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 1948

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1948
1-Month
60.0°F
(15.6°C)
62.1°F
(16.7°C)
-2.1°F
(-1.1°C)
34th Coolest Coolest since: 1947 1917
92nd Warmest Warmest since: 1944 2018
Apr–May 1948
2-Month
57.9°F
(14.4°C)
56.8°F
(13.8°C)
1.1°F
(0.6°C)
84th Coolest Coolest since: 1947 1907
42nd Warmest Warmest since: 1944 1896
Ties: 1899, 1944
Mar–May 1948
3-Month
51.7°F
(10.9°C)
51.1°F
(10.6°C)
0.6°F
(0.3°C)
74th Coolest Coolest since: 1947 1960
52nd Warmest Warmest since: 1946 2012
Ties: 1927, 1934, 1970
Feb–May 1948
4-Month
45.9°F
(7.7°C)
45.7°F
(7.6°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1947 1978
56th Warmest Warmest since: 1946 2012
Ties: 1919, 1941, 1944
Jan–May 1948
5-Month
40.9°F
(4.9°C)
41.6°F
(5.3°C)
-0.7°F
(-0.4°C)
46th Coolest Coolest since: 1947 1978, 1979
80th Warmest Warmest since: 1946 2012
Ties: 1961
Dec 1947–May 1948
6-Month
39.4°F
(4.1°C)
39.6°F
(4.2°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest since: 1947 1978
72nd Warmest Warmest since: 1946 2012
Ties: 1928, 1937, 1964, 2015
Nov 1947–May 1948
7-Month
38.9°F
(3.8°C)
39.8°F
(4.3°C)
-0.9°F
(-0.5°C)
27th Coolest Coolest since: 1943 1904
98th Warmest Warmest since: 1947 2012
Ties: 1943, 1961, 1969, 1980, 2001
Oct 1947–May 1948
8-Month
41.8°F
(5.4°C)
41.6°F
(5.3°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1947 1904, 1978
55th Warmest Warmest since: 1946 2012
Ties: 1909, 1967, 1988, 2008
Sep 1947–May 1948
9-Month
44.7°F
(7.1°C)
44.4°F
(6.9°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1947 1904
53rd Warmest Warmest since: 1946 2012
Ties: 1925
Aug 1947–May 1948
10-Month
48.3°F
(9.1°C)
47.3°F
(8.5°C)
1.0°F
(0.6°C)
96th Coolest Coolest since: 1947 1904
29th Warmest Warmest since: 1942 2012
Ties: 1941, 1949, 1957, 2008
Jul 1947–May 1948
11-Month
50.5°F
(10.3°C)
49.9°F
(9.9°C)
0.6°F
(0.4°C)
85th Coolest Coolest since: 1947 1904
40th Warmest Warmest since: 1942 2012
Ties: 1964, 1983, 1985, 2008, 2011, 2018
Jun 1947–May 1948
12-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 1947 1904
53rd Warmest Warmest since: 1945 2012
Ties: 1933
Dec 1946–May 1948
18-Month
47.5°F
(8.6°C)
47.6°F
(8.7°C)
-0.1°F
(-0.1°C)
58th Coolest Coolest since: 1944 1979
66th Warmest Warmest since: 1947 2017
Ties: 1996
Jun 1946–May 1948
24-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1947 1905
67th Warmest Warmest since: 1946 2017
Ties: 1984, 1995
Jun 1945–May 1948
36-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1947 1979
56th Warmest Warmest since: 1947 2018
Ties: 1898, 1938, 1947, 1958, 1966, 1973, 1975
Jun 1944–May 1948
48-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1947 1980
56th Warmest Warmest since: 1945 2019
Ties: 1954, 1986, 1995, 1998, 2016
Jun 1943–May 1948
60-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
64th Coolest Coolest since: 1947 1906, 1907, 1908, 1981
57th Warmest Warmest since: 1946 2002
Ties: 1922, 1940, 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/