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 1929

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1929
1-Month
59.1°F
(15.1°C)
62.1°F
(16.7°C)
-3.0°F
(-1.6°C)
27th Coolest Coolest since: 1925 1917
99th Warmest Warmest since: 1928 2018
Ties: 1915, 2002
Apr–May 1929
2-Month
56.5°F
(13.6°C)
56.8°F
(13.8°C)
-0.3°F
(-0.2°C)
46th Coolest Coolest since: 1928 1907
80th Warmest Warmest since: 1925 1896
Ties: 1937
Mar–May 1929
3-Month
52.9°F
(11.6°C)
51.2°F
(10.7°C)
1.7°F
(0.9°C)
98th Coolest Coolest since: 1928 1960
28th Warmest Warmest since: 1925 2012
Ties: 1925, 1964
Feb–May 1929
4-Month
45.1°F
(7.3°C)
45.7°F
(7.6°C)
-0.6°F
(-0.3°C)
49th Coolest Coolest since: 1926 1978
77th Warmest Warmest since: 1928 2012
Ties: 1961, 1969
Jan–May 1929
5-Month
40.1°F
(4.5°C)
41.6°F
(5.3°C)
-1.5°F
(-0.8°C)
26th Coolest Coolest since: 1924 1978, 1979
100th Warmest Warmest since: 1928 2012
Ties: 1970
Dec 1928–May 1929
6-Month
38.8°F
(3.8°C)
39.6°F
(4.2°C)
-0.8°F
(-0.4°C)
37th Coolest Coolest since: 1926 1978
88th Warmest Warmest since: 1928 2012
Ties: 1958, 2008
Nov 1928–May 1929
7-Month
39.1°F
(3.9°C)
39.7°F
(4.3°C)
-0.6°F
(-0.4°C)
38th Coolest Coolest since: 1926 1904
87th Warmest Warmest since: 1928 2012
Ties: 1947
Oct 1928–May 1929
8-Month
41.3°F
(5.2°C)
41.6°F
(5.3°C)
-0.3°F
(-0.1°C)
44th Coolest Coolest since: 1926 1904, 1978
81st Warmest Warmest since: 1928 2012
Ties: 1965, 1989, 2001
Sep 1928–May 1929
9-Month
43.6°F
(6.4°C)
44.3°F
(6.8°C)
-0.7°F
(-0.4°C)
32nd Coolest Coolest since: 1926 1904
93rd Warmest Warmest since: 1928 2012
Ties: 1910, 1980
Aug 1928–May 1929
10-Month
46.7°F
(8.2°C)
47.3°F
(8.5°C)
-0.6°F
(-0.3°C)
36th Coolest Coolest since: 1926 1904
89th Warmest Warmest since: 1928 2012
Ties: 1947, 1971
Jul 1928–May 1929
11-Month
49.3°F
(9.6°C)
49.8°F
(9.9°C)
-0.5°F
(-0.3°C)
36th Coolest Coolest since: 1926 1904
89th Warmest Warmest since: 1928 2012
Ties: 1947, 1971, 1984
Jun 1928–May 1929
12-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
24th Coolest Coolest since: 1926 1904
101st Warmest Warmest since: 1928 2012
Ties: 1960, 1994
Dec 1927–May 1929
18-Month
46.9°F
(8.3°C)
47.6°F
(8.7°C)
-0.7°F
(-0.4°C)
28th Coolest Coolest since: 1924 1979
96th Warmest Warmest since: 1928 2017
Ties: 1903, 1959, 1961, 1962
Jun 1927–May 1929
24-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
26th Coolest Coolest since: 1927 1905
98th Warmest Warmest since: 1928 2017
Ties: 1899, 1926, 1927, 1961
Jun 1926–May 1929
36-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1928 1979
90th Warmest Warmest since: 1925 2018
Ties: 1900, 1908, 1977, 1982, 1995
Jun 1925–May 1929
48-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
19th Coolest Coolest since: 1920 1980
103rd Warmest Warmest since: 1928 2019
Ties: 1902, 1912, 1962, 1969
Jun 1924–May 1929
60-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
22nd Coolest Coolest since: 1928 1906, 1907, 1908, 1981
99th Warmest Warmest since: 1928 2002
Ties: 1903, 1912, 1913, 1928, 1969, 1978

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/