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 1929

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 1929
1-Month
29.3°F
(-1.5°C)
29.4°F
(-1.4°C)
-0.1°F
(-0.1°C)
55th Coolest Coolest since: 1927 1983
71st Warmest Warmest since: 1928 2015
Nov–Dec 1929
2-Month
32.6°F
(0.3°C)
35.1°F
(1.7°C)
-2.5°F
(-1.4°C)
26th Coolest Coolest since: 1926 1950
100th Warmest Warmest since: 1928 2015
Ties: 1924
Oct–Dec 1929
3-Month
39.4°F
(4.1°C)
41.7°F
(5.4°C)
-2.3°F
(-1.3°C)
21st Coolest Coolest since: 1926 1976
105th Warmest Warmest since: 1928 1931
Ties: 1943
Sep–Dec 1929
4-Month
45.8°F
(7.7°C)
47.8°F
(8.8°C)
-2.0°F
(-1.1°C)
17th Coolest Coolest since: 1926 1976
109th Warmest Warmest since: 1928 1931
Ties: 1909, 1972
Aug–Dec 1929
5-Month
50.9°F
(10.5°C)
52.9°F
(11.6°C)
-2.0°F
(-1.1°C)
8th Coolest Coolest since: 1925 1976
118th Warmest Warmest since: 1928 1931
Ties: 1925
Jul–Dec 1929
6-Month
55.0°F
(12.8°C)
56.7°F
(13.7°C)
-1.7°F
(-0.9°C)
12th Coolest Coolest since: 1925 1976
114th Warmest Warmest since: 1928 1931
Ties: 1898, 1972, 1985
Jun–Dec 1929
7-Month
56.9°F
(13.8°C)
58.8°F
(14.9°C)
-1.9°F
(-1.1°C)
9th Coolest Coolest since: 1924 1917
117th Warmest Warmest since: 1928 1931
Ties: 1924
May–Dec 1929
8-Month
57.2°F
(14.0°C)
59.2°F
(15.1°C)
-2.0°F
(-1.1°C)
9th Coolest Coolest since: 1924 1917
117th Warmest Warmest since: 1928 1931
Ties: 1907, 1910
Apr–Dec 1929
9-Month
56.8°F
(13.8°C)
58.3°F
(14.6°C)
-1.5°F
(-0.8°C)
15th Coolest Coolest since: 1926 1917
111th Warmest Warmest since: 1928 1931
Mar–Dec 1929
10-Month
55.7°F
(13.2°C)
56.5°F
(13.6°C)
-0.8°F
(-0.4°C)
30th Coolest Coolest since: 1926 1917
96th Warmest Warmest since: 1928 2012
Ties: 1997
Feb–Dec 1929
11-Month
52.6°F
(11.4°C)
54.0°F
(12.2°C)
-1.4°F
(-0.8°C)
16th Coolest Coolest since: 1926 1917
110th Warmest Warmest since: 1928 2012
Ties: 1978
Jan–Dec 1929
12-Month
49.9°F
(9.9°C)
51.6°F
(10.9°C)
-1.7°F
(-1.0°C)
10th Coolest Coolest since: 1924 1917
116th Warmest Warmest since: 1928 2012
Ties: 1951
Jul 1928–Dec 1929
18-Month
52.3°F
(11.3°C)
53.4°F
(11.9°C)
-1.1°F
(-0.6°C)
17th Coolest Coolest since: 1926 1904
108th Warmest Warmest since: 1928 2012
Ties: 1958, 1969, 1993, 1997
Jan 1928–Dec 1929
24-Month
50.7°F
(10.4°C)
51.7°F
(10.9°C)
-1.0°F
(-0.5°C)
15th Coolest Coolest since: 1925 1904, 1979
110th Warmest Warmest since: 1928 2017
Ties: 1902, 1961
Jan 1927–Dec 1929
36-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
26th Coolest Coolest since: 1926 1905
98th Warmest Warmest since: 1928 2017
Ties: 1897, 1961, 2015
Jan 1926–Dec 1929
48-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
19th Coolest Coolest since: 1927 1905
104th Warmest Warmest since: 1928 2001, 2018
Ties: 1903, 1978
Jan 1925–Dec 1929
60-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
24th Coolest Coolest since: 1928 1905
98th Warmest Warmest since: 1926 2002
Ties: 1899, 1902, 1909, 1951, 1964, 1971, 1972, 1997

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/