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, April 2017

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 2017
1-Month
60.4°F
(15.8°C)
55.3°F
(12.9°C)
5.1°F
(2.9°C)
117th Coolest Coolest since: 2016 1907
10th Warmest Warmest since: 2010 1896
Mar–Apr 2017
2-Month
54.4°F
(12.4°C)
50.0°F
(10.0°C)
4.4°F
(2.4°C)
117th Coolest Coolest since: 2015 1926, 1960
10th Warmest Warmest since: 2016 2012
Ties: 1967
Feb–Apr 2017
3-Month
51.5°F
(10.8°C)
44.9°F
(7.2°C)
6.6°F
(3.6°C)
125th Coolest Coolest since: 2016 1899
2nd Warmest Warmest since: 2012 2012
Ties: 1946
Jan–Apr 2017
4-Month
48.1°F
(8.9°C)
41.4°F
(5.2°C)
6.7°F
(3.7°C)
125th Coolest Coolest since: 2016 1978
2nd Warmest Warmest since: 2012 2012
Dec 2016–Apr 2017
5-Month
45.3°F
(7.4°C)
40.0°F
(4.4°C)
5.3°F
(3.0°C)
124th Coolest Coolest since: 2016 1978
2nd Warmest Warmest since: 2012 2012
Nov 2016–Apr 2017
6-Month
46.1°F
(7.8°C)
40.8°F
(4.9°C)
5.3°F
(2.9°C)
124th Coolest Coolest since: 2016 1912
2nd Warmest Warmest since: 2012 2012
Oct 2016–Apr 2017
7-Month
48.5°F
(9.2°C)
43.2°F
(6.2°C)
5.3°F
(3.0°C)
124th Coolest Coolest since: 2016 1899, 1978
2nd Warmest Warmest since: 2012 2012
Sep 2016–Apr 2017
8-Month
51.5°F
(10.8°C)
46.4°F
(8.0°C)
5.1°F
(2.8°C)
125th Coolest Coolest since: 2016 1918
1st Warmest Warmest to Date 2017
Aug 2016–Apr 2017
9-Month
54.5°F
(12.5°C)
49.8°F
(9.9°C)
4.7°F
(2.6°C)
125th Coolest Coolest since: 2016 1918
1st Warmest Warmest to Date 2017
Jul 2016–Apr 2017
10-Month
56.9°F
(13.8°C)
52.5°F
(11.4°C)
4.4°F
(2.4°C)
124th Coolest Coolest since: 2016 1918
2nd Warmest Warmest since: 2012 2012
Jun 2016–Apr 2017
11-Month
58.8°F
(14.9°C)
54.5°F
(12.5°C)
4.3°F
(2.4°C)
125th Coolest Coolest since: 2016 1918
1st Warmest Warmest since: 2012 2012, 2017
Ties: 2012
May 2016–Apr 2017
12-Month
59.3°F
(15.2°C)
55.4°F
(13.0°C)
3.9°F
(2.2°C)
125th Coolest Coolest since: 2016 1918
1st Warmest Warmest since: 2012 2012, 2017
Ties: 2012
Nov 2015–Apr 2017
18-Month
54.9°F
(12.7°C)
50.6°F
(10.3°C)
4.3°F
(2.4°C)
124th Coolest Coolest since: 2016 1979
1st Warmest Warmest to Date 2017
May 2015–Apr 2017
24-Month
58.9°F
(14.9°C)
55.4°F
(13.0°C)
3.5°F
(1.9°C)
124th Coolest Coolest since: 2016 1978
1st Warmest Warmest to Date 2017
May 2014–Apr 2017
36-Month
57.4°F
(14.1°C)
55.3°F
(12.9°C)
2.1°F
(1.2°C)
121st Coolest Coolest since: 2016 1979
3rd Warmest Warmest since: 2013 2018
May 2013–Apr 2017
48-Month
56.5°F
(13.6°C)
55.3°F
(12.9°C)
1.2°F
(0.7°C)
104th Coolest Coolest since: 2016 1980
19th Warmest Warmest since: 2014 2019
May 2012–Apr 2017
60-Month
56.6°F
(13.7°C)
55.4°F
(13.0°C)
1.2°F
(0.7°C)
110th Coolest Coolest since: 2016 1980, 1981
12th Warmest Warmest since: 2016 2020
Ties: 2016

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on February 28, 2021 from https://www.ncdc.noaa.gov/cag/