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, October 1947

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 1947
1-Month
62.2°F
(16.8°C)
54.6°F
(12.6°C)
7.6°F
(4.2°C)
125th Coolest Coolest since: 1946 1925
2nd Warmest Warmest to Date 1963
Sep–Oct 1947
2-Month
64.9°F
(18.3°C)
60.4°F
(15.8°C)
4.5°F
(2.5°C)
122nd Coolest Coolest since: 1946 1917
5th Warmest Warmest since: 1931 1897, 2016
Ties: 2007
Aug–Oct 1947
3-Month
70.2°F
(21.2°C)
64.7°F
(18.2°C)
5.5°F
(3.0°C)
126th Coolest Coolest since: 1946 1917
1st Warmest Warmest to Date 1947
Jul–Oct 1947
4-Month
70.8°F
(21.6°C)
67.5°F
(19.7°C)
3.3°F
(1.9°C)
125th Coolest Coolest since: 1946 1917
2nd Warmest Warmest since: 1936 1936
Jun–Oct 1947
5-Month
70.4°F
(21.3°C)
68.3°F
(20.2°C)
2.1°F
(1.1°C)
114th Coolest Coolest since: 1946 1917
13th Warmest Warmest since: 1936 1936
Ties: 1933
May–Oct 1947
6-Month
68.4°F
(20.2°C)
67.2°F
(19.6°C)
1.2°F
(0.6°C)
98th Coolest Coolest since: 1946 1917
29th Warmest Warmest since: 1944 1936
Apr–Oct 1947
7-Month
65.9°F
(18.8°C)
65.0°F
(18.3°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 1946 1917
34th Warmest Warmest since: 1944 2010
Ties: 1899, 1919, 2002, 2011, 2019
Mar–Oct 1947
8-Month
61.8°F
(16.6°C)
61.8°F
(16.6°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1945 1917
71st Warmest Warmest since: 1946 2012
Ties: 1896, 1898, 1899, 1962, 1980, 1994
Feb–Oct 1947
9-Month
57.5°F
(14.2°C)
58.2°F
(14.6°C)
-0.7°F
(-0.4°C)
37th Coolest Coolest since: 1937 1917
90th Warmest Warmest since: 1946 2012
Ties: 1903, 1980
Jan–Oct 1947
10-Month
54.8°F
(12.7°C)
55.0°F
(12.8°C)
-0.2°F
(-0.1°C)
59th Coolest Coolest since: 1945 1904
68th Warmest Warmest since: 1946 2012
Ties: 1901, 1971, 1976, 2013
Dec 1946–Oct 1947
11-Month
52.9°F
(11.6°C)
52.6°F
(11.4°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1945 1904
52nd Warmest Warmest since: 1946 2012
Ties: 1900
Nov 1946–Oct 1947
12-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
85th Coolest Coolest since: 1945 1904
41st Warmest Warmest since: 1946 2012
Ties: 1897, 1911, 1913, 1944, 1976
May 1946–Oct 1947
18-Month
56.9°F
(13.8°C)
56.8°F
(13.8°C)
0.1°F
(0.0°C)
62nd Coolest Coolest since: 1946 1904
64th Warmest Warmest since: 1945 2012
Ties: 1945
Nov 1945–Oct 1947
24-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
90th Coolest Coolest since: 1946 1905
35th Warmest Warmest since: 1942 2017
Ties: 2019, 2020
Nov 1944–Oct 1947
36-Month
51.9°F
(11.1°C)
51.7°F
(10.9°C)
0.2°F
(0.2°C)
76th Coolest Coolest since: 1946 1904, 1979
48th Warmest Warmest since: 1946 2018
Ties: 1915, 1938, 1946, 1948, 1949, 1973, 2010
Nov 1943–Oct 1947
48-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1946 1905
51st Warmest Warmest since: 1944 2019
Ties: 1937, 1938, 1976, 2011
Nov 1942–Oct 1947
60-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
64th Coolest Coolest since: 1931 1905, 1906
58th Warmest Warmest since: 1946 2002, 2020
Ties: 1953, 1959, 1976, 1998

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 26, 2021 from https://www.ncdc.noaa.gov/cag/