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 1981

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
October 1981
1-Month
52.5°F
(11.4°C)
54.6°F
(12.6°C)
-2.1°F
(-1.2°C)
29th Coolest Coolest since: 1980 1925
97th Warmest Warmest since: 1979 1963
Ties: 1933, 2012
Sep–Oct 1981
2-Month
58.5°F
(14.7°C)
60.4°F
(15.8°C)
-1.9°F
(-1.1°C)
19th Coolest Coolest since: 1976 1917
107th Warmest Warmest since: 1980 1897, 2016
Ties: 1895
Aug–Oct 1981
3-Month
63.0°F
(17.2°C)
64.8°F
(18.2°C)
-1.8°F
(-1.0°C)
14th Coolest Coolest since: 1976 1917
112th Warmest Warmest since: 1980 1947
Jul–Oct 1981
4-Month
65.9°F
(18.8°C)
67.4°F
(19.7°C)
-1.5°F
(-0.9°C)
14th Coolest Coolest since: 1976 1917
112th Warmest Warmest since: 1980 1936
Jun–Oct 1981
5-Month
67.3°F
(19.6°C)
68.2°F
(20.1°C)
-0.9°F
(-0.5°C)
29th Coolest Coolest since: 1976 1917
97th Warmest Warmest since: 1980 1936
Ties: 1927, 1996, 2003
May–Oct 1981
6-Month
65.8°F
(18.8°C)
67.2°F
(19.6°C)
-1.4°F
(-0.8°C)
15th Coolest Coolest since: 1976 1917
111th Warmest Warmest since: 1980 1936
Apr–Oct 1981
7-Month
64.6°F
(18.1°C)
65.0°F
(18.3°C)
-0.4°F
(-0.2°C)
41st Coolest Coolest since: 1979 1917
85th Warmest Warmest since: 1980 2010
Ties: 1905, 1957, 1968, 2014
Mar–Oct 1981
8-Month
61.6°F
(16.4°C)
61.8°F
(16.6°C)
-0.2°F
(-0.2°C)
52nd Coolest Coolest since: 1979 1917
74th Warmest Warmest since: 1980 2012
Ties: 1952, 2003
Feb–Oct 1981
9-Month
58.3°F
(14.6°C)
58.2°F
(14.6°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1980 1917
59th Warmest Warmest since: 1977 2012
Ties: 1896, 1900, 1914, 1935, 1970, 1976
Jan–Oct 1981
10-Month
55.0°F
(12.8°C)
54.9°F
(12.7°C)
0.1°F
(0.1°C)
66th Coolest Coolest since: 1980 1904
60th Warmest Warmest since: 1977 2012
Ties: 1977
Dec 1980–Oct 1981
11-Month
52.8°F
(11.6°C)
52.6°F
(11.4°C)
0.2°F
(0.2°C)
72nd Coolest Coolest since: 1980 1904
53rd Warmest Warmest since: 1973 2012
Ties: 1925, 1957, 1971, 1985, 2015
Nov 1980–Oct 1981
12-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
72nd Coolest Coolest since: 1980 1904
53rd Warmest Warmest since: 1976 2012
Ties: 1896, 1956, 1957, 1985, 1992
May 1980–Oct 1981
18-Month
57.2°F
(14.0°C)
56.8°F
(13.8°C)
0.4°F
(0.2°C)
79th Coolest Coolest since: 1980 1904
46th Warmest Warmest since: 1976 2012
Ties: 1944, 1964, 1976, 1989
Nov 1979–Oct 1981
24-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1980 1905
70th Warmest Warmest since: 1976 2017
Ties: 1936, 1948, 1972, 1996
Nov 1978–Oct 1981
36-Month
50.8°F
(10.4°C)
51.6°F
(10.9°C)
-0.8°F
(-0.5°C)
10th Coolest Coolest since: 1980 1904, 1979
113th Warmest Warmest since: 1977 2018
Ties: 1903, 1912, 1919, 1952, 1962, 1970
Nov 1977–Oct 1981
48-Month
50.4°F
(10.2°C)
51.6°F
(10.9°C)
-1.2°F
(-0.7°C)
8th Coolest Coolest since: 1980 1905
114th Warmest Warmest since: 1978 2019
Nov 1976–Oct 1981
60-Month
50.5°F
(10.3°C)
51.6°F
(10.9°C)
-1.1°F
(-0.6°C)
6th Coolest Coolest since: 1980 1905, 1906
115th Warmest Warmest since: 1980 2002
Ties: 1979, 1980

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 17, 2019 from https://www.ncdc.noaa.gov/cag/