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 1986

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1986
1-Month
66.9°F
(19.4°C)
65.1°F
(18.4°C)
1.8°F
(1.0°C)
90th Coolest Coolest since: 1985 1917, 1924
37th Warmest Warmest since: 1982 2018
Ties: 1926, 2014
Apr–May 1986
2-Month
63.0°F
(17.2°C)
60.2°F
(15.7°C)
2.8°F
(1.5°C)
113th Coolest Coolest since: 1985 1907
14th Warmest Warmest since: 1977 1896
Ties: 2004
Mar–May 1986
3-Month
57.9°F
(14.4°C)
55.0°F
(12.8°C)
2.9°F
(1.6°C)
114th Coolest Coolest since: 1984 1960
13th Warmest Warmest since: 1985 2012
Feb–May 1986
4-Month
52.6°F
(11.4°C)
50.0°F
(10.0°C)
2.6°F
(1.4°C)
111th Coolest Coolest since: 1985 1978
16th Warmest Warmest since: 1977 2012
Ties: 1927
Jan–May 1986
5-Month
48.8°F
(9.3°C)
46.2°F
(7.9°C)
2.6°F
(1.4°C)
112th Coolest Coolest since: 1985 1978
15th Warmest Warmest since: 1946 2012
Dec 1985–May 1986
6-Month
45.2°F
(7.3°C)
44.2°F
(6.8°C)
1.0°F
(0.5°C)
80th Coolest Coolest since: 1985 1978
46th Warmest Warmest since: 1976 2012
Ties: 1930
Nov 1985–May 1986
7-Month
45.6°F
(7.6°C)
44.3°F
(6.8°C)
1.3°F
(0.8°C)
93rd Coolest Coolest since: 1985 1978
33rd Warmest Warmest since: 1976 2012
Ties: 1949, 1950
Oct 1985–May 1986
8-Month
47.4°F
(8.6°C)
46.0°F
(7.8°C)
1.4°F
(0.8°C)
100th Coolest Coolest since: 1985 1978
26th Warmest Warmest since: 1976 2012
Ties: 1942, 1946, 1987
Sep 1985–May 1986
9-Month
49.7°F
(9.8°C)
48.5°F
(9.2°C)
1.2°F
(0.6°C)
95th Coolest Coolest since: 1985 1978
31st Warmest Warmest since: 1976 2012
Aug 1985–May 1986
10-Month
52.1°F
(11.2°C)
51.3°F
(10.7°C)
0.8°F
(0.5°C)
87th Coolest Coolest since: 1985 1978
39th Warmest Warmest since: 1981 2012
Ties: 1948, 1981
Jul 1985–May 1986
11-Month
54.4°F
(12.4°C)
53.7°F
(12.1°C)
0.7°F
(0.3°C)
83rd Coolest Coolest since: 1985 1918
43rd Warmest Warmest since: 1981 2012
Ties: 1931, 1995
Jun 1985–May 1986
12-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 1985 1904, 1918
49th Warmest Warmest since: 1981 2012
Ties: 1896, 1909, 1949, 1950, 1988
Dec 1984–May 1986
18-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 1985 1979
45th Warmest Warmest since: 1976 2017
Ties: 1898, 1915, 1947, 1995
Jun 1984–May 1986
24-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
85th Coolest Coolest since: 1985 1905, 1978
40th Warmest Warmest since: 1974 2017
Ties: 1921, 1946, 1950, 1972, 1974
Jun 1983–May 1986
36-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1985 1979
70th Warmest Warmest since: 1976 2018
Ties: 1909, 1925, 1927, 1967, 1973, 1975
Jun 1982–May 1986
48-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
50th Coolest Coolest since: 1985 1980
73rd Warmest Warmest since: 1976 2019
Ties: 1903, 1926, 1928, 1959
Jun 1981–May 1986
60-Month
55.1°F
(12.8°C)
55.4°F
(13.0°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest since: 1984 1979, 1980, 1981
88th Warmest Warmest since: 1985 2020
Ties: 1902, 1912, 1914, 1916, 1928, 1929, 1951, 1952, 1960, 1966, 1968, 1977

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/