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 1950

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1950
1-Month
63.4°F
(17.4°C)
62.1°F
(16.7°C)
1.3°F
(0.7°C)
78th Coolest Coolest since: 1948 1917
48th Warmest Warmest since: 1949 2018
Ties: 1932
Apr–May 1950
2-Month
54.6°F
(12.6°C)
56.8°F
(13.8°C)
-2.2°F
(-1.2°C)
14th Coolest Coolest since: 1947 1907
112th Warmest Warmest since: 1949 1896
Ties: 1910, 1926, 1947, 1984
Mar–May 1950
3-Month
48.4°F
(9.1°C)
51.1°F
(10.6°C)
-2.7°F
(-1.5°C)
8th Coolest Coolest since: 1947 1960
118th Warmest Warmest since: 1949 2012
Ties: 1917
Feb–May 1950
4-Month
43.6°F
(6.4°C)
45.6°F
(7.6°C)
-2.0°F
(-1.2°C)
20th Coolest Coolest since: 1947 1978
106th Warmest Warmest since: 1949 2012
Ties: 1907, 1936
Jan–May 1950
5-Month
41.3°F
(5.2°C)
41.6°F
(5.3°C)
-0.3°F
(-0.1°C)
53rd Coolest Coolest since: 1948 1978, 1979
73rd Warmest Warmest since: 1949 2012
Ties: 1914, 1988
Dec 1949–May 1950
6-Month
40.1°F
(4.5°C)
39.6°F
(4.2°C)
0.5°F
(0.3°C)
72nd Coolest Coolest since: 1948 1978
53rd Warmest Warmest since: 1949 2012
Ties: 1986, 1988, 2018
Nov 1949–May 1950
7-Month
40.4°F
(4.7°C)
39.7°F
(4.3°C)
0.7°F
(0.4°C)
79th Coolest Coolest since: 1948 1904
46th Warmest Warmest since: 1949 2012
Ties: 1925, 1935, 1967
Oct 1949–May 1950
8-Month
42.5°F
(5.8°C)
41.6°F
(5.3°C)
0.9°F
(0.5°C)
83rd Coolest Coolest since: 1948 1904, 1978
42nd Warmest Warmest since: 1949 2012
Ties: 1935
Sep 1949–May 1950
9-Month
44.5°F
(6.9°C)
44.3°F
(6.8°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1947 1904
59th Warmest Warmest since: 1949 2012
Ties: 1913, 1945, 2009
Aug 1949–May 1950
10-Month
47.4°F
(8.6°C)
47.2°F
(8.4°C)
0.2°F
(0.2°C)
58th Coolest Coolest since: 1947 1904
67th Warmest Warmest since: 1949 2012
Ties: 1903, 1927, 1933, 1956, 2003
Jul 1949–May 1950
11-Month
50.2°F
(10.1°C)
49.8°F
(9.9°C)
0.4°F
(0.2°C)
73rd Coolest Coolest since: 1947 1904
52nd Warmest Warmest since: 1949 2012
Ties: 1909, 1990, 2003
Jun 1949–May 1950
12-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
79th Coolest Coolest since: 1948 1904
46th Warmest Warmest since: 1949 2012
Ties: 1896, 1989, 2019
Dec 1948–May 1950
18-Month
48.5°F
(9.2°C)
47.6°F
(8.7°C)
0.9°F
(0.5°C)
91st Coolest Coolest since: 1949 1979
33rd Warmest Warmest since: 1942 2017
Ties: 1914, 2004, 2011
Jun 1948–May 1950
24-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 1949 1905
33rd Warmest Warmest since: 1942 2017
Ties: 1921, 1989, 2019
Jun 1947–May 1950
36-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
83rd Coolest Coolest since: 1949 1979
40th Warmest Warmest since: 1943 2018
Ties: 1940, 1941, 1990
Jun 1946–May 1950
48-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1949 1980
46th Warmest Warmest since: 1945 2019
Ties: 1936, 1938, 1943, 1974, 1975, 1976, 1994
Jun 1945–May 1950
60-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1949 1906, 1907, 1908, 1981
53rd Warmest Warmest since: 1949 2002
Ties: 1944, 1949, 1954

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/