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 January 2020. For more information, please see Climatological Rankings.
Illinois
Average Temperature Rankings, September 2016
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2019) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
September 2016 1-Month |
70.8°F (21.6°C) | 66.2°F (19.0°C) |
4.6°F (2.6°C) | 118th Coolest | Coolest since: 2015 | 1918 |
| 8th Warmest | Warmest since: 1998 | 1925, 1933 | ||||
|
Aug–Sep 2016 2-Month |
73.2°F (22.9°C) | 69.8°F (21.0°C) |
3.4°F (1.9°C) | 121st Coolest | Coolest since: 2015 | 1967 |
| 5th Warmest | Warmest since: 2007 | 1936 | ||||
|
Jul–Sep 2016 3-Month |
74.0°F (23.3°C) | 71.7°F (22.1°C) |
2.3°F (1.2°C) | 114th Coolest | Coolest since: 2015 | 1967 |
| 12th Warmest | Warmest since: 2005 | 1936 | ||||
| Ties: 1933 | ||||||
|
Jun–Sep 2016 4-Month |
74.2°F (23.4°C) | 71.6°F (22.0°C) |
2.6°F (1.4°C) | 117th Coolest | Coolest since: 2015 | 1915, 1924 |
| 9th Warmest | Warmest since: 2005 | 1936 | ||||
| Ties: 1988 | ||||||
|
May–Sep 2016 5-Month |
71.8°F (22.1°C) | 69.8°F (21.0°C) |
2.0°F (1.1°C) | 112th Coolest | Coolest since: 2015 | 1924 |
| 14th Warmest | Warmest since: 2012 | 1936 | ||||
| Ties: 1941, 1959 | ||||||
|
Apr–Sep 2016 6-Month |
68.6°F (20.3°C) | 66.7°F (19.3°C) |
1.9°F (1.0°C) | 110th Coolest | Coolest since: 2015 | 1907 |
| 16th Warmest | Warmest since: 2012 | 2010 | ||||
| Ties: 2007 | ||||||
|
Mar–Sep 2016 7-Month |
65.6°F (18.7°C) | 62.9°F (17.2°C) |
2.7°F (1.5°C) | 118th Coolest | Coolest since: 2015 | 1924 |
| 8th Warmest | Warmest since: 2012 | 2012 | ||||
|
Feb–Sep 2016 8-Month |
61.6°F (16.4°C) | 58.6°F (14.8°C) |
3.0°F (1.6°C) | 120th Coolest | Coolest since: 2015 | 1904 |
| 6th Warmest | Warmest since: 2012 | 2012 | ||||
|
Jan–Sep 2016 9-Month |
57.8°F (14.3°C) | 55.0°F (12.8°C) |
2.8°F (1.5°C) | 120th Coolest | Coolest since: 2015 | 1904, 1912 |
| 6th Warmest | Warmest since: 2012 | 2012 | ||||
|
Dec 2015–Sep 2016 10-Month |
56.1°F (13.4°C) | 52.4°F (11.3°C) |
3.7°F (2.1°C) | 122nd Coolest | Coolest since: 2015 | 1904 |
| 3rd Warmest | Warmest since: 2012 | 2012 | ||||
|
Nov 2015–Sep 2016 11-Month |
55.2°F (12.9°C) | 51.3°F (10.7°C) |
3.9°F (2.2°C) | 123rd Coolest | Coolest since: 2015 | 1904 |
| 2nd Warmest | Warmest since: 2012 | 2012 | ||||
|
Oct 2015–Sep 2016 12-Month |
55.3°F (12.9°C) | 51.6°F (10.9°C) |
3.7°F (2.0°C) | 123rd Coolest | Coolest since: 2015 | 1904 |
| 2nd Warmest | Warmest since: 2012 | 2012 | ||||
|
Apr 2015–Sep 2016 18-Month |
59.5°F (15.3°C) | 56.7°F (13.7°C) |
2.8°F (1.6°C) | 123rd Coolest | Coolest since: 2015 | 1904, 1918 |
| 2nd Warmest | Warmest since: 2012 | 2012 | ||||
| Ties: 2017 | ||||||
|
Oct 2014–Sep 2016 24-Month |
53.2°F (11.8°C) | 51.6°F (10.9°C) |
1.6°F (0.9°C) | 109th Coolest | Coolest since: 2015 | 1979 |
| 15th Warmest | Warmest since: 2013 | 2017 | ||||
| Ties: 1988, 1991 | ||||||
|
Oct 2013–Sep 2016 36-Month |
51.9°F (11.1°C) | 51.6°F (10.9°C) |
0.3°F (0.2°C) | 74th Coolest | Coolest since: 2015 | 1979 |
| 49th Warmest | Warmest since: 2014 | 2018 | ||||
| Ties: 1915, 1948, 1985 | ||||||
|
Oct 2012–Sep 2016 48-Month |
51.9°F (11.1°C) | 51.6°F (10.9°C) |
0.3°F (0.2°C) | 73rd Coolest | Coolest since: 1997 | 1905 |
| 49th Warmest | Warmest since: 2015 | 2019 | ||||
| Ties: 1921, 1937, 1938, 1943, 1975, 1994 | ||||||
|
Oct 2011–Sep 2016 60-Month |
52.8°F (11.6°C) | 51.6°F (10.9°C) |
1.2°F (0.7°C) | 110th Coolest | Coolest since: 2015 | 1906 |
| 11th Warmest | Warmest since: 2013 | 2002 | ||||
| Ties: 1957, 1991, 2009 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 22, 2020 from https://www.ncdc.noaa.gov/cag/