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 1930

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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1930
1-Month
63.2°F
(17.3°C)
62.1°F
(16.7°C)
1.1°F
(0.6°C)
76th Coolest Coolest since: 1929 1917
50th Warmest Warmest since: 1926 2018
Ties: 1899, 1906, 1980, 1993
Apr–May 1930
2-Month
58.8°F
(14.9°C)
56.8°F
(13.8°C)
2.0°F
(1.1°C)
99th Coolest Coolest since: 1929 1907
27th Warmest Warmest since: 1922 1896
Ties: 1906
Mar–May 1930
3-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
81st Coolest Coolest since: 1928 1960
45th Warmest Warmest since: 1929 2012
Ties: 1981, 1999
Feb–May 1930
4-Month
48.8°F
(9.3°C)
45.7°F
(7.6°C)
3.1°F
(1.7°C)
113th Coolest Coolest since: 1929 1978
13th Warmest Warmest since: 1921 2012
Ties: 2004
Jan–May 1930
5-Month
42.8°F
(6.0°C)
41.6°F
(5.3°C)
1.2°F
(0.7°C)
88th Coolest Coolest since: 1929 1978, 1979
38th Warmest Warmest since: 1927 2012
Ties: 1931, 2010
Dec 1929–May 1930
6-Month
40.5°F
(4.7°C)
39.6°F
(4.2°C)
0.9°F
(0.5°C)
81st Coolest Coolest since: 1929 1978
44th Warmest Warmest since: 1927 2012
Ties: 1957, 1973, 2010
Nov 1929–May 1930
7-Month
39.9°F
(4.4°C)
39.8°F
(4.3°C)
0.1°F
(0.1°C)
66th Coolest Coolest since: 1929 1904
59th Warmest Warmest since: 1928 2012
Ties: 1927, 1944, 1966, 1975
Oct 1929–May 1930
8-Month
41.5°F
(5.3°C)
41.6°F
(5.3°C)
-0.1°F
(0.0°C)
51st Coolest Coolest since: 1929 1904, 1978
74th Warmest Warmest since: 1928 2012
Ties: 1916, 1947, 1973
Sep 1929–May 1930
9-Month
44.1°F
(6.7°C)
44.3°F
(6.8°C)
-0.2°F
(-0.1°C)
42nd Coolest Coolest since: 1929 1904
83rd Warmest Warmest since: 1928 2012
Ties: 1907, 1915, 1956, 1959, 1962, 1965, 2001
Aug 1929–May 1930
10-Month
46.8°F
(8.2°C)
47.2°F
(8.4°C)
-0.4°F
(-0.2°C)
39th Coolest Coolest since: 1929 1904
86th Warmest Warmest since: 1928 2012
Ties: 1952
Jul 1929–May 1930
11-Month
49.4°F
(9.7°C)
49.8°F
(9.9°C)
-0.4°F
(-0.2°C)
40th Coolest Coolest since: 1929 1904
85th Warmest Warmest since: 1928 2012
Ties: 1906, 1959, 1962, 1975
Jun 1929–May 1930
12-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
35th Coolest Coolest since: 1929 1904
90th Warmest Warmest since: 1928 2012
Ties: 1943, 1971
Dec 1928–May 1930
18-Month
47.0°F
(8.3°C)
47.7°F
(8.7°C)
-0.7°F
(-0.4°C)
33rd Coolest Coolest since: 1929 1979
91st Warmest Warmest since: 1928 2017
Ties: 1927, 1982, 1983
Jun 1928–May 1930
24-Month
50.9°F
(10.5°C)
51.7°F
(10.9°C)
-0.8°F
(-0.4°C)
23rd Coolest Coolest since: 1919 1905
101st Warmest Warmest since: 1929 2017
Ties: 1951, 1959
Jun 1927–May 1930
36-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
23rd Coolest Coolest since: 1926 1979
100th Warmest Warmest since: 1929 2018
Ties: 1901, 1917, 1962, 1968, 1981
Jun 1926–May 1930
48-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
24th Coolest Coolest since: 1929 1980
98th Warmest Warmest since: 1928 2019
Ties: 1900, 1927, 1968, 1996, 1997
Jun 1925–May 1930
60-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
16th Coolest Coolest since: 1920 1906, 1907, 1908, 1981
105th Warmest Warmest since: 1929 2002
Ties: 1909, 1962, 1972, 1983, 1997

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/