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 1901

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 1901
1-Month
55.5°F
(13.1°C)
54.6°F
(12.6°C)
0.9°F
(0.5°C)
79th Coolest Coolest since: 1898 1925
48th Warmest Warmest since: 1900 1963
Sep–Oct 1901
2-Month
60.6°F
(15.9°C)
60.4°F
(15.8°C)
0.2°F
(0.1°C)
69th Coolest Coolest since: 1898 1917
58th Warmest Warmest since: 1900 1897, 2016
Ties: 1997, 2008
Aug–Oct 1901
3-Month
65.1°F
(18.4°C)
64.7°F
(18.2°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1898 1917
51st Warmest Warmest since: 1900 1947
Ties: 1927, 1934, 1935
Jul–Oct 1901
4-Month
69.2°F
(20.7°C)
67.5°F
(19.7°C)
1.7°F
(1.0°C)
110th Coolest Coolest since: 1899 1917
17th Warmest Warmest since: 1900 1936
Ties: 1953
Jun–Oct 1901
5-Month
70.2°F
(21.2°C)
68.3°F
(20.2°C)
1.9°F
(1.0°C)
112th Coolest Coolest since: 1899 1917
15th Warmest Warmest since: 1900 1936
Ties: 1914
May–Oct 1901
6-Month
68.6°F
(20.3°C)
67.2°F
(19.6°C)
1.4°F
(0.7°C)
105th Coolest Coolest since: 1899 1917
22nd Warmest Warmest since: 1900 1936
Ties: 1938, 1955, 1959, 1983
Apr–Oct 1901
7-Month
65.8°F
(18.8°C)
65.0°F
(18.3°C)
0.8°F
(0.5°C)
87th Coolest Coolest since: 1898 1917
40th Warmest Warmest since: 1900 2010
Ties: 1913, 1956, 1971, 1999, 2001
Mar–Oct 1901
8-Month
62.4°F
(16.9°C)
61.9°F
(16.6°C)
0.5°F
(0.3°C)
85th Coolest Coolest since: 1899 1917
42nd Warmest Warmest since: 1900 2012
Ties: 1910, 1942, 1983, 1999, 2002, 2006
Feb–Oct 1901
9-Month
57.8°F
(14.3°C)
58.3°F
(14.6°C)
-0.5°F
(-0.3°C)
44th Coolest Coolest since: 1899 1917
83rd Warmest Warmest since: 1900 2012
Ties: 1940, 1968, 1974, 1992, 2009
Jan–Oct 1901
10-Month
54.8°F
(12.7°C)
54.9°F
(12.7°C)
-0.1°F
(0.0°C)
59th Coolest Coolest since: 1899 1904
68th Warmest Warmest since: 1900 2012
Ties: 1947, 1971, 1976, 2013
Dec 1900–Oct 1901
11-Month
52.6°F
(11.4°C)
52.6°F
(11.4°C)
0.0°F
(0.0°C)
61st Coolest Coolest since: 1899 1904
65th Warmest Warmest since: 1900 2012
Ties: 1935
Nov 1900–Oct 1901
12-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
54th Coolest Coolest since: 1899 1904
72nd Warmest Warmest since: 1900 2012
Ties: 1910, 1950, 1952, 1972, 1974, 1980
May 1900–Oct 1901
18-Month
57.5°F
(14.2°C)
56.8°F
(13.8°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 1899 1904
42nd Warmest Warmest since: 1900 2012
Nov 1899–Oct 1901
24-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
77th Coolest Coolest since: 1900 1905
48th Warmest Warmest since: 1897 2017
Ties: 1897, 1940, 1943, 1949, 2004
Nov 1898–Oct 1901
36-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
39th Coolest Coolest since: 1900 1904, 1979
85th Warmest Warmest since: 1900 2018
Ties: 1900, 1908, 1930, 1965, 1972, 1984, 1994
Nov 1897–Oct 1901
48-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
37th Coolest Coolest to Date 1905
86th Warmest Warmest since: 1900 2019
Ties: 1909, 1910, 1930, 1952, 1966, 1967, 1996
Nov 1896–Oct 1901
60-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
48th Coolest Coolest since: 1900 1905, 1906
74th Warmest Warmest since: 1900 2002, 2020
Ties: 1900, 1911, 1984, 1985

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/