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 1931

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 1931
1-Month
38.3°F
(3.5°C)
29.4°F
(-1.4°C)
8.9°F
(4.9°C)
123rd Coolest Coolest since: 1930 1983
3rd Warmest Warmest since: 1923 2015
Nov–Dec 1931
2-Month
43.7°F
(6.5°C)
35.1°F
(1.7°C)
8.6°F
(4.8°C)
124th Coolest Coolest since: 1930 1950
2nd Warmest Warmest to Date 2015
Oct–Dec 1931
3-Month
48.6°F
(9.2°C)
41.7°F
(5.4°C)
6.9°F
(3.8°C)
125th Coolest Coolest since: 1930 1976
1st Warmest Warmest to Date 1931
Sep–Dec 1931
4-Month
54.4°F
(12.4°C)
47.7°F
(8.7°C)
6.7°F
(3.7°C)
125th Coolest Coolest since: 1930 1976
1st Warmest Warmest to Date 1931
Aug–Dec 1931
5-Month
58.2°F
(14.6°C)
52.9°F
(11.6°C)
5.3°F
(3.0°C)
125th Coolest Coolest since: 1930 1976
1st Warmest Warmest to Date 1931
Jul–Dec 1931
6-Month
61.6°F
(16.4°C)
56.7°F
(13.7°C)
4.9°F
(2.7°C)
125th Coolest Coolest since: 1930 1976
1st Warmest Warmest to Date 1931
Jun–Dec 1931
7-Month
63.5°F
(17.5°C)
58.8°F
(14.9°C)
4.7°F
(2.6°C)
125th Coolest Coolest since: 1930 1917
1st Warmest Warmest to Date 1931
May–Dec 1931
8-Month
62.9°F
(17.2°C)
59.2°F
(15.1°C)
3.7°F
(2.1°C)
125th Coolest Coolest since: 1930 1917
1st Warmest Warmest to Date 1931
Apr–Dec 1931
9-Month
61.7°F
(16.5°C)
58.4°F
(14.7°C)
3.3°F
(1.8°C)
125th Coolest Coolest since: 1930 1917
1st Warmest Warmest to Date 1931
Mar–Dec 1931
10-Month
59.1°F
(15.1°C)
56.5°F
(13.6°C)
2.6°F
(1.5°C)
121st Coolest Coolest since: 1930 1917
5th Warmest Warmest since: 1921 2012
Ties: 1998
Feb–Dec 1931
11-Month
57.0°F
(13.9°C)
54.0°F
(12.2°C)
3.0°F
(1.7°C)
121st Coolest Coolest since: 1930 1917
5th Warmest Warmest since: 1921 2012
Jan–Dec 1931
12-Month
54.9°F
(12.7°C)
51.6°F
(10.9°C)
3.3°F
(1.8°C)
122nd Coolest Coolest since: 1930 1917
4th Warmest Warmest since: 1921 2012
Jul 1930–Dec 1931
18-Month
55.8°F
(13.2°C)
53.3°F
(11.8°C)
2.5°F
(1.4°C)
121st Coolest Coolest since: 1930 1904
4th Warmest Warmest to Date 2012
Jan 1930–Dec 1931
24-Month
53.7°F
(12.1°C)
51.6°F
(10.9°C)
2.1°F
(1.2°C)
117th Coolest Coolest since: 1930 1904, 1979
8th Warmest Warmest since: 1922 2017
Ties: 1939, 1954
Jan 1929–Dec 1931
36-Month
52.4°F
(11.3°C)
51.6°F
(10.9°C)
0.8°F
(0.4°C)
91st Coolest Coolest since: 1930 1905
33rd Warmest Warmest since: 1923 2017
Ties: 1941, 2016
Jan 1928–Dec 1931
48-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
82nd Coolest Coolest since: 1930 1905
41st Warmest Warmest since: 1924 2001, 2018
Ties: 1924, 1942, 2010
Jan 1927–Dec 1931
60-Month
52.1°F
(11.2°C)
51.5°F
(10.8°C)
0.6°F
(0.4°C)
80th Coolest Coolest since: 1930 1905
42nd Warmest Warmest since: 1925 2002
Ties: 1925, 1937, 1958, 1993

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 27, 2020 from https://www.ncdc.noaa.gov/cag/