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 December 2020. For more information, please see Climatological Rankings.
Illinois
Average Temperature Rankings, October 2011
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
October 2011 1-Month |
55.2°F (12.9°C) | 54.6°F (12.6°C) |
0.6°F (0.3°C) | 75th Coolest | Coolest since: 2009 | 1925 |
| 52nd Warmest | Warmest since: 2010 | 1963 | ||||
| Ties: 1986 | ||||||
|
Sep–Oct 2011 2-Month |
59.4°F (15.2°C) | 60.4°F (15.8°C) |
-1.0°F (-0.6°C) | 39th Coolest | Coolest since: 2009 | 1917 |
| 88th Warmest | Warmest since: 2010 | 1897, 2016 | ||||
| Ties: 1903, 1951, 1995 | ||||||
|
Aug–Oct 2011 3-Month |
64.5°F (18.1°C) | 64.7°F (18.2°C) |
-0.2°F (-0.1°C) | 55th Coolest | Coolest since: 2009 | 1917 |
| 72nd Warmest | Warmest since: 2010 | 1947 | ||||
| Ties: 1918, 1946, 1948, 1985 | ||||||
|
Jul–Oct 2011 4-Month |
68.4°F (20.2°C) | 67.5°F (19.7°C) |
0.9°F (0.5°C) | 91st Coolest | Coolest since: 2009 | 1917 |
| 36th Warmest | Warmest since: 2010 | 1936 | ||||
| Ties: 1913, 1935, 1956, 2017 | ||||||
|
Jun–Oct 2011 5-Month |
69.3°F (20.7°C) | 68.3°F (20.2°C) |
1.0°F (0.5°C) | 94th Coolest | Coolest since: 2009 | 1917 |
| 33rd Warmest | Warmest since: 2010 | 1936 | ||||
| Ties: 1940, 2019 | ||||||
|
May–Oct 2011 6-Month |
68.1°F (20.1°C) | 67.2°F (19.6°C) |
0.9°F (0.5°C) | 90th Coolest | Coolest since: 2009 | 1917 |
| 37th Warmest | Warmest since: 2010 | 1936 | ||||
| Ties: 1897, 1899, 1930, 1971, 1977, 1980, 1986 | ||||||
|
Apr–Oct 2011 7-Month |
65.9°F (18.8°C) | 64.9°F (18.3°C) |
1.0°F (0.5°C) | 93rd Coolest | Coolest since: 2009 | 1917 |
| 34th Warmest | Warmest since: 2010 | 2010 | ||||
| Ties: 1899, 1919, 1947, 2002, 2019 | ||||||
|
Mar–Oct 2011 8-Month |
62.9°F (17.2°C) | 61.8°F (16.6°C) |
1.1°F (0.6°C) | 98th Coolest | Coolest since: 2009 | 1917 |
| 29th Warmest | Warmest since: 2010 | 2012 | ||||
| Ties: 1931, 1959 | ||||||
|
Feb–Oct 2011 9-Month |
59.3°F (15.2°C) | 58.2°F (14.6°C) |
1.1°F (0.6°C) | 99th Coolest | Coolest since: 2009 | 1917 |
| 28th Warmest | Warmest since: 2010 | 2012 | ||||
| Ties: 1919, 1933, 1983, 2002 | ||||||
|
Jan–Oct 2011 10-Month |
55.6°F (13.1°C) | 54.9°F (12.7°C) |
0.7°F (0.4°C) | 84th Coolest | Coolest since: 2009 | 1904 |
| 43rd Warmest | Warmest since: 2010 | 2012 | ||||
|
Dec 2010–Oct 2011 11-Month |
52.7°F (11.5°C) | 52.6°F (11.4°C) |
0.1°F (0.1°C) | 66th Coolest | Coolest since: 2009 | 1904 |
| 60th Warmest | Warmest since: 2010 | 2012 | ||||
| Ties: 1898, 1927, 1976 | ||||||
|
Nov 2010–Oct 2011 12-Month |
52.0°F (11.1°C) | 51.6°F (10.9°C) |
0.4°F (0.2°C) | 79th Coolest | Coolest since: 2009 | 1904 |
| 47th Warmest | Warmest since: 2010 | 2012 | ||||
| Ties: 1908, 1930, 1935, 1990 | ||||||
|
May 2010–Oct 2011 18-Month |
57.8°F (14.3°C) | 56.8°F (13.8°C) |
1.0°F (0.5°C) | 97th Coolest | Coolest since: 2010 | 1904 |
| 29th Warmest | Warmest since: 2007 | 2012 | ||||
| Ties: 1941, 1988, 2013, 2018, 2020 | ||||||
|
Nov 2009–Oct 2011 24-Month |
52.8°F (11.6°C) | 51.6°F (10.9°C) |
1.2°F (0.7°C) | 104th Coolest | Coolest since: 2010 | 1905 |
| 21st Warmest | Warmest since: 2008 | 2017 | ||||
| Ties: 1931, 2003, 2008 | ||||||
|
Nov 2008–Oct 2011 36-Month |
52.1°F (11.2°C) | 51.6°F (10.9°C) |
0.5°F (0.3°C) | 84th Coolest | Coolest since: 2010 | 1904, 1979 |
| 40th Warmest | Warmest since: 2009 | 2018 | ||||
| Ties: 1931, 1990, 2009 | ||||||
|
Nov 2007–Oct 2011 48-Month |
51.9°F (11.1°C) | 51.6°F (10.9°C) |
0.3°F (0.2°C) | 72nd Coolest | Coolest since: 1997 | 1905 |
| 51st Warmest | Warmest since: 2010 | 2019 | ||||
| Ties: 1937, 1938, 1947, 1976 | ||||||
|
Nov 2006–Oct 2011 60-Month |
52.4°F (11.3°C) | 51.6°F (10.9°C) |
0.8°F (0.4°C) | 92nd Coolest | Coolest since: 1999 | 1905, 1906 |
| 30th Warmest | Warmest since: 2010 | 2002, 2020 | ||||
| Ties: 1955, 1990 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 26, 2021 from https://www.ncdc.noaa.gov/cag/