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 1947

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1947
1-Month
58.5°F
(14.7°C)
62.1°F
(16.7°C)
-3.6°F
(-2.0°C)
13th Coolest Coolest since: 1945 1917
113th Warmest Warmest since: 1946 2018
Ties: 1931
Apr–May 1947
2-Month
54.6°F
(12.6°C)
56.8°F
(13.8°C)
-2.2°F
(-1.2°C)
14th Coolest Coolest since: 1940 1907
112th Warmest Warmest since: 1946 1896
Ties: 1910, 1926, 1950, 1984
Mar–May 1947
3-Month
47.5°F
(8.6°C)
51.1°F
(10.6°C)
-3.6°F
(-2.0°C)
3rd Coolest Coolest to Date 1960
123rd Warmest Warmest since: 1946 2012
Feb–May 1947
4-Month
41.4°F
(5.2°C)
45.7°F
(7.6°C)
-4.3°F
(-2.4°C)
3rd Coolest Coolest to Date 1978
123rd Warmest Warmest since: 1946 2012
Jan–May 1947
5-Month
39.1°F
(3.9°C)
41.6°F
(5.3°C)
-2.5°F
(-1.4°C)
15th Coolest Coolest since: 1940 1978, 1979
111th Warmest Warmest since: 1946 2012
Ties: 1920
Dec 1946–May 1947
6-Month
38.4°F
(3.6°C)
39.6°F
(4.2°C)
-1.2°F
(-0.6°C)
26th Coolest Coolest since: 1943 1978
99th Warmest Warmest since: 1946 2012
Ties: 1961
Nov 1946–May 1947
7-Month
39.1°F
(3.9°C)
39.8°F
(4.3°C)
-0.7°F
(-0.4°C)
38th Coolest Coolest since: 1943 1904
87th Warmest Warmest since: 1946 2012
Ties: 1929
Oct 1946–May 1947
8-Month
41.5°F
(5.3°C)
41.6°F
(5.3°C)
-0.1°F
(0.0°C)
51st Coolest Coolest since: 1943 1904, 1978
74th Warmest Warmest since: 1946 2012
Ties: 1916, 1930, 1973
Sep 1946–May 1947
9-Month
44.2°F
(6.8°C)
44.4°F
(6.9°C)
-0.2°F
(-0.1°C)
50th Coolest Coolest since: 1944 1904
75th Warmest Warmest since: 1946 2012
Ties: 1900, 1937, 1961, 1967, 1989
Aug 1946–May 1947
10-Month
46.7°F
(8.2°C)
47.2°F
(8.4°C)
-0.5°F
(-0.2°C)
36th Coolest Coolest since: 1943 1904
89th Warmest Warmest since: 1946 2012
Ties: 1929, 1971
Jul 1946–May 1947
11-Month
49.3°F
(9.6°C)
49.8°F
(9.9°C)
-0.5°F
(-0.3°C)
36th Coolest Coolest since: 1943 1904
89th Warmest Warmest since: 1946 2012
Ties: 1929, 1971, 1984
Jun 1946–May 1947
12-Month
51.2°F
(10.7°C)
51.7°F
(10.9°C)
-0.5°F
(-0.2°C)
41st Coolest Coolest since: 1943 1904
84th Warmest Warmest since: 1946 2012
Ties: 1902, 1906, 1907, 1908, 1913, 1961, 1984, 2001
Dec 1945–May 1947
18-Month
48.0°F
(8.9°C)
47.6°F
(8.7°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1946 1979
48th Warmest Warmest since: 1945 2017
Ties: 1972, 1986, 1995
Jun 1945–May 1947
24-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
53rd Coolest Coolest since: 1944 1905
71st Warmest Warmest since: 1946 2017
Ties: 1898, 1909, 1920
Jun 1944–May 1947
36-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1945 1979
56th Warmest Warmest since: 1946 2018
Ties: 1898, 1938, 1948, 1958, 1966, 1973, 1975
Jun 1943–May 1947
48-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
57th Coolest Coolest since: 1946 1980
65th Warmest Warmest since: 1946 2019
Ties: 1916, 1946, 1967
Jun 1942–May 1947
60-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
53rd Coolest Coolest since: 1931 1906, 1907, 1908, 1981
68th Warmest Warmest since: 1946 2002
Ties: 1926, 1953, 1977, 1996, 1998

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/