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, January 1978

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
January 1978
1-Month
15.8°F
(-9.0°C)
25.3°F
(-3.7°C)
-9.5°F
(-5.3°C)
6th Coolest Coolest since: 1977 1977
120th Warmest Warmest since: 1976 2006
Dec 1977–Jan 1978
2-Month
20.8°F
(-6.2°C)
27.4°F
(-2.6°C)
-6.6°F
(-3.6°C)
4th Coolest Coolest since: 1977 1918
121st Warmest Warmest since: 1976 1932
Ties: 1904
Nov 1977–Jan 1978
3-Month
27.8°F
(-2.3°C)
31.9°F
(-0.1°C)
-4.1°F
(-2.2°C)
9th Coolest Coolest since: 1977 1977
116th Warmest Warmest since: 1976 1932
Ties: 1963, 1970
Oct 1977–Jan 1978
4-Month
33.9°F
(1.1°C)
37.6°F
(3.1°C)
-3.7°F
(-2.0°C)
5th Coolest Coolest since: 1977 1977
120th Warmest Warmest since: 1976 1932
Sep 1977–Jan 1978
5-Month
40.6°F
(4.8°C)
43.3°F
(6.3°C)
-2.7°F
(-1.5°C)
8th Coolest Coolest since: 1977 1977
117th Warmest Warmest since: 1976 1932
Aug 1977–Jan 1978
6-Month
45.8°F
(7.7°C)
48.4°F
(9.1°C)
-2.6°F
(-1.4°C)
5th Coolest Coolest since: 1977 1977
120th Warmest Warmest since: 1976 1932
Ties: 1970
Jul 1977–Jan 1978
7-Month
50.3°F
(10.2°C)
52.2°F
(11.2°C)
-1.9°F
(-1.0°C)
11th Coolest Coolest since: 1977 1977
114th Warmest Warmest since: 1976 1932
Ties: 1982, 1997
Jun 1977–Jan 1978
8-Month
52.9°F
(11.6°C)
54.7°F
(12.6°C)
-1.8°F
(-1.0°C)
10th Coolest Coolest since: 1977 1918, 1977
115th Warmest Warmest since: 1976 1932
Ties: 1925, 1936, 1997
May 1977–Jan 1978
9-Month
54.7°F
(12.6°C)
55.5°F
(13.1°C)
-0.8°F
(-0.5°C)
37th Coolest Coolest since: 1977 1918
88th Warmest Warmest since: 1976 1932
Ties: 1938, 1990
Apr 1977–Jan 1978
10-Month
54.9°F
(12.7°C)
55.0°F
(12.8°C)
-0.1°F
(-0.1°C)
52nd Coolest Coolest since: 1977 1918
73rd Warmest Warmest since: 1976 1932
Ties: 1940, 1944, 1980, 1985
Mar 1977–Jan 1978
11-Month
54.1°F
(12.3°C)
53.7°F
(12.1°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1977 1918
49th Warmest Warmest since: 1974 2013
Ties: 1957
Feb 1977–Jan 1978
12-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 1977 1918
50th Warmest Warmest since: 1974 2013
Ties: 1901, 1926
Aug 1976–Jan 1978
18-Month
48.5°F
(9.2°C)
50.5°F
(10.3°C)
-2.0°F
(-1.1°C)
4th Coolest Coolest since: 1918 1918
120th Warmest Warmest since: 1977 2017
Feb 1976–Jan 1978
24-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
17th Coolest Coolest since: 1977 1918
107th Warmest Warmest since: 1976 2013
Ties: 1963, 1968, 1997
Feb 1975–Jan 1978
36-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
19th Coolest Coolest since: 1977 1905
104th Warmest Warmest since: 1977 2013
Ties: 1930, 1952, 1977, 1982
Feb 1974–Jan 1978
48-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
30th Coolest Coolest since: 1973 1905
92nd Warmest Warmest since: 1977 1934, 2002, 2019
Ties: 1902, 1952, 1972, 1973
Feb 1973–Jan 1978
60-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1977 1906
72nd Warmest Warmest since: 1976 1935, 2003
Ties: 1915, 1916, 1922, 1953, 1967, 1974

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 17, 2019 from https://www.ncdc.noaa.gov/cag/