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 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1977

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1977
1-Month
69.9°F
(21.1°C)
65.1°F
(18.4°C)
4.8°F
(2.7°C)
117th Coolest Coolest since: 1976 1917, 1924
9th Warmest Warmest since: 1962 2018
Apr–May 1977
2-Month
65.1°F
(18.4°C)
60.2°F
(15.7°C)
4.9°F
(2.7°C)
124th Coolest Coolest since: 1976 1907
2nd Warmest Warmest since: 1896 1896
Ties: 2012
Mar–May 1977
3-Month
60.1°F
(15.6°C)
55.0°F
(12.8°C)
5.1°F
(2.8°C)
124th Coolest Coolest since: 1976 1960
2nd Warmest Warmest to Date 2012
Feb–May 1977
4-Month
53.6°F
(12.0°C)
50.0°F
(10.0°C)
3.6°F
(2.0°C)
118th Coolest Coolest since: 1976 1978
8th Warmest Warmest since: 1946 2012
Jan–May 1977
5-Month
46.0°F
(7.8°C)
46.2°F
(7.9°C)
-0.2°F
(-0.1°C)
54th Coolest Coolest since: 1971 1978
72nd Warmest Warmest since: 1976 2012
Ties: 1907
Dec 1976–May 1977
6-Month
43.4°F
(6.3°C)
44.3°F
(6.8°C)
-0.9°F
(-0.5°C)
35th Coolest Coolest since: 1971 1978
90th Warmest Warmest since: 1976 2012
Ties: 1906, 1928, 1929, 2001
Nov 1976–May 1977
7-Month
42.5°F
(5.8°C)
44.4°F
(6.9°C)
-1.9°F
(-1.1°C)
16th Coolest Coolest since: 1970 1978
109th Warmest Warmest since: 1976 2012
Ties: 1905
Oct 1976–May 1977
8-Month
43.5°F
(6.4°C)
45.9°F
(7.7°C)
-2.4°F
(-1.3°C)
7th Coolest Coolest since: 1918 1978
118th Warmest Warmest since: 1976 2012
Sep 1976–May 1977
9-Month
46.1°F
(7.8°C)
48.6°F
(9.2°C)
-2.5°F
(-1.4°C)
7th Coolest Coolest since: 1918 1978
118th Warmest Warmest since: 1976 2012
Aug 1976–May 1977
10-Month
48.7°F
(9.3°C)
51.3°F
(10.7°C)
-2.6°F
(-1.4°C)
5th Coolest Coolest since: 1918 1978
120th Warmest Warmest since: 1976 2012
Jul 1976–May 1977
11-Month
51.3°F
(10.7°C)
53.7°F
(12.1°C)
-2.4°F
(-1.4°C)
5th Coolest Coolest since: 1918 1918
120th Warmest Warmest since: 1976 2012
Jun 1976–May 1977
12-Month
53.0°F
(11.7°C)
55.4°F
(13.0°C)
-2.4°F
(-1.3°C)
3rd Coolest Coolest since: 1918 1904, 1918
122nd Warmest Warmest since: 1976 2012
Ties: 1978
Dec 1975–May 1977
18-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
16th Coolest Coolest since: 1971 1979
108th Warmest Warmest since: 1976 2017
Ties: 1929, 1951, 1961, 1985
Jun 1975–May 1977
24-Month
54.6°F
(12.6°C)
55.3°F
(12.9°C)
-0.7°F
(-0.3°C)
21st Coolest Coolest since: 1971 1905, 1978
103rd Warmest Warmest since: 1976 2017
Ties: 1929, 1930, 1951, 1959, 1963, 1983
Jun 1974–May 1977
36-Month
54.6°F
(12.6°C)
55.4°F
(13.0°C)
-0.8°F
(-0.4°C)
15th Coolest Coolest since: 1971 1979
108th Warmest Warmest since: 1976 2018
Ties: 1913, 1962, 1963, 1968, 1984
Jun 1973–May 1977
48-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
43rd Coolest Coolest since: 1973 1980
79th Warmest Warmest since: 1976 2019
Ties: 1909, 1915, 1927, 1951, 1953, 1966
Jun 1972–May 1977
60-Month
55.1°F
(12.8°C)
55.4°F
(13.0°C)
-0.3°F
(-0.2°C)
34th Coolest Coolest since: 1973 1979, 1980, 1981
87th Warmest Warmest since: 1976 1935, 2019
Ties: 1902, 1912, 1914, 1916, 1928, 1929, 1951, 1952, 1960, 1966, 1968, 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2020, retrieved on February 23, 2020 from https://www.ncdc.noaa.gov/cag/