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, August 2017
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
August 2017 1-Month |
70.5°F (21.4°C) | 73.4°F (23.0°C) |
-2.9°F (-1.6°C) | 10th Coolest | Coolest since: 2004 | 1915 |
| 117th Warmest | Warmest since: 2016 | 1947 | ||||
| Ties: 1976, 1985 | ||||||
|
Jul–Aug 2017 2-Month |
73.3°F (22.9°C) | 74.5°F (23.6°C) |
-1.2°F (-0.7°C) | 31st Coolest | Coolest since: 2015 | 1915 |
| 96th Warmest | Warmest since: 2016 | 1936 | ||||
| Ties: 1905, 1958, 1990 | ||||||
|
Jun–Aug 2017 3-Month |
73.1°F (22.8°C) | 73.5°F (23.1°C) |
-0.4°F (-0.3°C) | 51st Coolest | Coolest since: 2015 | 1915 |
| 76th Warmest | Warmest since: 2016 | 1936 | ||||
| Ties: 1971 | ||||||
|
May–Aug 2017 4-Month |
70.3°F (21.3°C) | 70.6°F (21.4°C) |
-0.3°F (-0.1°C) | 53rd Coolest | Coolest since: 2014 | 1915 |
| 74th Warmest | Warmest since: 2016 | 1934, 1936 | ||||
| Ties: 1905, 1925, 1940, 2013 | ||||||
|
Apr–Aug 2017 5-Month |
67.5°F (19.7°C) | 66.8°F (19.3°C) |
0.7°F (0.4°C) | 83rd Coolest | Coolest since: 2015 | 1907 |
| 44th Warmest | Warmest since: 2016 | 1934 | ||||
| Ties: 1931, 1938, 1943, 1995 | ||||||
|
Mar–Aug 2017 6-Month |
63.5°F (17.5°C) | 62.3°F (16.8°C) |
1.2°F (0.7°C) | 102nd Coolest | Coolest since: 2015 | 1904, 1950, 1960 |
| 25th Warmest | Warmest since: 2016 | 2012 | ||||
| Ties: 1911, 1922, 1930, 1933, 1941, 1995, 2000 | ||||||
|
Feb–Aug 2017 7-Month |
60.3°F (15.7°C) | 57.6°F (14.2°C) |
2.7°F (1.5°C) | 121st Coolest | Coolest since: 2016 | 1904 |
| 6th Warmest | Warmest since: 2016 | 2012 | ||||
| Ties: 1938, 2010, 2016 | ||||||
|
Jan–Aug 2017 8-Month |
56.8°F (13.8°C) | 53.6°F (12.0°C) |
3.2°F (1.8°C) | 124th Coolest | Coolest since: 2016 | 1904, 1912 |
| 3rd Warmest | Warmest since: 2012 | 2012 | ||||
| Ties: 1987, 1998 | ||||||
|
Dec 2016–Aug 2017 9-Month |
53.7°F (12.1°C) | 50.9°F (10.5°C) |
2.8°F (1.6°C) | 120th Coolest | Coolest since: 2015 | 1904 |
| 6th Warmest | Warmest since: 2016 | 2012 | ||||
|
Nov 2016–Aug 2017 10-Month |
53.1°F (11.7°C) | 49.9°F (9.9°C) |
3.2°F (1.8°C) | 122nd Coolest | Coolest since: 2015 | 1904 |
| 4th Warmest | Warmest since: 2016 | 2012 | ||||
| Ties: 2002 | ||||||
|
Oct 2016–Aug 2017 11-Month |
53.7°F (12.1°C) | 50.3°F (10.2°C) |
3.4°F (1.9°C) | 122nd Coolest | Coolest since: 2015 | 1904 |
| 4th Warmest | Warmest since: 2016 | 2012 | ||||
|
Sep 2016–Aug 2017 12-Month |
55.1°F (12.8°C) | 51.6°F (10.9°C) |
3.5°F (1.9°C) | 123rd Coolest | Coolest since: 2015 | 1904 |
| 3rd Warmest | Warmest since: 2016 | 2012 | ||||
|
Mar 2016–Aug 2017 18-Month |
58.3°F (14.6°C) | 55.1°F (12.8°C) |
3.2°F (1.8°C) | 124th Coolest | Coolest since: 2016 | 1904 |
| 2nd Warmest | Warmest since: 2012 | 2012 | ||||
|
Sep 2015–Aug 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 | ||||
|
Sep 2014–Aug 2017 36-Month |
53.7°F (12.1°C) | 51.6°F (10.9°C) |
2.1°F (1.2°C) | 120th Coolest | Coolest since: 2016 | 1979 |
| 4th Warmest | Warmest since: 2012 | 2018 | ||||
| Ties: 2007 | ||||||
|
Sep 2013–Aug 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 | ||||||
|
Sep 2012–Aug 2017 60-Month |
52.5°F (11.4°C) | 51.6°F (10.9°C) |
0.9°F (0.5°C) | 98th Coolest | Coolest since: 2015 | 1906 |
| 24th Warmest | Warmest since: 2016 | 2020 | ||||
| Ties: 1923, 1933, 1942 | ||||||
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/