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 1909

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1909
1-Month
62.6°F
(17.0°C)
65.1°F
(18.4°C)
-2.5°F
(-1.4°C)
30th Coolest Coolest since: 1907 1917, 1924
97th Warmest Warmest since: 1908 2018
Ties: 2008
Apr–May 1909
2-Month
58.4°F
(14.7°C)
60.2°F
(15.7°C)
-1.8°F
(-1.0°C)
22nd Coolest Coolest since: 1907 1907
105th Warmest Warmest since: 1908 1896
Ties: 1931, 2020
Mar–May 1909
3-Month
53.4°F
(11.9°C)
55.0°F
(12.8°C)
-1.6°F
(-0.9°C)
31st Coolest Coolest since: 1907 1960
96th Warmest Warmest since: 1908 2012
Ties: 1897
Feb–May 1909
4-Month
49.6°F
(9.8°C)
49.9°F
(9.9°C)
-0.3°F
(-0.1°C)
52nd Coolest Coolest since: 1907 1978
75th Warmest Warmest since: 1908 2012
Ties: 1941
Jan–May 1909
5-Month
46.2°F
(7.9°C)
46.2°F
(7.9°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 1907 1978
69th Warmest Warmest since: 1908 2012
Ties: 1943, 1975
Dec 1908–May 1909
6-Month
44.8°F
(7.1°C)
44.3°F
(6.8°C)
0.5°F
(0.3°C)
73rd Coolest Coolest since: 1907 1978
53rd Warmest Warmest since: 1908 2012
Ties: 1983, 1985, 2018
Nov 1908–May 1909
7-Month
45.1°F
(7.3°C)
44.4°F
(6.9°C)
0.7°F
(0.4°C)
82nd Coolest Coolest since: 1907 1978
44th Warmest Warmest since: 1908 2012
Ties: 2013
Oct 1908–May 1909
8-Month
46.4°F
(8.0°C)
45.9°F
(7.7°C)
0.5°F
(0.3°C)
75th Coolest Coolest since: 1907 1978
51st Warmest Warmest since: 1908 2012
Ties: 1896, 2008, 2010, 2011, 2013
Sep 1908–May 1909
9-Month
49.3°F
(9.6°C)
48.6°F
(9.2°C)
0.7°F
(0.4°C)
86th Coolest Coolest since: 1908 1978
40th Warmest Warmest since: 1898 2012
Ties: 1896, 2008
Aug 1908–May 1909
10-Month
52.0°F
(11.1°C)
51.3°F
(10.7°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 1908 1978
42nd Warmest Warmest since: 1898 2012
Ties: 1937, 1953, 2011, 2018
Jul 1908–May 1909
11-Month
54.2°F
(12.3°C)
53.7°F
(12.1°C)
0.5°F
(0.2°C)
79th Coolest Coolest since: 1908 1918
47th Warmest Warmest since: 1898 2012
Ties: 1923, 1949
Jun 1908–May 1909
12-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 1908 1904, 1918
49th Warmest Warmest since: 1898 2012
Ties: 1896, 1949, 1950, 1986, 1988
Dec 1907–May 1909
18-Month
52.4°F
(11.3°C)
51.6°F
(10.9°C)
0.8°F
(0.4°C)
92nd Coolest Coolest since: 1908 1979
33rd Warmest Warmest to Date 2017
Ties: 1931, 1950, 1956, 1957, 1976, 2002
Jun 1907–May 1909
24-Month
55.5°F
(13.1°C)
55.3°F
(12.9°C)
0.2°F
(0.2°C)
71st Coolest Coolest since: 1908 1905, 1978
54th Warmest Warmest since: 1901 2017
Ties: 1898, 1901, 1910, 1936, 1944, 1947, 1990, 1993, 1995, 2010
Jun 1906–May 1909
36-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1908 1979
70th Warmest Warmest since: 1898 2018
Ties: 1925, 1927, 1967, 1973, 1975, 1986
Jun 1905–May 1909
48-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
43rd Coolest Coolest since: 1908 1980
80th Warmest Warmest since: 1903 2019
Ties: 1915, 1927, 1951, 1953, 1966, 1977
Jun 1904–May 1909
60-Month
54.8°F
(12.7°C)
55.3°F
(12.9°C)
-0.5°F
(-0.2°C)
17th Coolest Coolest since: 1908 1979, 1980, 1981
105th Warmest Warmest since: 1904 2020
Ties: 1904, 1919, 1964, 1969, 1997

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on February 26, 2021 from https://www.ncdc.noaa.gov/cag/