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, October 1939

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
October 1939
1-Month
56.5°F
(13.6°C)
54.6°F
(12.6°C)
1.9°F
(1.0°C)
92nd Coolest Coolest since: 1937 1925
34th Warmest Warmest since: 1938 1963
Ties: 2010
Sep–Oct 1939
2-Month
63.8°F
(17.7°C)
60.4°F
(15.8°C)
3.4°F
(1.9°C)
117th Coolest Coolest since: 1938 1917
9th Warmest Warmest since: 1931 1897, 2016
Ties: 1920, 1998
Aug–Oct 1939
3-Month
66.7°F
(19.3°C)
64.7°F
(18.2°C)
2.0°F
(1.1°C)
109th Coolest Coolest since: 1937 1917
17th Warmest Warmest since: 1938 1947
Ties: 1922, 1953
Jul–Oct 1939
4-Month
69.0°F
(20.6°C)
67.5°F
(19.7°C)
1.5°F
(0.9°C)
105th Coolest Coolest since: 1937 1917
21st Warmest Warmest since: 1938 1936
Ties: 1914, 1919
Jun–Oct 1939
5-Month
69.7°F
(20.9°C)
68.2°F
(20.1°C)
1.5°F
(0.8°C)
101st Coolest Coolest since: 1937 1917
25th Warmest Warmest since: 1938 1936
Ties: 1963, 2002
May–Oct 1939
6-Month
69.0°F
(20.6°C)
67.3°F
(19.6°C)
1.7°F
(1.0°C)
110th Coolest Coolest since: 1938 1917
16th Warmest Warmest since: 1936 1936
Ties: 2005
Apr–Oct 1939
7-Month
66.0°F
(18.9°C)
65.0°F
(18.3°C)
1.0°F
(0.6°C)
96th Coolest Coolest since: 1937 1917
30th Warmest Warmest since: 1938 2010
Ties: 1911, 1944, 1988
Mar–Oct 1939
8-Month
63.0°F
(17.2°C)
61.8°F
(16.6°C)
1.2°F
(0.6°C)
100th Coolest Coolest since: 1937 1917
26th Warmest Warmest since: 1938 2012
Ties: 1914, 2018
Feb–Oct 1939
9-Month
59.2°F
(15.1°C)
58.3°F
(14.6°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 1937 1917
33rd Warmest Warmest since: 1938 2012
Ties: 1925, 1936
Jan–Oct 1939
10-Month
56.5°F
(13.6°C)
54.9°F
(12.7°C)
1.6°F
(0.9°C)
104th Coolest Coolest since: 1937 1904
22nd Warmest Warmest since: 1938 2012
Ties: 1955, 1973
Dec 1938–Oct 1939
11-Month
54.1°F
(12.3°C)
52.6°F
(11.4°C)
1.5°F
(0.9°C)
100th Coolest Coolest since: 1937 1904
25th Warmest Warmest since: 1938 2012
Ties: 1922
Nov 1938–Oct 1939
12-Month
53.2°F
(11.8°C)
51.6°F
(10.9°C)
1.6°F
(0.9°C)
102nd Coolest Coolest since: 1937 1904
23rd Warmest Warmest since: 1938 2012
Ties: 1955, 2006
May 1938–Oct 1939
18-Month
58.3°F
(14.6°C)
56.8°F
(13.8°C)
1.5°F
(0.8°C)
109th Coolest Coolest since: 1938 1904
16th Warmest Warmest since: 1934 2012
Ties: 1914, 1955, 1991
Nov 1937–Oct 1939
24-Month
53.2°F
(11.8°C)
51.6°F
(10.9°C)
1.6°F
(0.9°C)
108th Coolest Coolest since: 1938 1905
16th Warmest Warmest since: 1933 2017
Nov 1936–Oct 1939
36-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
95th Coolest Coolest since: 1938 1904, 1979
28th Warmest Warmest since: 1935 2018
Ties: 1989, 2014
Nov 1935–Oct 1939
48-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
86th Coolest Coolest since: 1938 1905
36th Warmest Warmest since: 1936 2019
Ties: 1923, 1944, 2015
Nov 1934–Oct 1939
60-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
85th Coolest Coolest since: 1938 1905, 1906
36th Warmest Warmest since: 1938 2002
Ties: 1922, 1925, 1938, 1941, 1958, 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 14, 2019 from https://www.ncdc.noaa.gov/cag/