NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
January 2001 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| January 2001 1-Month | 25.7°F (-3.5°C) | 25.3°F (-3.7°C) | 0.4°F | 58th Coolest | Coolest since: | 1977 |
| 74th Warmest | Warmest since: | 2006 | ||||
| Dec 2000– 2-Month | 21.7°F (-5.7°C) | 27.5°F (-2.5°C) | -5.8°F | 10th Coolest | Coolest since: | 1918 |
| 121st Warmest | Warmest since: | 1932 | ||||
| Nov 2000– 3-Month | 27.4°F (-2.6°C) | 31.9°F (-0.1°C) | -4.5°F | 7th Coolest | Coolest since: | 1977 |
| 124th Warmest | Warmest since: | 1932 | ||||
| Oct 2000– 4-Month | 35.1°F (1.7°C) | 37.6°F (3.1°C) | -2.5°F | 15th Coolest | Coolest since: | 1977 |
| 116th Warmest | Warmest since: | 1932 | ||||
| Ties: 1982 | ||||||
| Sep 2000– 5-Month | 41.3°F (5.2°C) | 43.3°F (6.3°C) | -2.0°F | 15th Coolest | Coolest since: | 1977 |
| 116th Warmest | Warmest since: | 1932 | ||||
| Aug 2000– 6-Month | 46.9°F (8.3°C) | 48.4°F (9.1°C) | -1.5°F | 20th Coolest | Coolest since: | 1977 |
| 111th Warmest | Warmest since: | 1932 | ||||
| Jul 2000– 7-Month | 50.6°F (10.3°C) | 52.2°F (11.2°C) | -1.6°F | 16th Coolest | Coolest since: | 1977 |
| 115th Warmest | Warmest since: | 1932 | ||||
| Jun 2000– 8-Month | 53.1°F (11.7°C) | 54.6°F (12.6°C) | -1.5°F | 16th Coolest | Coolest since: | 1918, 1977 |
| 115th Warmest | Warmest since: | 1932 | ||||
| May 2000– 9-Month | 54.4°F (12.4°C) | 55.5°F (13.1°C) | -1.1°F | 24th Coolest | Coolest since: | 1918 |
| 107th Warmest | Warmest since: | 1932 | ||||
| Ties: 1916, 1926, 1927, 1994 | ||||||
| Apr 2000– 10-Month | 54.1°F (12.3°C) | 55.1°F (12.8°C) | -1.0°F | 27th Coolest | Coolest since: | 1918 |
| 104th Warmest | Warmest since: | 1932 | ||||
| Ties: 1979 | ||||||
| Mar 2000– 11-Month | 53.4°F (11.9°C) | 53.7°F (12.1°C) | -0.3°F | 45th Coolest | Coolest since: | 1918 |
| 86th Warmest | Warmest since: | 2013 | ||||
| Ties: 1913, 1967, 1969, 1996 | ||||||
| Feb 2000– 12-Month | 52.1°F (11.2°C) | 51.6°F (10.9°C) | 0.5°F | 76th Coolest | Coolest since: | 1918 |
| 55th Warmest | Warmest since: | 2013 | ||||
| Aug 1999– 18-Month | 51.4°F (10.8°C) | 50.5°F (10.3°C) | 0.9°F | 91st Coolest | Coolest since: | 1905, 1918 |
| 39th Warmest | Warmest since: | 2017 | ||||
| Feb 1999– 24-Month | 52.9°F (11.6°C) | 51.6°F (10.9°C) | 1.3°F | 100th Coolest | Coolest since: | 1918 |
| 30th Warmest | Warmest since: | 2013 | ||||
| Feb 1998– 36-Month | 53.5°F (11.9°C) | 51.6°F (10.9°C) | 1.9°F | 121st Coolest | Coolest since: | 1905 |
| 8th Warmest | Warmest since: | 2013 | ||||
| Ties: 1934 | ||||||
| Feb 1997– 48-Month | 53.1°F (11.7°C) | 51.6°F (10.9°C) | 1.5°F | 116th Coolest | Coolest since: | 1905 |
| 12th Warmest | Warmest since: | 2025 | ||||
| Feb 1996– 60-Month | 52.4°F (11.3°C) | 51.6°F (10.9°C) | 0.8°F | 94th Coolest | Coolest since: | 1906 |
| 33rd Warmest | Warmest since: | 2025 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on March 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
