Climate at a Glance

Statewide 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 August 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, May 1975

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1975
1-Month
65.2°F
(18.4°C)
62.1°F
(16.7°C)
3.1°F
(1.7°C)
103rd Coolest Coolest since: 1974 1917
24th Warmest Warmest since: 1970 2018
Ties: 1939
Apr–May 1975
2-Month
56.8°F
(13.8°C)
56.8°F
(13.8°C)
0.0°F
(0.0°C)
50th Coolest Coolest since: 1973 1907
77th Warmest Warmest since: 1974 1896
Ties: 1905, 1913, 1939, 1946, 1952, 1956, 1978
Mar–May 1975
3-Month
49.6°F
(9.8°C)
51.1°F
(10.6°C)
-1.5°F
(-0.8°C)
29th Coolest Coolest since: 1971 1960
98th Warmest Warmest since: 1974 2012
Ties: 1899, 1966
Feb–May 1975
4-Month
44.4°F
(6.9°C)
45.7°F
(7.6°C)
-1.3°F
(-0.7°C)
36th Coolest Coolest since: 1971 1978
91st Warmest Warmest since: 1974 2012
Ties: 1951, 1966
Jan–May 1975
5-Month
41.4°F
(5.2°C)
41.6°F
(5.3°C)
-0.2°F
(-0.1°C)
56th Coolest Coolest since: 1972 1978, 1979
71st Warmest Warmest since: 1974 2012
Ties: 2019
Dec 1974–May 1975
6-Month
39.7°F
(4.3°C)
39.6°F
(4.2°C)
0.1°F
(0.1°C)
64th Coolest Coolest since: 1971 1978
62nd Warmest Warmest since: 1974 2012
Ties: 1898
Nov 1974–May 1975
7-Month
39.9°F
(4.4°C)
39.7°F
(4.3°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1971 1904
60th Warmest Warmest since: 1974 2012
Ties: 1927, 1930, 1944, 1966
Oct 1974–May 1975
8-Month
41.7°F
(5.4°C)
41.6°F
(5.3°C)
0.1°F
(0.1°C)
65th Coolest Coolest since: 1973 1904, 1978
61st Warmest Warmest since: 1974 2012
Ties: 1945, 1966, 2011
Sep 1974–May 1975
9-Month
43.8°F
(6.6°C)
44.3°F
(6.8°C)
-0.5°F
(-0.2°C)
36th Coolest Coolest since: 1971 1904
90th Warmest Warmest since: 1974 2012
Ties: 1971
Aug 1974–May 1975
10-Month
46.6°F
(8.1°C)
47.3°F
(8.5°C)
-0.7°F
(-0.4°C)
33rd Coolest Coolest since: 1970 1904
93rd Warmest Warmest since: 1974 2012
Ties: 1916, 1969
Jul 1974–May 1975
11-Month
49.4°F
(9.7°C)
49.9°F
(9.9°C)
-0.5°F
(-0.2°C)
40th Coolest Coolest since: 1971 1904
86th Warmest Warmest since: 1974 2012
Ties: 1906, 1930, 1959, 1962
Jun 1974–May 1975
12-Month
50.9°F
(10.5°C)
51.7°F
(10.9°C)
-0.8°F
(-0.4°C)
29th Coolest Coolest since: 1970 1904
97th Warmest Warmest since: 1974 2012
Ties: 1924, 1952, 1958, 1959, 1980
Dec 1973–May 1975
18-Month
47.4°F
(8.6°C)
47.6°F
(8.7°C)
-0.2°F
(-0.1°C)
52nd Coolest Coolest since: 1971 1979
73rd Warmest Warmest since: 1974 2017
Ties: 1941, 1958, 1964, 1965, 1967
Jun 1973–May 1975
24-Month
51.9°F
(11.1°C)
51.6°F
(10.9°C)
0.3°F
(0.2°C)
75th Coolest Coolest since: 1972 1905
50th Warmest Warmest since: 1974 2017
Ties: 1946, 1965, 1972, 1976, 1993, 1998
Jun 1972–May 1975
36-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1973 1979
57th Warmest Warmest since: 1974 2018
Ties: 1898, 1938, 1947, 1948, 1958, 1966, 1973
Jun 1971–May 1975
48-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1974 1980
47th Warmest Warmest since: 1974 2019
Ties: 1936, 1938, 1943, 1950, 1974, 1976, 1994
Jun 1970–May 1975
60-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
64th Coolest Coolest since: 1974 1906, 1907, 1908, 1981
58th Warmest Warmest since: 1959 2020
Ties: 1922, 1940, 1948

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 20, 2020 from https://www.ncdc.noaa.gov/cag/