NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
February 2004 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| February 2004 1-Month | 30.0°F (-1.1°C) | 29.2°F (-1.6°C) | 0.8°F | 75th Coolest | Coolest since: | 1978 |
| 57th Warmest | Warmest since: | 2017 | ||||
| Jan– 2-Month | 27.4°F (-2.6°C) | 27.3°F (-2.6°C) | 0.1°F | 57th Coolest | Coolest since: | 1979 |
| 75th Warmest | Warmest since: | 2017 | ||||
| Dec 2003– 3-Month | 29.5°F (-1.4°C) | 28.0°F (-2.2°C) | 1.5°F | 87th Coolest | Coolest since: | 1978 |
| 44th Warmest | Warmest since: | 1932 | ||||
| Ties: 1914, 1927 | ||||||
| Nov 2003– 4-Month | 33.3°F (0.7°C) | 31.2°F (-0.4°C) | 2.1°F | 101st Coolest | Coolest since: | 1977 |
| 30th Warmest | Warmest since: | 1932 | ||||
| Oct 2003– 5-Month | 37.6°F (3.1°C) | 35.9°F (2.2°C) | 1.7°F | 98th Coolest | Coolest since: | 1977 |
| 33rd Warmest | Warmest since: | 1932 | ||||
| Ties: 1909, 1928, 1974 | ||||||
| Sep 2003– 6-Month | 42.0°F (5.6°C) | 41.0°F (5.0°C) | 1.0°F | 84th Coolest | Coolest since: | 1977 |
| 47th Warmest | Warmest since: | 1932 | ||||
| Ties: 1941 | ||||||
| Aug 2003– 7-Month | 46.7°F (8.2°C) | 45.6°F (7.6°C) | 1.1°F | 89th Coolest | Coolest since: | 1977 |
| 42nd Warmest | Warmest since: | 1932 | ||||
| Ties: 1898, 1935, 1953 | ||||||
| Jul 2003– 8-Month | 50.2°F (10.1°C) | 49.4°F (9.7°C) | 0.8°F | 84th Coolest | Coolest since: | 1977 |
| 47th Warmest | Warmest since: | 1932 | ||||
| Ties: 1901, 1941 | ||||||
| Jun 2003– 9-Month | 52.2°F (11.2°C) | 51.8°F (11.0°C) | 0.4°F | 74th Coolest | Coolest since: | 1977 |
| 57th Warmest | Warmest since: | 1932 | ||||
| May 2003– 10-Month | 53.1°F (11.7°C) | 52.8°F (11.6°C) | 0.3°F | 67th Coolest | Coolest since: | 1918 |
| 64th Warmest | Warmest since: | 1932 | ||||
| Ties: 1944, 1947, 1964, 1984 | ||||||
| Apr 2003– 11-Month | 53.1°F (11.7°C) | 52.7°F (11.5°C) | 0.4°F | 69th Coolest | Coolest since: | 1918 |
| 62nd Warmest | Warmest since: | 1932 | ||||
| Ties: 1991 | ||||||
| Mar 2003– 12-Month | 52.2°F (11.2°C) | 51.6°F (10.9°C) | 0.6°F | 77th Coolest | Coolest since: | 1918 |
| 54th Warmest | Warmest since: | 2017 | ||||
| Sep 2002– 18-Month | 48.2°F (9.0°C) | 48.1°F (8.9°C) | 0.1°F | 68th Coolest | Coolest since: | 1905 |
| 62nd Warmest | Warmest since: | 2017 | ||||
| Ties: 1920, 1926, 1998 | ||||||
| Mar 2002– 24-Month | 51.9°F (11.1°C) | 51.6°F (10.9°C) | 0.3°F | 71st Coolest | Coolest since: | 1905 |
| 59th Warmest | Warmest since: | 2017 | ||||
| Ties: 1974, 1976 | ||||||
| Mar 2001– 36-Month | 52.7°F (11.5°C) | 51.6°F (10.9°C) | 1.1°F | 103rd Coolest | Coolest since: | 1979 |
| 26th Warmest | Warmest since: | 2013, 2018 | ||||
| Mar 2000– 48-Month | 52.4°F (11.3°C) | 51.6°F (10.9°C) | 0.8°F | 94th Coolest | Coolest since: | 1905 |
| 34th Warmest | Warmest since: | 2025 | ||||
| Mar 1999– 60-Month | 52.7°F (11.5°C) | 51.6°F (10.9°C) | 1.1°F | 107th Coolest | Coolest since: | 1905 |
| 20th 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 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
