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 September 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, August 2018

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 2018
1-Month
75.1°F
(23.9°C)
73.6°F
(23.1°C)
1.5°F
(0.8°C)
97th Coolest Coolest since: 2017 1915
30th Warmest Warmest since: 2011 1947
Jul–Aug 2018
2-Month
75.1°F
(23.9°C)
74.8°F
(23.8°C)
0.3°F
(0.1°C)
83rd Coolest Coolest since: 2017 1915
44th Warmest Warmest since: 2012 1936
Ties: 1932, 1940, 1999, 2003
Jun–Aug 2018
3-Month
75.3°F
(24.1°C)
73.7°F
(23.2°C)
1.6°F
(0.9°C)
99th Coolest Coolest since: 2017 1915
28th Warmest Warmest since: 2012 1936
May–Aug 2018
4-Month
74.3°F
(23.5°C)
70.9°F
(21.6°C)
3.4°F
(1.9°C)
124th Coolest Coolest since: 2017 1915
3rd Warmest Warmest since: 1936 1934
Apr–Aug 2018
5-Month
68.2°F
(20.1°C)
67.0°F
(19.4°C)
1.2°F
(0.7°C)
99th Coolest Coolest since: 2017 1907
28th Warmest Warmest since: 2012 1934
Ties: 1980, 1998
Mar–Aug 2018
6-Month
63.2°F
(17.3°C)
62.3°F
(16.8°C)
0.9°F
(0.5°C)
92nd Coolest Coolest since: 2017 1950
35th Warmest Warmest since: 2017 2012
Ties: 1910, 1942, 1954, 2017
Feb–Aug 2018
7-Month
58.3°F
(14.6°C)
57.4°F
(14.1°C)
0.9°F
(0.5°C)
88th Coolest Coolest since: 2015 1904
39th Warmest Warmest since: 2017 2012
Ties: 1986
Jan–Aug 2018
8-Month
53.9°F
(12.2°C)
53.2°F
(11.8°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 2015 1904
44th Warmest Warmest since: 2017 2012
Ties: 1913, 1942, 1981
Dec 2017–Aug 2018
9-Month
51.2°F
(10.7°C)
50.5°F
(10.3°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 2015 1904
43rd Warmest Warmest since: 2017 2012
Ties: 1908, 1944, 1981
Nov 2017–Aug 2018
10-Month
50.1°F
(10.1°C)
49.4°F
(9.7°C)
0.7°F
(0.4°C)
86th Coolest Coolest since: 2015 1904
40th Warmest Warmest since: 2017 2012
Ties: 1930, 1957, 2004
Oct 2017–Aug 2018
11-Month
50.7°F
(10.4°C)
49.9°F
(9.9°C)
0.8°F
(0.5°C)
89th Coolest Coolest since: 2015 1904
37th Warmest Warmest since: 2017 2012
Ties: 1933, 2010, 2020
Sep 2017–Aug 2018
12-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
92nd Coolest Coolest since: 2015 1904
34th Warmest Warmest since: 2017 2012
Ties: 1913, 1988
Mar 2017–Aug 2018
18-Month
55.9°F
(13.3°C)
55.0°F
(12.8°C)
0.9°F
(0.5°C)
96th Coolest Coolest since: 2015 1904
30th Warmest Warmest since: 2017 2012
Ties: 1957
Sep 2016–Aug 2018
24-Month
53.4°F
(11.9°C)
51.2°F
(10.7°C)
2.2°F
(1.2°C)
118th Coolest Coolest since: 2016 1979
7th Warmest Warmest since: 2017 2017
Ties: 1999
Sep 2015–Aug 2018
36-Month
53.8°F
(12.1°C)
51.2°F
(10.7°C)
2.6°F
(1.4°C)
123rd Coolest Coolest since: 2017 1979
1st Warmest Warmest to Date 2018
Sep 2014–Aug 2018
48-Month
52.9°F
(11.6°C)
51.2°F
(10.7°C)
1.7°F
(0.9°C)
119th Coolest Coolest since: 2017 1905
4th Warmest Warmest since: 1935 1934
Sep 2013–Aug 2018
60-Month
52.0°F
(11.1°C)
51.2°F
(10.7°C)
0.8°F
(0.4°C)
99th Coolest Coolest since: 2017 1906
23rd Warmest Warmest since: 2013 1934, 1935
Ties: 1938, 1941, 1955, 1958, 1990, 2004, 2005, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published October 2020, retrieved on October 22, 2020 from https://www.ncdc.noaa.gov/cag/