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


Illinois

Average Temperature Rankings, October 1966

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 1966
1-Month
51.8°F
(11.0°C)
54.6°F
(12.6°C)
-2.8°F
(-1.6°C)
19th Coolest Coolest since: 1964 1925
108th Warmest Warmest since: 1965 1963
Ties: 1937, 1993
Sep–Oct 1966
2-Month
57.6°F
(14.2°C)
60.5°F
(15.8°C)
-2.9°F
(-1.6°C)
9th Coolest Coolest since: 1952 1917
118th Warmest Warmest since: 1965 1897, 2016
Ties: 1987
Aug–Oct 1966
3-Month
62.0°F
(16.7°C)
64.8°F
(18.2°C)
-2.8°F
(-1.5°C)
4th Coolest Coolest since: 1917 1917
123rd Warmest Warmest since: 1965 1947
Jul–Oct 1966
4-Month
66.1°F
(18.9°C)
67.5°F
(19.7°C)
-1.4°F
(-0.8°C)
17th Coolest Coolest since: 1945 1917
110th Warmest Warmest since: 1965 1936
Ties: 1945, 2004
Jun–Oct 1966
5-Month
67.1°F
(19.5°C)
68.3°F
(20.2°C)
-1.2°F
(-0.7°C)
24th Coolest Coolest since: 1958 1917
103rd Warmest Warmest since: 1965 1936
Ties: 1993
May–Oct 1966
6-Month
65.6°F
(18.7°C)
67.3°F
(19.6°C)
-1.7°F
(-0.9°C)
13th Coolest Coolest since: 1945 1917
114th Warmest Warmest since: 1965 1936
Ties: 1909
Apr–Oct 1966
7-Month
63.2°F
(17.3°C)
65.0°F
(18.3°C)
-1.8°F
(-1.0°C)
9th Coolest Coolest since: 1945 1917
118th Warmest Warmest since: 1965 2010
Mar–Oct 1966
8-Month
60.5°F
(15.8°C)
61.8°F
(16.6°C)
-1.3°F
(-0.8°C)
15th Coolest Coolest since: 1960 1917
112th Warmest Warmest since: 1965 2012
Ties: 1912, 1928
Feb–Oct 1966
9-Month
57.0°F
(13.9°C)
58.2°F
(14.6°C)
-1.2°F
(-0.7°C)
22nd Coolest Coolest since: 1960 1917
105th Warmest Warmest since: 1965 2012
Jan–Oct 1966
10-Month
53.4°F
(11.9°C)
54.9°F
(12.7°C)
-1.5°F
(-0.8°C)
12th Coolest Coolest since: 1958 1904
115th Warmest Warmest since: 1965 2012
Ties: 1902, 1929, 1940
Dec 1965–Oct 1966
11-Month
51.9°F
(11.1°C)
52.6°F
(11.4°C)
-0.7°F
(-0.3°C)
33rd Coolest Coolest since: 1965 1904
93rd Warmest Warmest since: 1964 2012
Ties: 1928, 1961, 1962
Nov 1965–Oct 1966
12-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
40th Coolest Coolest since: 1965 1904
86th Warmest Warmest since: 1965 2012
Ties: 1928, 1936, 1937, 1965, 2003
May 1965–Oct 1966
18-Month
56.6°F
(13.7°C)
56.9°F
(13.8°C)
-0.3°F
(-0.1°C)
46th Coolest Coolest since: 1962 1904
80th Warmest Warmest since: 1965 2012
Ties: 1906, 1909, 1915, 1946, 1959, 1984, 2001
Nov 1964–Oct 1966
24-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
36th Coolest Coolest since: 1963 1905
89th Warmest Warmest since: 1965 2017
Ties: 1908, 1925, 1926, 1937, 1958, 1959, 1971, 1985
Nov 1963–Oct 1966
36-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
47th Coolest Coolest since: 1965 1904, 1979
77th Warmest Warmest since: 1959 2018
Ties: 1914, 1945, 1958, 1959, 1977, 1996
Nov 1962–Oct 1966
48-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
37th Coolest Coolest since: 1965 1905
86th Warmest Warmest since: 1959 2019
Ties: 1901, 1909, 1910, 1930, 1952, 1967, 1996
Nov 1961–Oct 1966
60-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
30th Coolest Coolest since: 1965 1905, 1906
92nd Warmest Warmest since: 1965 2002, 2020
Ties: 1912, 1913, 1916, 1917, 1952, 1965, 1967, 1968, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on March 3, 2021 from https://www.ncdc.noaa.gov/cag/