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 October 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, October 1984

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
October 1984
1-Month
57.8°F
(14.3°C)
54.6°F
(12.6°C)
3.2°F
(1.7°C)
105th Coolest Coolest since: 1983 1925
21st Warmest Warmest since: 1973 1963
Sep–Oct 1984
2-Month
61.0°F
(16.1°C)
60.4°F
(15.8°C)
0.6°F
(0.3°C)
76th Coolest Coolest since: 1982 1917
50th Warmest Warmest since: 1983 1897, 2016
Ties: 1912, 1991
Aug–Oct 1984
3-Month
65.6°F
(18.7°C)
64.8°F
(18.2°C)
0.8°F
(0.5°C)
87th Coolest Coolest since: 1982 1917
39th Warmest Warmest since: 1983 1947
Ties: 1991
Jul–Oct 1984
4-Month
67.5°F
(19.7°C)
67.4°F
(19.7°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1982 1917
59th Warmest Warmest since: 1983 1936
Ties: 1911, 1999
Jun–Oct 1984
5-Month
68.9°F
(20.5°C)
68.2°F
(20.1°C)
0.7°F
(0.4°C)
80th Coolest Coolest since: 1982 1917
46th Warmest Warmest since: 1983 1936
Ties: 1920, 1986
May–Oct 1984
6-Month
67.3°F
(19.6°C)
67.2°F
(19.6°C)
0.1°F
(0.0°C)
64th Coolest Coolest since: 1982 1917
62nd Warmest Warmest since: 1983 1936
Ties: 1916
Apr–Oct 1984
7-Month
64.8°F
(18.2°C)
64.9°F
(18.3°C)
-0.1°F
(-0.1°C)
48th Coolest Coolest since: 1982 1917
78th Warmest Warmest since: 1983 2010
Ties: 1912, 1916, 1943, 1994
Mar–Oct 1984
8-Month
60.9°F
(16.1°C)
61.9°F
(16.6°C)
-1.0°F
(-0.5°C)
23rd Coolest Coolest since: 1982 1917
103rd Warmest Warmest since: 1983 2012
Ties: 1961, 1965, 1976, 1982
Feb–Oct 1984
9-Month
58.1°F
(14.5°C)
58.2°F
(14.6°C)
-0.1°F
(-0.1°C)
55th Coolest Coolest since: 1982 1917
71st Warmest Warmest since: 1983 2012
Ties: 1945
Jan–Oct 1984
10-Month
54.5°F
(12.5°C)
54.9°F
(12.7°C)
-0.4°F
(-0.2°C)
47th Coolest Coolest since: 1982 1904
79th Warmest Warmest since: 1983 2012
Ties: 1916, 1961, 1985
Dec 1983–Oct 1984
11-Month
51.1°F
(10.6°C)
52.6°F
(11.4°C)
-1.5°F
(-0.8°C)
13th Coolest Coolest since: 1982 1904
112th Warmest Warmest since: 1983 2012
Ties: 1920
Nov 1983–Oct 1984
12-Month
50.5°F
(10.3°C)
51.6°F
(10.9°C)
-1.1°F
(-0.6°C)
18th Coolest Coolest since: 1982 1904
107th Warmest Warmest since: 1983 2012
Ties: 1924, 1960, 1997
May 1983–Oct 1984
18-Month
56.6°F
(13.7°C)
56.9°F
(13.8°C)
-0.3°F
(-0.1°C)
46th Coolest Coolest since: 1982 1904
79th Warmest Warmest since: 1983 2012
Ties: 1906, 1909, 1915, 1946, 1959, 1966, 2001
Nov 1982–Oct 1984
24-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
82nd Coolest Coolest since: 1983 1905
42nd Warmest Warmest since: 1974 2017
Ties: 1923, 1973, 1974, 1986
Nov 1981–Oct 1984
36-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
39th Coolest Coolest since: 1982 1904, 1979
84th Warmest Warmest since: 1983 2018
Ties: 1900, 1901, 1908, 1930, 1965, 1972, 1994
Nov 1980–Oct 1984
48-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
47th Coolest Coolest since: 1982 1905
75th Warmest Warmest since: 1983 2019
Ties: 1900, 1959, 1985
Nov 1979–Oct 1984
60-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
48th Coolest Coolest since: 1983 1905, 1906
73rd Warmest Warmest since: 1977 2002
Ties: 1900, 1901, 1911, 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 12, 2019 from https://www.ncdc.noaa.gov/cag/