Climate at a Glance

Divisional 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 August 2022. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, August 1966

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1966
1-Month
73.1°F
(22.8°C)
76.0°F
(24.4°C)
-2.9°F
(-1.6°C)
12th Coolest Coolest since: 1950 1915
117th Warmest Warmest since: 1965 1936
Ties: 1994
Jul–Aug 1966
2-Month
77.0°F
(25.0°C)
76.9°F
(24.9°C)
0.1°F
(0.1°C)
69th Coolest Coolest since: 1965 1967
60th Warmest Warmest since: 1959 1936
Ties: 1978
Jun–Aug 1966
3-Month
75.6°F
(24.2°C)
75.9°F
(24.4°C)
-0.3°F
(-0.2°C)
50th Coolest Coolest since: 1965 1915, 1927
79th Warmest Warmest since: 1964 1936
Ties: 1935, 1942, 1948, 2000
May–Aug 1966
4-Month
72.3°F
(22.4°C)
73.2°F
(22.9°C)
-0.9°F
(-0.5°C)
34th Coolest Coolest since: 1961 1967
95th Warmest Warmest since: 1965 1936
Ties: 2003, 2009
Apr–Aug 1966
5-Month
68.5°F
(20.3°C)
69.7°F
(20.9°C)
-1.2°F
(-0.6°C)
21st Coolest Coolest since: 1961 1907
108th Warmest Warmest since: 1965 2010
Ties: 1897, 1971, 1979
Mar–Aug 1966
6-Month
64.8°F
(18.2°C)
65.5°F
(18.6°C)
-0.7°F
(-0.4°C)
32nd Coolest Coolest since: 1961 1904
97th Warmest Warmest since: 1965 2012
Ties: 1967, 1982, 2008
Feb–Aug 1966
7-Month
60.2°F
(15.7°C)
61.1°F
(16.2°C)
-0.9°F
(-0.5°C)
33rd Coolest Coolest since: 1961 1904
96th Warmest Warmest since: 1965 2012
Ties: 1900, 1967, 1996, 2008
Jan–Aug 1966
8-Month
56.0°F
(13.3°C)
57.4°F
(14.1°C)
-1.4°F
(-0.8°C)
20th Coolest Coolest since: 1961 1912
109th Warmest Warmest since: 1965 2012
Ties: 1961
Dec 1965–Aug 1966
9-Month
54.4°F
(12.4°C)
54.8°F
(12.7°C)
-0.4°F
(-0.3°C)
41st Coolest Coolest since: 1963 1904
87th Warmest Warmest since: 1965 2012
Ties: 1962, 1977
Nov 1965–Aug 1966
10-Month
53.9°F
(12.2°C)
53.8°F
(12.1°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1965 1904
70th Warmest Warmest since: 1964 2012
Ties: 1898, 1923, 1964, 1967, 1975, 1989
Oct 1965–Aug 1966
11-Month
54.1°F
(12.3°C)
54.2°F
(12.3°C)
-0.1°F
(0.0°C)
53rd Coolest Coolest since: 1965 1904
75th Warmest Warmest since: 1964 2012
Ties: 1948, 1975
Sep 1965–Aug 1966
12-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
53rd Coolest Coolest since: 1965 1904
75th Warmest Warmest since: 1964 2012
Ties: 1928, 1944, 2009, 2013
Mar 1965–Aug 1966
18-Month
58.5°F
(14.7°C)
58.7°F
(14.8°C)
-0.2°F
(-0.1°C)
50th Coolest Coolest since: 1963 1904
78th Warmest Warmest since: 1965 2012
Ties: 1913, 1925, 1936, 1945, 1990
Sep 1964–Aug 1966
24-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
47th Coolest Coolest since: 1964 1979
80th Warmest Warmest since: 1965 2017
Ties: 1925, 1964, 1990
Sep 1963–Aug 1966
36-Month
55.5°F
(13.1°C)
55.3°F
(12.9°C)
0.2°F
(0.2°C)
69th Coolest Coolest since: 1965 1979
57th Warmest Warmest since: 1957 2018
Ties: 1909, 1915, 1916, 1924, 1947, 1950, 1973, 1975
Sep 1962–Aug 1966
48-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1965 1980
84th Warmest Warmest since: 1965 2019
Ties: 1903, 1926, 1952, 1965, 1977
Sep 1961–Aug 1966
60-Month
55.2°F
(12.9°C)
55.3°F
(12.9°C)
-0.1°F
(0.0°C)
47th Coolest Coolest since: 1965 1906
77th Warmest Warmest since: 1959 2020
Ties: 1901, 1914, 1931, 1977, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, Average Temperature, published September 2022, retrieved on October 1, 2022 from https://www.ncdc.noaa.gov/cag/