Climate at a Glance

Divisional 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 January 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1948

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1948
1-Month
63.5°F
(17.5°C)
65.1°F
(18.4°C)
-1.6°F
(-0.9°C)
39th Coolest Coolest since: 1947 1917, 1924
88th Warmest Warmest since: 1944 2018
Apr–May 1948
2-Month
61.4°F
(16.3°C)
60.2°F
(15.7°C)
1.2°F
(0.6°C)
89th Coolest Coolest since: 1947 1907
38th Warmest Warmest since: 1941 1896
Ties: 1938, 1974, 2018
Mar–May 1948
3-Month
55.8°F
(13.2°C)
55.0°F
(12.8°C)
0.8°F
(0.4°C)
82nd Coolest Coolest since: 1947 1960
45th Warmest Warmest since: 1946 2012
Ties: 1927, 1982, 1995
Feb–May 1948
4-Month
50.4°F
(10.2°C)
50.0°F
(10.0°C)
0.4°F
(0.2°C)
71st Coolest Coolest since: 1947 1978
56th Warmest Warmest since: 1946 2012
Ties: 1972, 1973, 2002
Jan–May 1948
5-Month
45.3°F
(7.4°C)
46.2°F
(7.9°C)
-0.9°F
(-0.5°C)
35th Coolest Coolest since: 1947 1978
92nd Warmest Warmest since: 1946 2012
Ties: 1906, 1951, 2008
Dec 1947–May 1948
6-Month
43.9°F
(6.6°C)
44.2°F
(6.8°C)
-0.3°F
(-0.2°C)
46th Coolest Coolest since: 1947 1978
80th Warmest Warmest since: 1946 2012
Ties: 1913, 1962, 1964, 1994, 2003
Nov 1947–May 1948
7-Month
43.4°F
(6.3°C)
44.3°F
(6.8°C)
-0.9°F
(-0.5°C)
33rd Coolest Coolest since: 1940 1978
93rd Warmest Warmest since: 1947 2012
Ties: 2015
Oct 1947–May 1948
8-Month
46.1°F
(7.8°C)
46.0°F
(7.8°C)
0.1°F
(0.0°C)
60th Coolest Coolest since: 1947 1978
66th Warmest Warmest since: 1946 2012
Ties: 1943, 1981
Sep 1947–May 1948
9-Month
48.7°F
(9.3°C)
48.5°F
(9.2°C)
0.2°F
(0.1°C)
63rd Coolest Coolest since: 1947 1978
63rd Warmest Warmest since: 1946 2012
Ties: 1959, 1983
Aug 1947–May 1948
10-Month
52.1°F
(11.2°C)
51.3°F
(10.7°C)
0.8°F
(0.5°C)
87th Coolest Coolest since: 1947 1978
39th Warmest Warmest since: 1946 2012
Ties: 1981, 1986
Jul 1947–May 1948
11-Month
54.1°F
(12.3°C)
53.7°F
(12.1°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1947 1918
50th Warmest Warmest since: 1946 2012
Ties: 1901, 1925, 1933, 1950, 1956, 1964
Jun 1947–May 1948
12-Month
55.7°F
(13.2°C)
55.4°F
(13.0°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1947 1904, 1918
55th Warmest Warmest since: 1946 2012
Ties: 1925, 1927, 1985, 1989, 2003
Dec 1946–May 1948
18-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
48th Coolest Coolest since: 1941 1979
77th Warmest Warmest since: 1947 2017
Ties: 1925, 1966
Jun 1946–May 1948
24-Month
55.3°F
(12.9°C)
55.3°F
(12.9°C)
0.0°F
(0.0°C)
45th Coolest Coolest since: 1941 1905, 1978
80th Warmest Warmest since: 1947 2017
Ties: 1911, 1916, 1924, 1926, 1927, 1958, 1966, 1981
Jun 1945–May 1948
36-Month
55.5°F
(13.1°C)
55.3°F
(12.9°C)
0.2°F
(0.2°C)
67th Coolest Coolest since: 1947 1979
57th Warmest Warmest since: 1947 2018
Ties: 1910, 1911, 1945, 1947, 1949, 1966
Jun 1944–May 1948
48-Month
55.5°F
(13.1°C)
55.3°F
(12.9°C)
0.2°F
(0.2°C)
59th Coolest Coolest since: 1947 1980
64th Warmest Warmest since: 1947 2019
Ties: 1916, 1947, 1967, 1995
Jun 1943–May 1948
60-Month
55.6°F
(13.1°C)
55.4°F
(13.0°C)
0.2°F
(0.1°C)
68th Coolest Coolest since: 1947 1979, 1980, 1981
54th Warmest Warmest since: 1946 2020
Ties: 1926, 1940, 1949, 1950, 1987, 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on February 28, 2021 from https://www.ncdc.noaa.gov/cag/