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 1979

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
October 1979
1-Month
54.3°F
(12.4°C)
54.6°F
(12.6°C)
-0.3°F
(-0.2°C)
55th Coolest Coolest since: 1978 1925
71st Warmest Warmest since: 1975 1963
Ties: 1921, 2014
Sep–Oct 1979
2-Month
60.0°F
(15.6°C)
60.4°F
(15.8°C)
-0.4°F
(-0.2°C)
57th Coolest Coolest since: 1977 1917
69th Warmest Warmest since: 1978 1897, 2016
Ties: 1898, 1905
Aug–Oct 1979
3-Month
64.2°F
(17.9°C)
64.8°F
(18.2°C)
-0.6°F
(-0.3°C)
43rd Coolest Coolest since: 1977 1917
83rd Warmest Warmest since: 1978 1947
Ties: 1975, 1996
Jul–Oct 1979
4-Month
66.6°F
(19.2°C)
67.5°F
(19.7°C)
-0.9°F
(-0.5°C)
34th Coolest Coolest since: 1976 1917
92nd Warmest Warmest since: 1978 1936
Ties: 1905, 1918, 1982
Jun–Oct 1979
5-Month
67.6°F
(19.8°C)
68.2°F
(20.1°C)
-0.6°F
(-0.3°C)
38th Coolest Coolest since: 1976 1917
88th Warmest Warmest since: 1978 1936
Ties: 1918, 1926, 1989, 1997, 2006
May–Oct 1979
6-Month
66.6°F
(19.2°C)
67.2°F
(19.6°C)
-0.6°F
(-0.4°C)
36th Coolest Coolest since: 1976 1917
90th Warmest Warmest since: 1978 1936
Ties: 1946, 1948, 1957, 1968, 2008, 2014
Apr–Oct 1979
7-Month
64.1°F
(17.8°C)
65.0°F
(18.3°C)
-0.9°F
(-0.5°C)
28th Coolest Coolest since: 1976 1917
98th Warmest Warmest since: 1978 2010
Ties: 1910, 1927, 1972, 1989, 1990
Mar–Oct 1979
8-Month
61.0°F
(16.1°C)
61.8°F
(16.6°C)
-0.8°F
(-0.5°C)
28th Coolest Coolest since: 1976 1917
98th Warmest Warmest since: 1978 2012
Ties: 1972, 1975, 2009
Feb–Oct 1979
9-Month
56.2°F
(13.4°C)
58.2°F
(14.6°C)
-2.0°F
(-1.2°C)
3rd Coolest Coolest since: 1924 1917
123rd Warmest Warmest since: 1978 2012
Ties: 1907, 1912, 1924, 2014
Jan–Oct 1979
10-Month
51.8°F
(11.0°C)
54.9°F
(12.7°C)
-3.1°F
(-1.7°C)
2nd Coolest Coolest since: 1917 1904
124th Warmest Warmest since: 1978 2012
Ties: 1912, 1917
Dec 1978–Oct 1979
11-Month
49.8°F
(9.9°C)
52.6°F
(11.4°C)
-2.8°F
(-1.5°C)
3rd Coolest Coolest since: 1978 1904
122nd Warmest Warmest since: 1978 2012
Ties: 1978
Nov 1978–Oct 1979
12-Month
49.2°F
(9.6°C)
51.6°F
(10.9°C)
-2.4°F
(-1.3°C)
4th Coolest Coolest since: 1978 1904
121st Warmest Warmest since: 1978 2012
Ties: 1978, 2014
May 1978–Oct 1979
18-Month
55.2°F
(12.9°C)
56.8°F
(13.8°C)
-1.6°F
(-0.9°C)
5th Coolest Coolest since: 1951 1904
120th Warmest Warmest since: 1978 2012
Ties: 1982
Nov 1977–Oct 1979
24-Month
49.2°F
(9.6°C)
51.6°F
(10.9°C)
-2.4°F
(-1.3°C)
2nd Coolest Coolest since: 1905 1905
122nd Warmest Warmest since: 1978 2017
Nov 1976–Oct 1979
36-Month
49.7°F
(9.8°C)
51.6°F
(10.9°C)
-1.9°F
(-1.1°C)
1st Coolest Coolest since: 1904 1904, 1979
122nd Warmest Warmest since: 1978 2018
Ties: 1904
Nov 1975–Oct 1979
48-Month
50.3°F
(10.2°C)
51.6°F
(10.9°C)
-1.3°F
(-0.7°C)
6th Coolest Coolest since: 1918 1905
116th Warmest Warmest since: 1978 2019
Ties: 1906
Nov 1974–Oct 1979
60-Month
50.5°F
(10.3°C)
51.5°F
(10.8°C)
-1.0°F
(-0.5°C)
6th Coolest Coolest since: 1908 1905, 1906
115th Warmest Warmest since: 1978 2002
Ties: 1980, 1981

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 15, 2019 from https://www.ncdc.noaa.gov/cag/