911, 1980, 2018
Mar–Aug 1986
6-Month
64.0°F
(17.8°C)
62.3°F
(16.8°C)
1.7°F
(1.0°C)
112th Coolest Coolest since: 1985 1904, 1950, 1960
15th Warmest Warmest since: 1977 2012
Ties: 2006
Feb–Aug 1986
7-Month
58.9°F
(14.9°C)
57.6°F
(14.2°C)
1.3°F
(0.7°C)
102nd Coolest Coolest since: 1985 1904
25th Warmest Warmest since: 1977 2012
Ties: 1922, 1952, 1988, 2002
Jan–Aug 1986
8-Month
55.0°F
(12.8°C)
53.5°F
(11.9°C)
1.5°F
(0.9°C)
99th Coolest Coolest since: 1985 1904, 1912
28th Warmest Warmest since: 1983 2012
Ties: 1896, 1925, 1944, 1983
Dec 1985–Aug 1986
9-Month
51.2°F
(10.7°C)
50.9°F
(10.5°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1985 1904
54th Warmest Warmest since: 1983 2012
Nov 1985–Aug 1986
10-Month
50.2°F
(10.1°C)
49.8°F
(9.9°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 1985 1904
54th Warmest Warmest since: 1983 2012
Ties: 1964
Oct 1985–Aug 1986
11-Month
50.8°F
(10.4°C)
50.3°F
(10.2°C)
0.5°F
(0.2°C)
78th Coolest Coolest since: 1985 1904
48th Warmest Warmest since: 1983 2012
Ties: 1898, 1946, 1990
Sep 1985–Aug 1986
12-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
78th Coolest Coolest since: 1985 1904
48th Warmest Warmest since: 1983 2012
Ties: 1925, 1946
Mar 1985–Aug 1986
18-Month
55.8°F
(13.2°C)
55.2°F
(12.9°C)
0.6°F
(0.3°C)
85th Coolest Coolest since: 1985 1904
41st Warmest Warmest since: 1983 2012
Ties: 1923, 1956
Sep 1984–Aug 1986
24-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
76th Coolest Coolest since: 1985 1905
49th Warmest Warmest since: 1984 2017
Ties: 1950, 1975, 1984, 1995, 2004
Sep 1983–Aug 1986
36-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1984 1979
73rd Warmest Warmest since: 1985 2018
Ties: 1909, 1930, 1945, 1953, 1959
Sep 1982–Aug 1986
48-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1985 1905
53rd Warmest Warmest since: 1976 2019
Ties: 1916, 1945, 1958, 1998
Sep 1981–Aug 1986
60-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
50th Coolest Coolest since: 1985 1906
72nd Warmest Warmest since: 1985 2020
Ties: 1911, 1926, 1952, 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 28, 2021 from https://www.ncdc.noaa.gov/cag/