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 March 2021. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, October 1898

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 1898
1-Month
51.2°F
(10.7°C)
54.6°F
(12.6°C)
-3.4°F
(-1.9°C)
12th Coolest Coolest since: 1896 1925
115th Warmest Warmest since: 1897 1963
Ties: 1957, 1980
Sep–Oct 1898
2-Month
60.0°F
(15.6°C)
60.4°F
(15.8°C)
-0.4°F
(-0.2°C)
58th Coolest Coolest since: 1896 1917
69th Warmest Warmest since: 1897 1897, 2016
Ties: 1905, 1979
Aug–Oct 1898
3-Month
64.4°F
(18.0°C)
64.8°F
(18.2°C)
-0.4°F
(-0.2°C)
52nd Coolest Coolest since: 1896 1917
75th Warmest Warmest since: 1897 1947
Ties: 1990, 2008
Jul–Oct 1898
4-Month
67.0°F
(19.4°C)
67.4°F
(19.7°C)
-0.4°F
(-0.3°C)
49th Coolest Coolest since: 1896 1917
78th Warmest Warmest since: 1897 1936
Ties: 1958, 1968, 2020
Jun–Oct 1898
5-Month
68.2°F
(20.1°C)
68.2°F
(20.1°C)
0.0°F
(0.0°C)
63rd Coolest Coolest since: 1896 1917
64th Warmest Warmest since: 1897 1936
Ties: 1906, 1916, 1935, 1961, 2008
May–Oct 1898
6-Month
67.2°F
(19.6°C)
67.3°F
(19.6°C)
-0.1°F
(0.0°C)
57th Coolest Coolest since: 1896 1917
70th Warmest Warmest since: 1897 1936
Ties: 1908, 1943, 1952, 1965, 1978, 2001
Apr–Oct 1898
7-Month
64.5°F
(18.1°C)
64.9°F
(18.3°C)
-0.4°F
(-0.2°C)
37th Coolest Coolest to Date 1917
90th Warmest Warmest since: 1897 2010
Ties: 1969, 2003, 2008, 2020
Mar–Oct 1898
8-Month
61.8°F
(16.6°C)
61.8°F
(16.6°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1896 1917
71st Warmest Warmest since: 1897 2012
Ties: 1896, 1899, 1947, 1962, 1980, 1994
Feb–Oct 1898
9-Month
58.2°F
(14.6°C)
58.2°F
(14.6°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1895 1917
70th Warmest Warmest since: 1897 2012
Ties: 1910, 1948, 1962
Jan–Oct 1898
10-Month
55.4°F
(13.0°C)
55.0°F
(12.8°C)
0.4°F
(0.2°C)
80th Coolest Coolest since: 1897 1904
47th Warmest Warmest to Date 2012
Ties: 1908, 2004
Dec 1897–Oct 1898
11-Month
52.7°F
(11.5°C)
52.6°F
(11.4°C)
0.1°F
(0.1°C)
66th Coolest Coolest to Date 1904
60th Warmest Warmest since: 1897 2012
Ties: 1927, 1976, 2011
Nov 1897–Oct 1898
12-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
61st Coolest Coolest to Date 1904
65th Warmest Warmest since: 1897 2012
Ties: 1964, 1975, 1989
May 1897–Oct 1898
18-Month
57.1°F
(13.9°C)
56.9°F
(13.8°C)
0.2°F
(0.1°C)
74th Coolest Coolest since: 1897 1904
52nd Warmest Warmest to Date 2012
Ties: 1971, 1973, 1986
Nov 1896–Oct 1898
24-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
71st Coolest Coolest to Date 1905
54th Warmest Warmest since: 1897 2017
Ties: 1911, 1915, 1920, 1941, 1957, 1976, 1990
Nov 1895–Oct 1898
36-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
68th Coolest Coolest to Date 1904, 1979
56th Warmest Warmest to Date 2018
Ties: 1974, 1975, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 10, 2021 from https://www.ncdc.noaa.gov/cag/