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 October 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, December 1950

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1950
1-Month
21.5°F
(-5.8°C)
29.4°F
(-1.4°C)
-7.9°F
(-4.4°C)
8th Coolest Coolest since: 1917 1983
117th Warmest Warmest since: 1949 2015
Nov–Dec 1950
2-Month
28.0°F
(-2.2°C)
35.1°F
(1.7°C)
-7.1°F
(-3.9°C)
1st Coolest Coolest to Date 1950
124th Warmest Warmest since: 1949 2015
Oct–Dec 1950
3-Month
38.5°F
(3.6°C)
41.7°F
(5.4°C)
-3.2°F
(-1.8°C)
8th Coolest Coolest since: 1937 1976
117th Warmest Warmest since: 1949 1931
Ties: 1937, 1972
Sep–Dec 1950
4-Month
45.0°F
(7.2°C)
47.8°F
(8.8°C)
-2.8°F
(-1.6°C)
5th Coolest Coolest since: 1917 1976
120th Warmest Warmest since: 1949 1931
Aug–Dec 1950
5-Month
49.8°F
(9.9°C)
52.9°F
(11.6°C)
-3.1°F
(-1.7°C)
3rd Coolest Coolest since: 1917 1976
122nd Warmest Warmest since: 1949 1931
Jul–Dec 1950
6-Month
53.5°F
(11.9°C)
56.7°F
(13.7°C)
-3.2°F
(-1.8°C)
3rd Coolest Coolest since: 1917 1976
122nd Warmest Warmest since: 1949 1931
Jun–Dec 1950
7-Month
55.9°F
(13.3°C)
58.8°F
(14.9°C)
-2.9°F
(-1.6°C)
4th Coolest Coolest since: 1917 1917
121st Warmest Warmest since: 1949 1931
May–Dec 1950
8-Month
56.8°F
(13.8°C)
59.2°F
(15.1°C)
-2.4°F
(-1.3°C)
4th Coolest Coolest since: 1945 1917
121st Warmest Warmest since: 1949 1931
Ties: 1903, 1924
Apr–Dec 1950
9-Month
55.6°F
(13.1°C)
58.3°F
(14.6°C)
-2.7°F
(-1.5°C)
3rd Coolest Coolest since: 1917 1917
122nd Warmest Warmest since: 1949 1931
Ties: 1907
Mar–Dec 1950
10-Month
53.6°F
(12.0°C)
56.4°F
(13.6°C)
-2.8°F
(-1.6°C)
2nd Coolest Coolest since: 1917 1917
123rd Warmest Warmest since: 1949 2012
Feb–Dec 1950
11-Month
51.4°F
(10.8°C)
54.0°F
(12.2°C)
-2.6°F
(-1.4°C)
2nd Coolest Coolest since: 1917 1917
123rd Warmest Warmest since: 1949 2012
Jan–Dec 1950
12-Month
49.8°F
(9.9°C)
51.6°F
(10.9°C)
-1.8°F
(-1.0°C)
9th Coolest Coolest since: 1924 1917
116th Warmest Warmest since: 1949 2012
Jul 1949–Dec 1950
18-Month
52.4°F
(11.3°C)
53.3°F
(11.8°C)
-0.9°F
(-0.5°C)
22nd Coolest Coolest since: 1929 1904
102nd Warmest Warmest since: 1949 2012
Ties: 1910, 1963, 1982
Jan 1949–Dec 1950
24-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1943 1904, 1979
79th Warmest Warmest since: 1949 2017
Ties: 1943, 1952, 1966, 1972, 1983, 1989
Jan 1948–Dec 1950
36-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
48th Coolest Coolest since: 1945 1905
75th Warmest Warmest since: 1949 2017
Ties: 1900, 1908, 1914, 1920, 1927, 1964
Jan 1947–Dec 1950
48-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1945 1905
81st Warmest Warmest since: 1949 2001, 2018
Ties: 1899, 1900, 1913, 1925, 1928, 1945, 1966, 1967, 1977, 1983
Jan 1946–Dec 1950
60-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1948 1905
53rd Warmest Warmest since: 1949 2002
Ties: 1924, 1946, 1948

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 8, 2019 from https://www.ncdc.noaa.gov/cag/