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 March 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1949

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1949
1-Month
66.8°F
(19.3°C)
65.1°F
(18.4°C)
1.7°F
(0.9°C)
87th Coolest Coolest since: 1948 1917, 1924
40th Warmest Warmest since: 1944 2018
Ties: 1905, 1916
Apr–May 1949
2-Month
60.2°F
(15.7°C)
60.1°F
(15.6°C)
0.1°F
(0.1°C)
52nd Coolest Coolest since: 1947 1907
75th Warmest Warmest since: 1948 1896
Ties: 1982
Mar–May 1949
3-Month
54.7°F
(12.6°C)
55.0°F
(12.8°C)
-0.3°F
(-0.2°C)
50th Coolest Coolest since: 1947 1960
77th Warmest Warmest since: 1948 2012
Ties: 1898, 2014
Feb–May 1949
4-Month
50.3°F
(10.2°C)
49.9°F
(9.9°C)
0.4°F
(0.3°C)
67th Coolest Coolest since: 1947 1978
60th Warmest Warmest since: 1948 2012
Ties: 1915
Jan–May 1949
5-Month
47.1°F
(8.4°C)
46.2°F
(7.9°C)
0.9°F
(0.5°C)
85th Coolest Coolest since: 1948 1978
42nd Warmest Warmest since: 1946 2012
Ties: 1898, 1919, 1922, 1930
Dec 1948–May 1949
6-Month
45.5°F
(7.5°C)
44.2°F
(6.8°C)
1.3°F
(0.7°C)
88th Coolest Coolest since: 1948 1978
38th Warmest Warmest since: 1946 2012
Ties: 1922, 1927, 1950
Nov 1948–May 1949
7-Month
45.6°F
(7.6°C)
44.3°F
(6.8°C)
1.3°F
(0.8°C)
93rd Coolest Coolest since: 1948 1978
33rd Warmest Warmest since: 1946 2012
Ties: 1950, 1986
Oct 1948–May 1949
8-Month
46.7°F
(8.2°C)
46.0°F
(7.8°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 1948 1978
43rd Warmest Warmest since: 1946 2012
Ties: 1985, 2019
Sep 1948–May 1949
9-Month
49.2°F
(9.6°C)
48.5°F
(9.2°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 1948 1978
43rd Warmest Warmest since: 1946 2012
Ties: 1911, 1919
Aug 1948–May 1949
10-Month
51.8°F
(11.0°C)
51.2°F
(10.7°C)
0.6°F
(0.3°C)
76th Coolest Coolest since: 1947 1978
50th Warmest Warmest since: 1948 2012
Ties: 1901, 1927
Jul 1948–May 1949
11-Month
54.2°F
(12.3°C)
53.8°F
(12.1°C)
0.4°F
(0.2°C)
79th Coolest Coolest since: 1948 1918
47th Warmest Warmest since: 1946 2012
Ties: 1909, 1923
Jun 1948–May 1949
12-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 1948 1904, 1918
49th Warmest Warmest since: 1946 2012
Ties: 1896, 1909, 1950, 1986, 1988
Dec 1947–May 1949
18-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
69th Coolest Coolest since: 1948 1979
56th Warmest Warmest since: 1947 2017
Ties: 1910, 1920, 1926, 1981, 1990, 2010
Jun 1947–May 1949
24-Month
55.7°F
(13.2°C)
55.3°F
(12.9°C)
0.4°F
(0.3°C)
79th Coolest Coolest since: 1948 1905, 1978
46th Warmest Warmest since: 1946 2017
Ties: 1940, 1965, 1973, 1975, 1989
Jun 1946–May 1949
36-Month
55.5°F
(13.1°C)
55.4°F
(13.0°C)
0.1°F
(0.1°C)
67th Coolest Coolest since: 1948 1979
57th Warmest Warmest since: 1948 2018
Ties: 1910, 1911, 1945, 1947, 1948, 1966
Jun 1945–May 1949
48-Month
55.6°F
(13.1°C)
55.3°F
(12.9°C)
0.3°F
(0.2°C)
67th Coolest Coolest since: 1948 1980
56th Warmest Warmest since: 1946 2019
Ties: 1946, 1950, 1976
Jun 1944–May 1949
60-Month
55.6°F
(13.1°C)
55.3°F
(12.9°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1948 1979, 1980, 1981
54th Warmest Warmest since: 1948 2020
Ties: 1926, 1940, 1948, 1950, 1987, 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published April 2021, retrieved on April 18, 2021 from https://www.ncdc.noaa.gov/cag/