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 1977

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 1977
1-Month
25.9°F
(-3.4°C)
29.4°F
(-1.4°C)
-3.5°F
(-2.0°C)
23rd Coolest Coolest since: 1976 1983
103rd Warmest Warmest since: 1975 2015
Ties: 1897, 1960
Nov–Dec 1977
2-Month
33.8°F
(1.0°C)
35.1°F
(1.7°C)
-1.3°F
(-0.7°C)
34th Coolest Coolest since: 1976 1950
92nd Warmest Warmest since: 1975 2015
Ties: 1947, 2010
Oct–Dec 1977
3-Month
39.9°F
(4.4°C)
41.6°F
(5.3°C)
-1.7°F
(-0.9°C)
29th Coolest Coolest since: 1976 1976
97th Warmest Warmest since: 1975 1931
Sep–Dec 1977
4-Month
46.8°F
(8.2°C)
47.8°F
(8.8°C)
-1.0°F
(-0.6°C)
34th Coolest Coolest since: 1976 1976
92nd Warmest Warmest since: 1975 1931
Ties: 1916
Aug–Dec 1977
5-Month
51.8°F
(11.0°C)
52.9°F
(11.6°C)
-1.1°F
(-0.6°C)
27th Coolest Coolest since: 1976 1976
99th Warmest Warmest since: 1975 1931
Ties: 1904, 1919, 1966
Jul–Dec 1977
6-Month
56.1°F
(13.4°C)
56.7°F
(13.7°C)
-0.6°F
(-0.3°C)
40th Coolest Coolest since: 1976 1976
86th Warmest Warmest since: 1975 1931
Ties: 1935
Jun–Dec 1977
7-Month
58.2°F
(14.6°C)
58.8°F
(14.9°C)
-0.6°F
(-0.3°C)
38th Coolest Coolest since: 1976 1917
88th Warmest Warmest since: 1975 1931
Ties: 1927, 1942, 1943
May–Dec 1977
8-Month
59.5°F
(15.3°C)
59.2°F
(15.1°C)
0.3°F
(0.2°C)
67th Coolest Coolest since: 1976 1917
59th Warmest Warmest since: 1975 1931
Ties: 1948, 1978, 2003
Apr–Dec 1977
9-Month
59.3°F
(15.2°C)
58.3°F
(14.6°C)
1.0°F
(0.6°C)
89th Coolest Coolest since: 1976 1917
37th Warmest Warmest since: 1971 1931
Ties: 1899
Mar–Dec 1977
10-Month
57.9°F
(14.4°C)
56.5°F
(13.6°C)
1.4°F
(0.8°C)
104th Coolest Coolest since: 1976 1917
22nd Warmest Warmest since: 1953 2012
Ties: 1913, 1933, 2005, 2006
Feb–Dec 1977
11-Month
55.3°F
(12.9°C)
54.0°F
(12.2°C)
1.3°F
(0.7°C)
103rd Coolest Coolest since: 1976 1917
23rd Warmest Warmest since: 1954 2012
Ties: 2015
Jan–Dec 1977
12-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
57th Coolest Coolest since: 1976 1917
69th Warmest Warmest since: 1975 2012
Jul 1976–Dec 1977
18-Month
51.8°F
(11.0°C)
53.3°F
(11.8°C)
-1.5°F
(-0.8°C)
7th Coolest Coolest since: 1951 1904
118th Warmest Warmest since: 1976 2012
Ties: 1918
Jan 1976–Dec 1977
24-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
22nd Coolest Coolest since: 1970 1904, 1979
103rd Warmest Warmest since: 1976 2017
Ties: 1906, 1907, 1910, 1958, 1996
Jan 1975–Dec 1977
36-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
37th Coolest Coolest since: 1976 1905
87th Warmest Warmest since: 1976 2017
Ties: 1910, 1916, 1924, 1928, 1930, 1945, 1959, 1971, 1972, 1976
Jan 1974–Dec 1977
48-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1972 1905
82nd Warmest Warmest since: 1976 2001, 2018
Ties: 1899, 1900, 1913, 1925, 1928, 1945, 1950, 1966, 1967, 1983
Jan 1973–Dec 1977
60-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
57th Coolest Coolest since: 1976 1905
65th Warmest Warmest since: 1975 2002
Ties: 1974

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 17, 2020 from https://www.ncdc.noaa.gov/cag/