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 1927

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1927
1-Month
64.3°F
(17.9°C)
65.1°F
(18.4°C)
-0.8°F
(-0.5°C)
47th Coolest Coolest since: 1925 1917, 1924
80th Warmest Warmest since: 1926 2018
Ties: 1895
Apr–May 1927
2-Month
60.8°F
(16.0°C)
60.2°F
(15.7°C)
0.6°F
(0.3°C)
69th Coolest Coolest since: 1926 1907
58th Warmest Warmest since: 1925 1896
Ties: 1895, 1967, 1972, 1975, 2003
Mar–May 1927
3-Month
55.8°F
(13.2°C)
55.0°F
(12.8°C)
0.8°F
(0.4°C)
82nd Coolest Coolest since: 1926 1960
45th Warmest Warmest since: 1925 2012
Ties: 1948, 1982, 1995
Feb–May 1927
4-Month
52.6°F
(11.4°C)
50.0°F
(10.0°C)
2.6°F
(1.4°C)
111th Coolest Coolest since: 1926 1978
16th Warmest Warmest since: 1925 2012
Ties: 1986
Jan–May 1927
5-Month
48.2°F
(9.0°C)
46.2°F
(7.9°C)
2.0°F
(1.1°C)
100th Coolest Coolest since: 1926 1978
27th Warmest Warmest since: 1925 2012
Ties: 1933, 1976
Dec 1926–May 1927
6-Month
45.5°F
(7.5°C)
44.2°F
(6.8°C)
1.3°F
(0.7°C)
88th Coolest Coolest since: 1926 1978
38th Warmest Warmest since: 1925 2012
Ties: 1922, 1949, 1950
Nov 1926–May 1927
7-Month
44.6°F
(7.0°C)
44.3°F
(6.8°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1926 1978
58th Warmest Warmest since: 1925 2012
Ties: 1959, 1966, 1975, 1985
Oct 1926–May 1927
8-Month
46.2°F
(7.9°C)
46.0°F
(7.8°C)
0.2°F
(0.1°C)
65th Coolest Coolest since: 1926 1978
61st Warmest Warmest since: 1925 2012
Ties: 1933, 1959
Sep 1926–May 1927
9-Month
49.0°F
(9.4°C)
48.6°F
(9.2°C)
0.4°F
(0.2°C)
78th Coolest Coolest since: 1926 1978
48th Warmest Warmest since: 1925 2012
Ties: 1914, 1928, 1950
Aug 1926–May 1927
10-Month
51.8°F
(11.0°C)
51.3°F
(10.7°C)
0.5°F
(0.3°C)
76th Coolest Coolest since: 1926 1978
50th Warmest Warmest since: 1925 2012
Ties: 1901, 1949
Jul 1926–May 1927
11-Month
54.3°F
(12.4°C)
53.7°F
(12.1°C)
0.6°F
(0.3°C)
80th Coolest Coolest since: 1926 1918
46th Warmest Warmest since: 1922 2012
Jun 1926–May 1927
12-Month
55.7°F
(13.2°C)
55.4°F
(13.0°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1926 1904, 1918
55th Warmest Warmest since: 1925 2012
Ties: 1925, 1948, 1985, 1989, 2003
Dec 1925–May 1927
18-Month
51.6°F
(10.9°C)
51.7°F
(10.9°C)
-0.1°F
(0.0°C)
51st Coolest Coolest since: 1925 1979
74th Warmest Warmest since: 1926 2017
Ties: 1937, 1965, 1967, 1975
Jun 1925–May 1927
24-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
45th Coolest Coolest since: 1926 1905, 1978
80th Warmest Warmest since: 1926 2017
Ties: 1911, 1916, 1924, 1926, 1948, 1958, 1966, 1981
Jun 1924–May 1927
36-Month
55.4°F
(13.0°C)
55.3°F
(12.9°C)
0.1°F
(0.1°C)
54th Coolest Coolest since: 1926 1979
70th Warmest Warmest since: 1925 2018
Ties: 1909, 1925, 1967, 1973, 1975, 1986
Jun 1923–May 1927
48-Month
55.2°F
(12.9°C)
55.3°F
(12.9°C)
-0.1°F
(0.0°C)
43rd Coolest Coolest since: 1921 1980
80th Warmest Warmest since: 1926 2019
Ties: 1909, 1915, 1951, 1953, 1966, 1977
Jun 1922–May 1927
60-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1921 1979, 1980, 1981
66th Warmest Warmest since: 1926 2020
Ties: 1953, 1974

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on February 25, 2021 from https://www.ncdc.noaa.gov/cag/