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 2005

View Period (Months):All1234567891011121824364860
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 2005
1-Month
55.7°F
(13.2°C)
54.6°F
(12.6°C)
1.1°F
(0.6°C)
84th Coolest Coolest since: 2004 1925
43rd Warmest Warmest since: 2000 1963
Sep–Oct 2005
2-Month
63.2°F
(17.3°C)
60.4°F
(15.8°C)
2.8°F
(1.5°C)
110th Coolest Coolest since: 2004 1917
17th Warmest Warmest since: 1998 1897, 2016
Ties: 2015
Aug–Oct 2005
3-Month
67.3°F
(19.6°C)
64.7°F
(18.2°C)
2.6°F
(1.4°C)
116th Coolest Coolest since: 2004 1917
11th Warmest Warmest since: 1998 1947
Ties: 1941
Jul–Oct 2005
4-Month
69.6°F
(20.9°C)
67.5°F
(19.7°C)
2.1°F
(1.2°C)
116th Coolest Coolest since: 2004 1917
11th Warmest Warmest since: 1983 1936
Ties: 1941
Jun–Oct 2005
5-Month
70.7°F
(21.5°C)
68.3°F
(20.2°C)
2.4°F
(1.3°C)
121st Coolest Coolest since: 2004 1917
6th Warmest Warmest since: 1936 1936
May–Oct 2005
6-Month
69.0°F
(20.6°C)
67.2°F
(19.6°C)
1.8°F
(1.0°C)
111th Coolest Coolest since: 2004 1917
16th Warmest Warmest since: 1998 1936
Ties: 1939
Apr–Oct 2005
7-Month
67.1°F
(19.5°C)
65.0°F
(18.3°C)
2.1°F
(1.2°C)
118th Coolest Coolest since: 2004 1917
9th Warmest Warmest since: 1998 2010
Ties: 1955, 1998
Mar–Oct 2005
8-Month
63.6°F
(17.6°C)
61.9°F
(16.6°C)
1.7°F
(1.0°C)
115th Coolest Coolest since: 2004 1917
12th Warmest Warmest since: 1998 2012
Ties: 1955
Feb–Oct 2005
9-Month
60.5°F
(15.8°C)
58.2°F
(14.6°C)
2.3°F
(1.2°C)
118th Coolest Coolest since: 2004 1917
9th Warmest Warmest since: 1998 2012
Jan–Oct 2005
10-Month
57.4°F
(14.1°C)
54.9°F
(12.7°C)
2.5°F
(1.4°C)
120th Coolest Coolest since: 2004 1904
7th Warmest Warmest since: 1998 2012
Ties: 1991
Dec 2004–Oct 2005
11-Month
55.0°F
(12.8°C)
52.6°F
(11.4°C)
2.4°F
(1.4°C)
119th Coolest Coolest since: 2004 1904
7th Warmest Warmest since: 1998 2012
Ties: 1991
Nov 2004–Oct 2005
12-Month
54.2°F
(12.3°C)
51.6°F
(10.9°C)
2.6°F
(1.4°C)
117th Coolest Coolest since: 2004 1904
9th Warmest Warmest since: 2002 2012
Ties: 2000
May 2004–Oct 2005
18-Month
58.4°F
(14.7°C)
56.9°F
(13.8°C)
1.5°F
(0.9°C)
113th Coolest Coolest since: 2004 1904
13th Warmest Warmest since: 2002 2012
Ties: 1931, 2007
Nov 2003–Oct 2005
24-Month
53.5°F
(11.9°C)
51.6°F
(10.9°C)
1.9°F
(1.0°C)
113th Coolest Coolest since: 2004 1905
12th Warmest Warmest since: 2000 2017
Ties: 1955
Nov 2002–Oct 2005
36-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
102nd Coolest Coolest since: 2003 1904, 1979
22nd Warmest Warmest since: 2004 2018
Ties: 1935, 1988, 1992
Nov 2001–Oct 2005
48-Month
53.1°F
(11.7°C)
51.6°F
(10.9°C)
1.5°F
(0.8°C)
113th Coolest Coolest since: 2004 1905
10th Warmest Warmest since: 2002 2019
Ties: 1933, 1955, 1956, 2012
Nov 2000–Oct 2005
60-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
107th Coolest Coolest since: 2004 1905, 1906
15th Warmest Warmest since: 2004 2002, 2020
Ties: 1936, 2001, 2004, 2009, 2012, 2018

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/