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 March 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1951

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1951
1-Month
66.0°F
(18.9°C)
65.1°F
(18.4°C)
0.9°F
(0.5°C)
75th Coolest Coolest since: 1948 1917, 1924
52nd Warmest Warmest since: 1950 2018
Ties: 1900, 1937, 2017
Apr–May 1951
2-Month
58.8°F
(14.9°C)
60.2°F
(15.7°C)
-1.4°F
(-0.8°C)
30th Coolest Coolest since: 1950 1907
97th Warmest Warmest since: 1949 1896
Ties: 1898, 1976
Mar–May 1951
3-Month
53.0°F
(11.7°C)
55.0°F
(12.8°C)
-2.0°F
(-1.1°C)
19th Coolest Coolest since: 1950 1960
108th Warmest Warmest since: 1949 2012
Ties: 1920, 1940, 1958, 1969
Feb–May 1951
4-Month
48.6°F
(9.2°C)
50.0°F
(10.0°C)
-1.4°F
(-0.8°C)
30th Coolest Coolest since: 1947 1978
97th Warmest Warmest since: 1950 2012
Ties: 1969, 1983
Jan–May 1951
5-Month
45.3°F
(7.4°C)
46.1°F
(7.8°C)
-0.8°F
(-0.4°C)
35th Coolest Coolest since: 1948 1978
92nd Warmest Warmest since: 1950 2012
Ties: 1906, 1948, 2008
Dec 1950–May 1951
6-Month
42.6°F
(5.9°C)
44.3°F
(6.8°C)
-1.7°F
(-0.9°C)
18th Coolest Coolest since: 1940 1978
108th Warmest Warmest since: 1950 2012
Ties: 1917, 1958, 1961, 1980
Nov 1950–May 1951
7-Month
42.0°F
(5.6°C)
44.4°F
(6.9°C)
-2.4°F
(-1.3°C)
13th Coolest Coolest since: 1940 1978
113th Warmest Warmest since: 1950 2012
Ties: 2014
Oct 1950–May 1951
8-Month
44.5°F
(6.9°C)
45.9°F
(7.7°C)
-1.4°F
(-0.8°C)
19th Coolest Coolest since: 1940 1978
107th Warmest Warmest since: 1950 2012
Ties: 1968
Sep 1950–May 1951
9-Month
46.9°F
(8.3°C)
48.5°F
(9.2°C)
-1.6°F
(-0.9°C)
15th Coolest Coolest since: 1936 1978
111th Warmest Warmest since: 1950 2012
Aug 1950–May 1951
10-Month
49.3°F
(9.6°C)
51.3°F
(10.7°C)
-2.0°F
(-1.1°C)
9th Coolest Coolest since: 1918 1978
117th Warmest Warmest since: 1950 2012
Jul 1950–May 1951
11-Month
51.6°F
(10.9°C)
53.7°F
(12.1°C)
-2.1°F
(-1.2°C)
9th Coolest Coolest since: 1918 1918
117th Warmest Warmest since: 1950 2012
Jun 1950–May 1951
12-Month
53.3°F
(11.8°C)
55.3°F
(12.9°C)
-2.0°F
(-1.1°C)
7th Coolest Coolest since: 1918 1904, 1918
119th Warmest Warmest since: 1950 2012
Dec 1949–May 1951
18-Month
50.7°F
(10.4°C)
51.6°F
(10.9°C)
-0.9°F
(-0.5°C)
16th Coolest Coolest since: 1929 1979
109th Warmest Warmest since: 1950 2017
Ties: 1929, 1961, 1977, 1985
Jun 1949–May 1951
24-Month
54.6°F
(12.6°C)
55.4°F
(13.0°C)
-0.8°F
(-0.4°C)
21st Coolest Coolest since: 1930 1905, 1978
104th Warmest Warmest since: 1950 2017
Ties: 1929, 1930, 1959, 1963, 1977, 1983
Jun 1948–May 1951
36-Month
55.0°F
(12.8°C)
55.4°F
(13.0°C)
-0.4°F
(-0.2°C)
32nd Coolest Coolest since: 1930 1979
92nd Warmest Warmest since: 1950 2018
Ties: 1908, 1926, 1929, 1964, 1995
Jun 1947–May 1951
48-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
43rd Coolest Coolest since: 1931 1980
80th Warmest Warmest since: 1950 2019
Ties: 1909, 1915, 1927, 1953, 1966, 1977
Jun 1946–May 1951
60-Month
55.1°F
(12.8°C)
55.3°F
(12.9°C)
-0.2°F
(-0.1°C)
34th Coolest Coolest since: 1930 1979, 1980, 1981
88th Warmest Warmest since: 1950 2020
Ties: 1902, 1912, 1914, 1916, 1928, 1929, 1952, 1960, 1966, 1968, 1977, 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published April 2021, retrieved on April 21, 2021 from https://www.ncdc.noaa.gov/cag/