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 1900

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
October 1900
1-Month
60.6°F
(15.9°C)
54.6°F
(12.6°C)
6.0°F
(3.3°C)
122nd Coolest Coolest since: 1899 1925
4th Warmest Warmest to Date 1963
Sep–Oct 1900
2-Month
64.4°F
(18.0°C)
60.4°F
(15.8°C)
4.0°F
(2.2°C)
118th Coolest Coolest since: 1899 1917
8th Warmest Warmest since: 1897 1897, 2016
Aug–Oct 1900
3-Month
69.2°F
(20.7°C)
64.7°F
(18.2°C)
4.5°F
(2.5°C)
123rd Coolest Coolest since: 1899 1917
3rd Warmest Warmest to Date 1947
Jul–Oct 1900
4-Month
70.6°F
(21.4°C)
67.5°F
(19.7°C)
3.1°F
(1.7°C)
123rd Coolest Coolest since: 1899 1917
3rd Warmest Warmest to Date 1936
Ties: 1931
Jun–Oct 1900
5-Month
70.5°F
(21.4°C)
68.2°F
(20.1°C)
2.3°F
(1.3°C)
115th Coolest Coolest since: 1899 1917
11th Warmest Warmest to Date 1936
Ties: 1983
May–Oct 1900
6-Month
69.4°F
(20.8°C)
67.2°F
(19.6°C)
2.2°F
(1.2°C)
115th Coolest Coolest since: 1899 1917
11th Warmest Warmest to Date 1936
Apr–Oct 1900
7-Month
67.0°F
(19.4°C)
65.0°F
(18.3°C)
2.0°F
(1.1°C)
114th Coolest Coolest since: 1899 1917
12th Warmest Warmest to Date 2010
Mar–Oct 1900
8-Month
62.8°F
(17.1°C)
61.8°F
(16.6°C)
1.0°F
(0.5°C)
94th Coolest Coolest since: 1899 1917
32nd Warmest Warmest to Date 2012
Ties: 1911, 1919, 1985, 1988
Feb–Oct 1900
9-Month
58.3°F
(14.6°C)
58.2°F
(14.6°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1899 1917
59th Warmest Warmest since: 1897 2012
Ties: 1896, 1914, 1935, 1970, 1976, 1981
Jan–Oct 1900
10-Month
55.5°F
(13.1°C)
54.9°F
(12.7°C)
0.6°F
(0.4°C)
83rd Coolest Coolest since: 1899 1904
43rd Warmest Warmest to Date 2012
Ties: 1995, 2001
Dec 1899–Oct 1900
11-Month
52.9°F
(11.6°C)
52.6°F
(11.4°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1899 1904
51st Warmest Warmest since: 1897 2012
Ties: 1947
Nov 1899–Oct 1900
12-Month
52.3°F
(11.3°C)
51.7°F
(10.9°C)
0.6°F
(0.4°C)
88th Coolest Coolest since: 1899 1904
37th Warmest Warmest to Date 2012
May 1899–Oct 1900
18-Month
57.6°F
(14.2°C)
56.9°F
(13.8°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 1899 1904
38th Warmest Warmest to Date 2012
Ties: 2008, 2010
Nov 1898–Oct 1900
24-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
33rd Coolest Coolest since: 1899 1905
91st Warmest Warmest since: 1898 2017
Ties: 1960, 1967
Nov 1897–Oct 1900
36-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
39th Coolest Coolest since: 1899 1904, 1979
84th Warmest Warmest since: 1898 2018
Ties: 1901, 1908, 1930, 1965, 1972, 1984, 1994
Nov 1896–Oct 1900
48-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
47th Coolest Coolest since: 1899 1905
75th Warmest Warmest to Date 2019
Ties: 1959, 1984, 1985
Nov 1895–Oct 1900
60-Month
51.5°F
(10.8°C)
51.5°F
(10.8°C)
0.0°F
(0.0°C)
48th Coolest Coolest to Date 1905, 1906
73rd Warmest Warmest to Date 2002
Ties: 1901, 1911, 1984, 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 20, 2019 from https://www.ncdc.noaa.gov/cag/