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 June 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, May 1903

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1903
1-Month
64.4°F
(18.0°C)
62.1°F
(16.7°C)
2.3°F
(1.3°C)
96th Coolest Coolest since: 1901 1917
31st Warmest Warmest since: 1902 2018
Ties: 1914
Apr–May 1903
2-Month
58.0°F
(14.4°C)
56.8°F
(13.8°C)
1.2°F
(0.6°C)
89th Coolest Coolest since: 1902 1907
38th Warmest Warmest since: 1900 1896
Ties: 1914, 1925, 2014
Mar–May 1903
3-Month
53.4°F
(11.9°C)
51.1°F
(10.6°C)
2.3°F
(1.3°C)
107th Coolest Coolest since: 1902 1960
20th Warmest Warmest since: 1896 2012
Feb–May 1903
4-Month
46.6°F
(8.1°C)
45.6°F
(7.6°C)
1.0°F
(0.5°C)
83rd Coolest Coolest since: 1902 1978
44th Warmest Warmest since: 1896 2012
Ties: 1915, 2018, 2020
Jan–May 1903
5-Month
42.3°F
(5.7°C)
41.6°F
(5.3°C)
0.7°F
(0.4°C)
76th Coolest Coolest since: 1902 1978, 1979
51st Warmest Warmest since: 1898 2012
Dec 1902–May 1903
6-Month
39.8°F
(4.3°C)
39.6°F
(4.2°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1902 1978
60th Warmest Warmest since: 1896 2012
Ties: 1909
Nov 1902–May 1903
7-Month
40.8°F
(4.9°C)
39.8°F
(4.3°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 1902 1904
36th Warmest Warmest since: 1896 2012
Ties: 1931, 2013
Oct 1902–May 1903
8-Month
42.6°F
(5.9°C)
41.6°F
(5.3°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 1902 1904, 1978
36th Warmest Warmest to Date 2012
Ties: 1914, 1949, 1953, 1990, 2010, 2018
Sep 1902–May 1903
9-Month
44.8°F
(7.1°C)
44.4°F
(6.9°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 1902 1904
51st Warmest Warmest since: 1898 2012
Ties: 1911, 2013
Aug 1902–May 1903
10-Month
47.4°F
(8.6°C)
47.3°F
(8.5°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1902 1904
68th Warmest Warmest since: 1901 2012
Ties: 1927, 1933, 1950, 1956, 2003
Jul 1902–May 1903
11-Month
49.9°F
(9.9°C)
49.9°F
(9.9°C)
0.0°F
(0.0°C)
59th Coolest Coolest since: 1902 1904
67th Warmest Warmest since: 1901 2012
Ties: 1928
Jun 1902–May 1903
12-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest since: 1902 1904
73rd Warmest Warmest since: 1901 2012
Ties: 1927, 1928
Dec 1901–May 1903
18-Month
46.9°F
(8.3°C)
47.6°F
(8.7°C)
-0.7°F
(-0.4°C)
28th Coolest Coolest since: 1902 1979
97th Warmest Warmest since: 1901 2017
Ties: 1929, 1959, 1961, 1962
Jun 1901–May 1903
24-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
38th Coolest Coolest since: 1900 1905
87th Warmest Warmest since: 1902 2017
Ties: 1916, 1977
Jun 1900–May 1903
36-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
43rd Coolest Coolest since: 1901 1979
81st Warmest Warmest since: 1902 2018
Ties: 1909, 1910, 1925, 1931, 1951, 1959, 1965, 1967, 1996
Jun 1899–May 1903
48-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1902 1980
74th Warmest Warmest to Date 2019
Ties: 1915, 1917, 1959, 1984, 1985
Jun 1898–May 1903
60-Month
51.1°F
(10.6°C)
51.6°F
(10.9°C)
-0.5°F
(-0.3°C)
22nd Coolest Coolest to Date 1906, 1907, 1908, 1981
100th Warmest Warmest since: 1902 2020
Ties: 1912, 1913, 1928, 1929, 1969, 1978

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2020, retrieved on August 4, 2020 from https://www.ncdc.noaa.gov/cag/