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 2017
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2019) |
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) | 108th 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) | 113th 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) | 90th 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) | 90th 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) | 90th 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) | 81st 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) | 106th 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) | 112th 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) | 120th 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) | 122nd 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) | 120th 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) | 122nd 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) | 123rd 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) | 123rd 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) | 120th 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 |
| 18th 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 |
| 21st Warmest | Warmest since: 2016 | 2002 | ||||
| Ties: 1933, 2010, 2014 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 21, 2019 from https://www.ncdc.noaa.gov/cag/