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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 2019

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 2019
1-Month
67.3°F
(19.6°C)
65.1°F
(18.4°C)
2.2°F
(1.2°C)
99th Coolest Coolest since: 2017 1917, 1924
28th Warmest Warmest since: 2018 2018
Ties: 2015
Apr–May 2019
2-Month
62.2°F
(16.8°C)
60.2°F
(15.7°C)
2.0°F
(1.1°C)
102nd Coolest Coolest since: 2018 1907
25th Warmest Warmest since: 2017 1896
Ties: 1906, 1934, 1999
Mar–May 2019
3-Month
55.5°F
(13.1°C)
55.0°F
(12.8°C)
0.5°F
(0.3°C)
71st Coolest Coolest since: 2018 1960
56th Warmest Warmest since: 2018 2012
Ties: 1953, 1957, 2018, 2020
Feb–May 2019
4-Month
51.0°F
(10.6°C)
50.0°F
(10.0°C)
1.0°F
(0.6°C)
84th Coolest Coolest since: 2015 1978
43rd Warmest Warmest since: 2018 2012
Ties: 1981, 1985, 2020
Jan–May 2019
5-Month
47.3°F
(8.5°C)
46.2°F
(7.9°C)
1.1°F
(0.6°C)
87th Coolest Coolest since: 2018 1978
40th Warmest Warmest since: 2017 2012
Dec 2018–May 2019
6-Month
45.9°F
(7.7°C)
44.2°F
(6.8°C)
1.7°F
(0.9°C)
100th Coolest Coolest since: 2018 1978
26th Warmest Warmest since: 2017 2012
Nov 2018–May 2019
7-Month
45.0°F
(7.2°C)
44.3°F
(6.8°C)
0.7°F
(0.4°C)
80th Coolest Coolest since: 2018 1978
46th Warmest Warmest since: 2018 2012
Ties: 1941, 1983, 1988, 1990, 2018
Oct 2018–May 2019
8-Month
46.7°F
(8.2°C)
46.0°F
(7.8°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 2015 1978
43rd Warmest Warmest since: 2018 2012
Ties: 1949, 1985
Sep 2018–May 2019
9-Month
49.6°F
(9.8°C)
48.5°F
(9.2°C)
1.1°F
(0.6°C)
94th Coolest Coolest since: 2018 1978
32nd Warmest Warmest since: 2018 2012
Ties: 1925, 1938, 1941, 2018
Aug 2018–May 2019
10-Month
52.3°F
(11.3°C)
51.3°F
(10.7°C)
1.0°F
(0.6°C)
95th Coolest Coolest since: 2018 1978
31st Warmest Warmest since: 2017 2012
Ties: 1898, 1919, 1935
Jul 2018–May 2019
11-Month
54.7°F
(12.6°C)
53.7°F
(12.1°C)
1.0°F
(0.5°C)
96th Coolest Coolest since: 2018 1918
30th Warmest Warmest since: 2017 2012
Ties: 1898, 1914, 1938, 1976, 2008
Jun 2018–May 2019
12-Month
56.6°F
(13.7°C)
55.3°F
(12.9°C)
1.3°F
(0.8°C)
101st Coolest Coolest since: 2018 1904, 1918
25th Warmest Warmest since: 2017 2012
Ties: 1937, 2011
Dec 2017–May 2019
18-Month
52.7°F
(11.5°C)
51.7°F
(10.9°C)
1.0°F
(0.6°C)
98th Coolest Coolest since: 2015 1979
27th Warmest Warmest since: 2018 2017
Ties: 1988
Jun 2017–May 2019
24-Month
56.4°F
(13.6°C)
55.4°F
(13.0°C)
1.0°F
(0.6°C)
102nd Coolest Coolest since: 2016 1905, 1978
23rd Warmest Warmest since: 2018 2017
Ties: 1934, 2001, 2005, 2016
Jun 2016–May 2019
36-Month
57.4°F
(14.1°C)
55.3°F
(12.9°C)
2.1°F
(1.2°C)
121st Coolest Coolest since: 2017 1979
3rd Warmest Warmest since: 2018 2018
Ties: 2000, 2017
Jun 2015–May 2019
48-Month
57.6°F
(14.2°C)
55.3°F
(12.9°C)
2.3°F
(1.3°C)
122nd Coolest Coolest since: 2018 1980
1st Warmest Warmest to Date 2019
Jun 2014–May 2019
60-Month
57.0°F
(13.9°C)
55.3°F
(12.9°C)
1.7°F
(1.0°C)
120th Coolest Coolest since: 2018 1979, 1980, 1981
2nd Warmest Warmest since: 1935 2020
Ties: 1935

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on February 25, 2021 from https://www.ncdc.noaa.gov/cag/