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 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, December 1965

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 1965
1-Month
37.3°F
(2.9°C)
29.4°F
(-1.4°C)
7.9°F
(4.3°C)
121st Coolest Coolest since: 1964 1983
5th Warmest Warmest since: 1931 2015
Nov–Dec 1965
2-Month
40.6°F
(4.8°C)
35.1°F
(1.7°C)
5.5°F
(3.1°C)
119th Coolest Coolest since: 1964 1950
7th Warmest Warmest since: 1931 2015
Oct–Dec 1965
3-Month
45.0°F
(7.2°C)
41.6°F
(5.3°C)
3.4°F
(1.9°C)
114th Coolest Coolest since: 1964 1976
12th Warmest Warmest since: 1946 1931
Ties: 1982
Sep–Dec 1965
4-Month
50.2°F
(10.1°C)
47.7°F
(8.7°C)
2.5°F
(1.4°C)
114th Coolest Coolest since: 1964 1976
12th Warmest Warmest since: 1946 1931
Ties: 1999
Aug–Dec 1965
5-Month
54.5°F
(12.5°C)
52.9°F
(11.6°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 1964 1976
21st Warmest Warmest since: 1956 1931
Ties: 1999, 2003, 2005
Jul–Dec 1965
6-Month
57.7°F
(14.3°C)
56.7°F
(13.7°C)
1.0°F
(0.6°C)
91st Coolest Coolest since: 1964 1976
35th Warmest Warmest since: 1956 1931
Ties: 1982, 2002, 2006
Jun–Dec 1965
7-Month
59.6°F
(15.3°C)
58.8°F
(14.9°C)
0.8°F
(0.4°C)
83rd Coolest Coolest since: 1964 1917
43rd Warmest Warmest since: 1956 1931
Ties: 1914, 1975, 1980
May–Dec 1965
8-Month
60.6°F
(15.9°C)
59.2°F
(15.1°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1964 1917
25th Warmest Warmest since: 1956 1931
Ties: 1938, 2005, 2010
Apr–Dec 1965
9-Month
59.7°F
(15.4°C)
58.3°F
(14.6°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1964 1917
25th Warmest Warmest since: 1954 1931
Ties: 1938, 2006
Mar–Dec 1965
10-Month
56.8°F
(13.8°C)
56.5°F
(13.6°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1962 1917
54th Warmest Warmest since: 1964 2012
Ties: 1896
Feb–Dec 1965
11-Month
54.3°F
(12.4°C)
54.0°F
(12.2°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1963 1917
54th Warmest Warmest since: 1964 2012
Ties: 1896, 1970, 2003
Jan–Dec 1965
12-Month
52.0°F
(11.1°C)
51.7°F
(10.9°C)
0.3°F
(0.2°C)
77th Coolest Coolest since: 1963 1917
49th Warmest Warmest since: 1964 2012
Ties: 1914, 1927, 1932, 1975, 1983, 1994
Jul 1964–Dec 1965
18-Month
53.4°F
(11.9°C)
53.3°F
(11.8°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1963 1904
66th Warmest Warmest since: 1964 2012
Ties: 1901, 1908, 1930, 1944
Jan 1964–Dec 1965
24-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
86th Coolest Coolest since: 1964 1904, 1979
39th Warmest Warmest since: 1957 2017
Ties: 1935, 1946, 1949, 1957, 2010
Jan 1963–Dec 1965
36-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
68th Coolest Coolest since: 1964 1905
56th Warmest Warmest since: 1957 2017
Ties: 1944, 1966, 1974, 2010
Jan 1962–Dec 1965
48-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
52nd Coolest Coolest since: 1964 1905
71st Warmest Warmest since: 1959 2001, 2018
Ties: 1930, 1953
Jan 1961–Dec 1965
60-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1964 1905
77th Warmest Warmest since: 1959 2002
Ties: 1911, 1952, 1973, 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 25, 2020 from https://www.ncdc.noaa.gov/cag/