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 2017
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
October 2017 1-Month |
58.1°F (14.5°C) | 54.6°F (12.6°C) |
3.5°F (1.9°C) | 109th Coolest | Coolest since: 2015 | 1925 |
| 18th Warmest | Warmest since: 2016 | 1963 | ||||
|
Sep–Oct 2017 2-Month |
63.4°F (17.4°C) | 60.4°F (15.8°C) |
3.0°F (1.6°C) | 114th Coolest | Coolest since: 2015 | 1917 |
| 13th Warmest | Warmest since: 2016 | 1897, 2016 | ||||
| Ties: 1938, 1941, 1973 | ||||||
|
Aug–Oct 2017 3-Month |
65.8°F (18.8°C) | 64.8°F (18.2°C) |
1.0°F (0.6°C) | 91st Coolest | Coolest since: 2014 | 1917 |
| 36th Warmest | Warmest since: 2016 | 1947 | ||||
| Ties: 1933, 1995 | ||||||
|
Jul–Oct 2017 4-Month |
68.4°F (20.2°C) | 67.5°F (19.7°C) |
0.9°F (0.5°C) | 91st Coolest | Coolest since: 2015 | 1917 |
| 36th Warmest | Warmest since: 2016 | 1936 | ||||
| Ties: 1913, 1935, 1956, 2011 | ||||||
|
Jun–Oct 2017 5-Month |
69.2°F (20.7°C) | 68.2°F (20.1°C) |
1.0°F (0.6°C) | 91st Coolest | Coolest since: 2015 | 1917 |
| 36th Warmest | Warmest since: 2016 | 1936 | ||||
| Ties: 1944, 1995 | ||||||
|
May–Oct 2017 6-Month |
68.0°F (20.0°C) | 67.2°F (19.6°C) |
0.8°F (0.4°C) | 82nd Coolest | Coolest since: 2014 | 1917 |
| 45th Warmest | Warmest since: 2016 | 1936 | ||||
| Ties: 1962, 1973 | ||||||
|
Apr–Oct 2017 7-Month |
66.4°F (19.1°C) | 65.0°F (18.3°C) |
1.4°F (0.8°C) | 107th Coolest | Coolest since: 2015 | 1917 |
| 20th Warmest | Warmest since: 2016 | 2010 | ||||
| Ties: 1938, 1986, 2018 | ||||||
|
Mar–Oct 2017 8-Month |
63.5°F (17.5°C) | 61.9°F (16.6°C) |
1.6°F (0.9°C) | 113th Coolest | Coolest since: 2015 | 1917 |
| 14th Warmest | Warmest since: 2016 | 2012 | ||||
| Ties: 1941, 1963, 1986 | ||||||
|
Feb–Oct 2017 9-Month |
61.0°F (16.1°C) | 58.2°F (14.6°C) |
2.8°F (1.5°C) | 121st Coolest | Coolest since: 2015 | 1917 |
| 6th Warmest | Warmest since: 2016 | 2012 | ||||
| Ties: 1938 | ||||||
|
Jan–Oct 2017 10-Month |
58.1°F (14.5°C) | 54.9°F (12.7°C) |
3.2°F (1.8°C) | 123rd Coolest | Coolest since: 2016 | 1904 |
| 4th Warmest | Warmest since: 2012 | 2012 | ||||
|
Dec 2016–Oct 2017 11-Month |
55.4°F (13.0°C) | 52.6°F (11.4°C) |
2.8°F (1.6°C) | 121st Coolest | Coolest since: 2015 | 1904 |
| 5th Warmest | Warmest since: 2016 | 2012 | ||||
|
Nov 2016–Oct 2017 12-Month |
54.8°F (12.7°C) | 51.6°F (10.9°C) |
3.2°F (1.8°C) | 123rd Coolest | Coolest since: 2015 | 1904 |
| 3rd Warmest | Warmest since: 2016 | 2012 | ||||
|
May 2016–Oct 2017 18-Month |
59.8°F (15.4°C) | 56.8°F (13.8°C) |
3.0°F (1.6°C) | 124th Coolest | Coolest since: 2016 | 1904 |
| 2nd Warmest | Warmest since: 2016 | 2012 | ||||
| Ties: 2016 | ||||||
|
Nov 2015–Oct 2017 24-Month |
55.2°F (12.9°C) | 51.6°F (10.9°C) |
3.6°F (2.0°C) | 124th Coolest | Coolest since: 2016 | 1905 |
| 1st Warmest | Warmest to Date | 2017 | ||||
|
Nov 2014–Oct 2017 36-Month |
53.9°F (12.2°C) | 51.6°F (10.9°C) |
2.3°F (1.3°C) | 121st Coolest | Coolest since: 2016 | 1904, 1979 |
| 3rd Warmest | Warmest since: 2012 | 2018 | ||||
| Ties: 2007, 2012 | ||||||
|
Nov 2013–Oct 2017 48-Month |
52.7°F (11.5°C) | 51.6°F (10.9°C) |
1.1°F (0.6°C) | 104th Coolest | Coolest since: 2016 | 1905 |
| 19th Warmest | Warmest since: 2013 | 2019 | ||||
| Ties: 2003 | ||||||
|
Nov 2012–Oct 2017 60-Month |
52.6°F (11.4°C) | 51.6°F (10.9°C) |
1.0°F (0.5°C) | 100th Coolest | Coolest since: 2015 | 1905, 1906 |
| 22nd Warmest | Warmest since: 2016 | 2002, 2020 | ||||
| Ties: 1933, 2010, 2014 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 17, 2021 from https://www.ncdc.noaa.gov/cag/