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


Illinois

Average Temperature Rankings, May 1905

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1905
1-Month
62.5°F
(16.9°C)
62.1°F
(16.7°C)
0.4°F
(0.2°C)
65th Coolest Coolest since: 1904 1917
61st Warmest Warmest since: 1903 2018
Ties: 1908, 2019
Apr–May 1905
2-Month
56.8°F
(13.8°C)
56.8°F
(13.8°C)
0.0°F
(0.0°C)
49th Coolest Coolest since: 1904 1907
77th Warmest Warmest since: 1903 1896
Ties: 1913, 1939, 1946, 1952, 1956, 1975, 1978
Mar–May 1905
3-Month
52.7°F
(11.5°C)
51.2°F
(10.7°C)
1.5°F
(0.8°C)
94th Coolest Coolest since: 1904 1960
32nd Warmest Warmest since: 1903 2012
Ties: 1959, 1976
Feb–May 1905
4-Month
43.9°F
(6.6°C)
45.7°F
(7.6°C)
-1.8°F
(-1.0°C)
29th Coolest Coolest since: 1904 1978
97th Warmest Warmest since: 1903 2012
Jan–May 1905
5-Month
38.9°F
(3.8°C)
41.6°F
(5.3°C)
-2.7°F
(-1.5°C)
12th Coolest Coolest since: 1904 1978, 1979
114th Warmest Warmest since: 1903 2012
Ties: 1917
Dec 1904–May 1905
6-Month
37.1°F
(2.8°C)
39.6°F
(4.2°C)
-2.5°F
(-1.4°C)
14th Coolest Coolest since: 1904 1978
111th Warmest Warmest since: 1903 2012
Nov 1904–May 1905
7-Month
37.7°F
(3.2°C)
39.8°F
(4.3°C)
-2.1°F
(-1.1°C)
17th Coolest Coolest since: 1904 1904
108th Warmest Warmest since: 1903 2012
Oct 1904–May 1905
8-Month
39.7°F
(4.3°C)
41.6°F
(5.3°C)
-1.9°F
(-1.0°C)
13th Coolest Coolest since: 1904 1904, 1978
112th Warmest Warmest since: 1903 2012
Ties: 1917, 1940, 1984
Sep 1904–May 1905
9-Month
42.6°F
(5.9°C)
44.3°F
(6.8°C)
-1.7°F
(-0.9°C)
13th Coolest Coolest since: 1904 1904
112th Warmest Warmest since: 1903 2012
Ties: 1951, 1982
Aug 1904–May 1905
10-Month
45.3°F
(7.4°C)
47.2°F
(8.4°C)
-1.9°F
(-1.0°C)
10th Coolest Coolest since: 1904 1904
115th Warmest Warmest since: 1903 2012
Ties: 1951
Jul 1904–May 1905
11-Month
47.8°F
(8.8°C)
49.9°F
(9.9°C)
-2.1°F
(-1.1°C)
9th Coolest Coolest since: 1904 1904
116th Warmest Warmest since: 1903 2012
Ties: 1977
Jun 1904–May 1905
12-Month
49.6°F
(9.8°C)
51.7°F
(10.9°C)
-2.1°F
(-1.1°C)
4th Coolest Coolest since: 1904 1904
121st Warmest Warmest since: 1903 2012
Ties: 1899, 1912, 1951, 1979, 2014
Dec 1903–May 1905
18-Month
44.6°F
(7.0°C)
47.6°F
(8.7°C)
-3.0°F
(-1.7°C)
2nd Coolest Coolest to Date 1979
122nd Warmest Warmest since: 1904 2017
Jun 1903–May 1905
24-Month
48.8°F
(9.3°C)
51.6°F
(10.9°C)
-2.8°F
(-1.6°C)
1st Coolest Coolest to Date 1905
123rd Warmest Warmest since: 1904 2017
Jun 1902–May 1905
36-Month
49.7°F
(9.8°C)
51.6°F
(10.9°C)
-1.9°F
(-1.1°C)
3rd Coolest Coolest to Date 1979
120th Warmest Warmest since: 1904 2018
Jun 1901–May 1905
48-Month
50.0°F
(10.0°C)
51.6°F
(10.9°C)
-1.6°F
(-0.9°C)
2nd Coolest Coolest to Date 1980
120th Warmest Warmest since: 1904 2019
Ties: 1907
Jun 1900–May 1905
60-Month
50.4°F
(10.2°C)
51.6°F
(10.9°C)
-1.2°F
(-0.7°C)
5th Coolest Coolest to Date 1906, 1907, 1908, 1981
116th Warmest Warmest since: 1904 2002
Ties: 1979, 1980, 1982

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/