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 August 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, May 1901

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1901
1-Month
59.2°F
(15.1°C)
59.7°F
(15.4°C)
-0.5°F
(-0.3°C)
54th Coolest Coolest since: 1898 1907
72nd Warmest Warmest since: 1900 1977
Apr–May 1901
2-Month
53.5°F
(11.9°C)
54.0°F
(12.2°C)
-0.5°F
(-0.3°C)
45th Coolest Coolest since: 1898 1907
81st Warmest Warmest since: 1900 1977
Ties: 1951
Mar–May 1901
3-Month
46.9°F
(8.3°C)
47.9°F
(8.8°C)
-1.0°F
(-0.5°C)
44th Coolest Coolest since: 1900 1960
82nd Warmest Warmest since: 1898 2012
Ties: 1980, 1993, 2008
Feb–May 1901
4-Month
38.5°F
(3.6°C)
41.9°F
(5.5°C)
-3.4°F
(-1.9°C)
11th Coolest Coolest since: 1899 1947
115th Warmest Warmest since: 1900 2012
Jan–May 1901
5-Month
35.4°F
(1.9°C)
37.5°F
(3.1°C)
-2.1°F
(-1.2°C)
20th Coolest Coolest since: 1899 1912
106th Warmest Warmest since: 1900 2012
Ties: 1966
Dec 1900–May 1901
6-Month
34.0°F
(1.1°C)
35.4°F
(1.9°C)
-1.4°F
(-0.8°C)
24th Coolest Coolest since: 1899 1979
101st Warmest Warmest since: 1900 2012
Ties: 1910, 1970, 1971
Nov 1900–May 1901
7-Month
34.0°F
(1.1°C)
35.6°F
(2.0°C)
-1.6°F
(-0.9°C)
18th Coolest Coolest since: 1899 1904
107th Warmest Warmest since: 1900 2012
Ties: 1984
Oct 1900–May 1901
8-Month
37.1°F
(2.8°C)
37.7°F
(3.2°C)
-0.6°F
(-0.4°C)
40th Coolest Coolest since: 1899 1912
85th Warmest Warmest since: 1900 2012
Ties: 1916
Sep 1900–May 1901
9-Month
40.1°F
(4.5°C)
40.5°F
(4.7°C)
-0.4°F
(-0.2°C)
40th Coolest Coolest since: 1899 1904
85th Warmest Warmest since: 1900 2012
Ties: 1916, 1950, 1993, 2019
Aug 1900–May 1901
10-Month
43.8°F
(6.6°C)
43.6°F
(6.4°C)
0.2°F
(0.2°C)
69th Coolest Coolest since: 1900 1904
56th Warmest Warmest since: 1900 2012
Ties: 1900, 1906, 1909, 1935, 1937, 1953, 2001
Jul 1900–May 1901
11-Month
46.4°F
(8.0°C)
46.4°F
(8.0°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1900 1904
65th Warmest Warmest since: 1900 2012
Ties: 1900, 1909, 1944, 1961
Jun 1900–May 1901
12-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1899 1904
69th Warmest Warmest since: 1900 2012
Ties: 1909, 1923, 2019
Dec 1899–May 1901
18-Month
43.5°F
(6.4°C)
43.9°F
(6.6°C)
-0.4°F
(-0.2°C)
40th Coolest Coolest since: 1900 1918
84th Warmest Warmest since: 1898 2017
Ties: 1902, 1910, 1961
Jun 1899–May 1901
24-Month
48.3°F
(9.1°C)
48.2°F
(9.0°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1900 1905
65th Warmest Warmest to Date 2017
Ties: 1958, 1972, 1977, 1996
Jun 1898–May 1901
36-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
25th Coolest Coolest since: 1899 1905, 1918, 1979
98th Warmest Warmest since: 1900 2000
Ties: 1928, 1929, 1962
Jun 1897–May 1901
48-Month
47.9°F
(8.8°C)
48.2°F
(9.0°C)
-0.3°F
(-0.2°C)
39th Coolest Coolest since: 1900 1980
83rd Warmest Warmest to Date 2001, 2002, 2007
Ties: 1909, 1914, 1915, 1966, 1972, 1973
Jun 1896–May 1901
60-Month
47.7°F
(8.7°C)
48.1°F
(8.9°C)
-0.4°F
(-0.2°C)
26th Coolest Coolest to Date 1907, 1908
95th Warmest Warmest since: 1900 2002
Ties: 1969

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/