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 December 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, February 2018

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
February 2018
1-Month
31.8°F
(-0.1°C)
29.2°F
(-1.6°C)
2.6°F
(1.5°C)
88th Coolest Coolest since: 2015 1978
38th Warmest Warmest since: 2017 2017
Ties: 1944
Jan–Feb 2018
2-Month
28.0°F
(-2.2°C)
27.3°F
(-2.6°C)
0.7°F
(0.4°C)
68th Coolest Coolest since: 2015 1979
58th Warmest Warmest since: 2017 2017
Ties: 1923
Dec 2017–Feb 2018
3-Month
28.6°F
(-1.9°C)
28.1°F
(-2.2°C)
0.5°F
(0.3°C)
60th Coolest Coolest since: 2015 1978
65th Warmest Warmest since: 2017 1932
Nov 2017–Feb 2018
4-Month
31.9°F
(-0.1°C)
31.2°F
(-0.4°C)
0.7°F
(0.3°C)
70th Coolest Coolest since: 2015 1977
55th Warmest Warmest since: 2017 1932
Ties: 1941
Oct 2017–Feb 2018
5-Month
37.1°F
(2.8°C)
35.9°F
(2.2°C)
1.2°F
(0.6°C)
86th Coolest Coolest since: 2015 1977
39th Warmest Warmest since: 2017 1932
Ties: 1964
Sep 2017–Feb 2018
6-Month
42.4°F
(5.8°C)
40.9°F
(4.9°C)
1.5°F
(0.9°C)
91st Coolest Coolest since: 2015 1977
34th Warmest Warmest since: 2017 1932
Ties: 1949, 1953, 2013
Aug 2017–Feb 2018
7-Month
46.4°F
(8.0°C)
45.6°F
(7.6°C)
0.8°F
(0.4°C)
78th Coolest Coolest since: 2015 1977
47th Warmest Warmest since: 2017 1932
Ties: 1947, 1981, 1989
Jul 2017–Feb 2018
8-Month
50.1°F
(10.1°C)
49.3°F
(9.6°C)
0.8°F
(0.5°C)
80th Coolest Coolest since: 2015 1977
45th Warmest Warmest since: 2017 1932
Jun 2017–Feb 2018
9-Month
52.6°F
(11.4°C)
51.8°F
(11.0°C)
0.8°F
(0.4°C)
81st Coolest Coolest since: 2015 1977
44th Warmest Warmest since: 2017 1932
Ties: 2011, 2019
May 2017–Feb 2018
10-Month
53.6°F
(12.0°C)
52.9°F
(11.6°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 2015 1918
42nd Warmest Warmest since: 2017 1932
Ties: 1901, 1960, 1974
Apr 2017–Feb 2018
11-Month
53.8°F
(12.1°C)
52.7°F
(11.5°C)
1.1°F
(0.6°C)
96th Coolest Coolest since: 2015 1918
29th Warmest Warmest since: 2017 1932
Ties: 1976, 1988, 1995
Mar 2017–Feb 2018
12-Month
52.9°F
(11.6°C)
51.6°F
(10.9°C)
1.3°F
(0.7°C)
97th Coolest Coolest since: 2015 1918
28th Warmest Warmest since: 2017 2017
Ties: 1955, 1974
Sep 2016–Feb 2018
18-Month
50.9°F
(10.5°C)
48.1°F
(8.9°C)
2.8°F
(1.6°C)
120th Coolest Coolest since: 2016 1905
4th Warmest Warmest since: 2017 2017
Ties: 1999
Mar 2016–Feb 2018
24-Month
54.4°F
(12.4°C)
51.7°F
(10.9°C)
2.7°F
(1.5°C)
121st Coolest Coolest since: 2016 1905
3rd Warmest Warmest since: 2017 2017
Mar 2015–Feb 2018
36-Month
54.3°F
(12.4°C)
51.6°F
(10.9°C)
2.7°F
(1.5°C)
122nd Coolest Coolest since: 2017 1905, 1918, 1979
1st Warmest Warmest since: 2013 2013, 2018
Ties: 2013
Mar 2014–Feb 2018
48-Month
53.2°F
(11.8°C)
51.6°F
(10.9°C)
1.6°F
(0.9°C)
115th Coolest Coolest since: 2017 1905
7th Warmest Warmest since: 2013 2019
Mar 2013–Feb 2018
60-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
99th Coolest Coolest since: 2015 1905
22nd Warmest Warmest since: 2017 1935, 2002
Ties: 1936, 1943, 1956, 1990

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 25, 2020 from https://www.ncdc.noaa.gov/cag/