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 2019. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, May 1951

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1951
1-Month
63.7°F
(17.6°C)
62.1°F
(16.7°C)
1.6°F
(0.9°C)
81st Coolest Coolest since: 1950 1917
45th Warmest Warmest since: 1949 2018
Ties: 2014
Apr–May 1951
2-Month
56.0°F
(13.3°C)
56.9°F
(13.8°C)
-0.9°F
(-0.5°C)
37th Coolest Coolest since: 1950 1907
89th Warmest Warmest since: 1949 1896
Ties: 1967
Mar–May 1951
3-Month
49.4°F
(9.7°C)
51.2°F
(10.7°C)
-1.8°F
(-1.0°C)
24th Coolest Coolest since: 1950 1960
102nd Warmest Warmest since: 1949 2012
Ties: 1932, 1971, 1997
Feb–May 1951
4-Month
44.4°F
(6.9°C)
45.7°F
(7.6°C)
-1.3°F
(-0.7°C)
36th Coolest Coolest since: 1950 1978
90th Warmest Warmest since: 1949 2012
Ties: 1966, 1975
Jan–May 1951
5-Month
40.8°F
(4.9°C)
41.6°F
(5.3°C)
-0.8°F
(-0.4°C)
39th Coolest Coolest since: 1947 1978, 1979
87th Warmest Warmest since: 1950 2012
Ties: 1907, 1913, 1916, 1943, 1968, 1993
Dec 1950–May 1951
6-Month
37.6°F
(3.1°C)
39.6°F
(4.2°C)
-2.0°F
(-1.1°C)
16th Coolest Coolest since: 1940 1978
109th Warmest Warmest since: 1950 2012
Nov 1950–May 1951
7-Month
37.1°F
(2.8°C)
39.7°F
(4.3°C)
-2.6°F
(-1.5°C)
9th Coolest Coolest since: 1936 1904
116th Warmest Warmest since: 1950 2012
Oct 1950–May 1951
8-Month
39.9°F
(4.4°C)
41.6°F
(5.3°C)
-1.7°F
(-0.9°C)
20th Coolest Coolest since: 1940 1904, 1978
105th Warmest Warmest since: 1950 2012
Ties: 1970
Sep 1950–May 1951
9-Month
42.6°F
(5.9°C)
44.3°F
(6.8°C)
-1.7°F
(-0.9°C)
13th Coolest Coolest since: 1936 1904
112th Warmest Warmest since: 1950 2012
Ties: 1905, 1982
Aug 1950–May 1951
10-Month
45.3°F
(7.4°C)
47.3°F
(8.5°C)
-2.0°F
(-1.1°C)
10th Coolest Coolest since: 1936 1904
115th Warmest Warmest since: 1950 2012
Ties: 1905
Jul 1950–May 1951
11-Month
47.7°F
(8.7°C)
49.8°F
(9.9°C)
-2.1°F
(-1.2°C)
8th Coolest Coolest since: 1918 1904
117th Warmest Warmest since: 1950 2012
Jun 1950–May 1951
12-Month
49.6°F
(9.8°C)
51.6°F
(10.9°C)
-2.0°F
(-1.1°C)
4th Coolest Coolest since: 1918 1904
121st Warmest Warmest since: 1950 2012
Ties: 1899, 1905, 1912, 1979, 2014
Dec 1949–May 1951
18-Month
46.4°F
(8.0°C)
47.6°F
(8.7°C)
-1.2°F
(-0.7°C)
12th Coolest Coolest since: 1936 1979
112th Warmest Warmest since: 1950 2017
Ties: 1936, 1952, 1963
Jun 1949–May 1951
24-Month
50.9°F
(10.5°C)
51.6°F
(10.9°C)
-0.7°F
(-0.4°C)
23rd Coolest Coolest since: 1930 1905
101st Warmest Warmest since: 1950 2017
Ties: 1930, 1959
Jun 1948–May 1951
36-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
43rd Coolest Coolest since: 1931 1979
80th Warmest Warmest since: 1950 2018
Ties: 1903, 1909, 1910, 1925, 1931, 1959, 1965, 1967, 1996
Jun 1947–May 1951
48-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1931 1980
67th Warmest Warmest since: 1950 2019
Ties: 1977
Jun 1946–May 1951
60-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
50th Coolest Coolest since: 1931 1906, 1907, 1908, 1981
71st Warmest Warmest since: 1950 2002
Ties: 1915, 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/