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


Illinois

Average Temperature Rankings, October 1903

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
October 1903
1-Month
53.8°F
(12.1°C)
54.6°F
(12.6°C)
-0.8°F
(-0.5°C)
46th Coolest Coolest since: 1898 1925
80th Warmest Warmest since: 1902 1963
Ties: 2001
Sep–Oct 1903
2-Month
59.4°F
(15.2°C)
60.5°F
(15.8°C)
-1.1°F
(-0.6°C)
38th Coolest Coolest since: 1902 1917
88th Warmest Warmest since: 1901 1897, 2016
Ties: 1951, 1995, 2011
Aug–Oct 1903
3-Month
63.4°F
(17.4°C)
64.7°F
(18.2°C)
-1.3°F
(-0.8°C)
21st Coolest Coolest since: 1902 1917
105th Warmest Warmest since: 1901 1947
Ties: 1964
Jul–Oct 1903
4-Month
66.4°F
(19.1°C)
67.5°F
(19.7°C)
-1.1°F
(-0.6°C)
28th Coolest Coolest since: 1902 1917
98th Warmest Warmest since: 1901 1936
Ties: 1925, 1972
Jun–Oct 1903
5-Month
66.2°F
(19.0°C)
68.2°F
(20.1°C)
-2.0°F
(-1.1°C)
7th Coolest Coolest to Date 1917
119th Warmest Warmest since: 1902 1936
Ties: 1904, 1907, 1974
May–Oct 1903
6-Month
65.9°F
(18.8°C)
67.2°F
(19.6°C)
-1.3°F
(-0.8°C)
16th Coolest Coolest to Date 1917
110th Warmest Warmest since: 1902 1936
Ties: 1997
Apr–Oct 1903
7-Month
63.9°F
(17.7°C)
65.0°F
(18.3°C)
-1.1°F
(-0.6°C)
21st Coolest Coolest since: 1902 1917
105th Warmest Warmest since: 1902 2010
Ties: 1902, 1915, 1926, 1982
Mar–Oct 1903
8-Month
61.4°F
(16.3°C)
61.8°F
(16.6°C)
-0.4°F
(-0.3°C)
42nd Coolest Coolest since: 1902 1917
84th Warmest Warmest since: 1901 2012
Ties: 1916, 1920, 1927, 1940, 1957
Feb–Oct 1903
9-Month
57.5°F
(14.2°C)
58.2°F
(14.6°C)
-0.7°F
(-0.4°C)
37th Coolest Coolest since: 1902 1917
89th Warmest Warmest since: 1901 2012
Ties: 1947, 1980
Jan–Oct 1903
10-Month
54.3°F
(12.4°C)
54.9°F
(12.7°C)
-0.6°F
(-0.3°C)
38th Coolest Coolest since: 1902 1904
88th Warmest Warmest since: 1901 2012
Ties: 1928, 1937, 2008
Dec 1902–Oct 1903
11-Month
51.8°F
(11.0°C)
52.6°F
(11.4°C)
-0.8°F
(-0.4°C)
28th Coolest Coolest since: 1902 1904
97th Warmest Warmest since: 1901 2012
Ties: 1923, 1965, 1970, 1993
Nov 1902–Oct 1903
12-Month
51.4°F
(10.8°C)
51.7°F
(10.9°C)
-0.3°F
(-0.1°C)
51st Coolest Coolest since: 1902 1904
74th Warmest Warmest since: 1901 2012
Ties: 1906, 1916
May 1902–Oct 1903
18-Month
56.4°F
(13.6°C)
56.9°F
(13.8°C)
-0.5°F
(-0.2°C)
37th Coolest Coolest since: 1902 1904
88th Warmest Warmest since: 1901 2012
Ties: 1943, 1952, 1961, 2015
Nov 1901–Oct 1903
24-Month
50.5°F
(10.3°C)
51.6°F
(10.9°C)
-1.1°F
(-0.6°C)
10th Coolest Coolest to Date 1905
114th Warmest Warmest since: 1902 2017
Ties: 1912, 1913, 1951, 1952
Nov 1900–Oct 1903
36-Month
50.8°F
(10.4°C)
51.6°F
(10.9°C)
-0.8°F
(-0.5°C)
10th Coolest Coolest to Date 1904, 1979
113th Warmest Warmest since: 1902 2018
Ties: 1912, 1919, 1952, 1962, 1970, 1981
Nov 1899–Oct 1903
48-Month
51.2°F
(10.7°C)
51.6°F
(10.9°C)
-0.4°F
(-0.2°C)
28th Coolest Coolest since: 1902 1905
94th Warmest Warmest since: 1901 2019
Ties: 1913, 1915, 1928, 1951, 1960, 1964, 1965, 1997
Nov 1898–Oct 1903
60-Month
50.9°F
(10.5°C)
51.5°F
(10.8°C)
-0.6°F
(-0.3°C)
13th Coolest Coolest to Date 1905, 1906
108th Warmest Warmest since: 1902 2002
Ties: 1970

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 20, 2019 from https://www.ncdc.noaa.gov/cag/