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 March 2021. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, October 1978

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 1978
1-Month
52.4°F
(11.3°C)
54.6°F
(12.6°C)
-2.2°F
(-1.3°C)
28th Coolest Coolest since: 1977 1925
99th Warmest Warmest since: 1975 1963
Ties: 1945
Sep–Oct 1978
2-Month
61.2°F
(16.2°C)
60.4°F
(15.8°C)
0.8°F
(0.4°C)
81st Coolest Coolest since: 1977 1917
46th Warmest Warmest since: 1973 1897, 2016
Ties: 1906, 1914, 1983
Aug–Oct 1978
3-Month
65.2°F
(18.4°C)
64.8°F
(18.2°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 1977 1917
50th Warmest Warmest since: 1973 1947
Jul–Oct 1978
4-Month
67.6°F
(19.8°C)
67.4°F
(19.7°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 1977 1917
56th Warmest Warmest since: 1973 1936
Ties: 1910, 1926
Jun–Oct 1978
5-Month
68.5°F
(20.3°C)
68.2°F
(20.1°C)
0.3°F
(0.2°C)
75th Coolest Coolest since: 1977 1917
52nd Warmest Warmest since: 1973 1936
Ties: 1960, 2000
May–Oct 1978
6-Month
67.2°F
(19.6°C)
67.2°F
(19.6°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1976 1917
70th Warmest Warmest since: 1977 1936
Ties: 1898, 1908, 1943, 1952, 1965, 2001
Apr–Oct 1978
7-Month
65.2°F
(18.4°C)
65.0°F
(18.3°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 1976 1917
60th Warmest Warmest since: 1977 2010
Ties: 1942, 1960, 1965, 1995
Mar–Oct 1978
8-Month
61.2°F
(16.2°C)
61.8°F
(16.6°C)
-0.6°F
(-0.4°C)
39th Coolest Coolest since: 1976 1917
88th Warmest Warmest since: 1977 2012
Ties: 1932
Feb–Oct 1978
9-Month
56.3°F
(13.5°C)
58.2°F
(14.6°C)
-1.9°F
(-1.1°C)
8th Coolest Coolest since: 1958 1917
119th Warmest Warmest since: 1977 2012
Ties: 1958
Jan–Oct 1978
10-Month
52.2°F
(11.2°C)
54.9°F
(12.7°C)
-2.7°F
(-1.5°C)
5th Coolest Coolest since: 1917 1904
122nd Warmest Warmest since: 1977 2012
Dec 1977–Oct 1978
11-Month
49.8°F
(9.9°C)
52.6°F
(11.4°C)
-2.8°F
(-1.5°C)
3rd Coolest Coolest since: 1917 1904
123rd Warmest Warmest since: 1977 2012
Ties: 1979
Nov 1977–Oct 1978
12-Month
49.2°F
(9.6°C)
51.7°F
(10.9°C)
-2.5°F
(-1.3°C)
4th Coolest Coolest since: 1917 1904
122nd Warmest Warmest since: 1977 2012
Ties: 1979, 2014
May 1977–Oct 1978
18-Month
55.5°F
(13.1°C)
56.9°F
(13.8°C)
-1.4°F
(-0.7°C)
10th Coolest Coolest since: 1977 1904
116th Warmest Warmest since: 1976 2012
Ties: 1912, 1968
Nov 1976–Oct 1978
24-Month
49.9°F
(9.9°C)
51.6°F
(10.9°C)
-1.7°F
(-1.0°C)
5th Coolest Coolest since: 1918 1905
120th Warmest Warmest since: 1977 2017
Nov 1975–Oct 1978
36-Month
50.6°F
(10.3°C)
51.6°F
(10.9°C)
-1.0°F
(-0.6°C)
8th Coolest Coolest since: 1918 1904, 1979
116th Warmest Warmest since: 1977 2018
Nov 1974–Oct 1978
48-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
13th Coolest Coolest since: 1970 1905
110th Warmest Warmest since: 1977 2019
Ties: 1919, 1929, 1963
Nov 1973–Oct 1978
60-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
15th Coolest Coolest since: 1971 1905, 1906
107th Warmest Warmest since: 1977 2002, 2020
Ties: 1902, 1927, 1962, 1964, 1969, 1971

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 19, 2021 from https://www.ncdc.noaa.gov/cag/