NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
February 2003 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| February 2003 1-Month | 26.4°F (-3.1°C) | 29.2°F (-1.6°C) | -2.8°F | 38th Coolest | Coolest since: | 1978 |
| 94th Warmest | Warmest since: | 2017 | ||||
| Ties: 1941 | ||||||
| Jan– 2-Month | 24.6°F (-4.1°C) | 27.3°F (-2.6°C) | -2.7°F | 25th Coolest | Coolest since: | 1979 |
| 107th Warmest | Warmest since: | 2017 | ||||
| Ties: 1968, 1980, 1988 | ||||||
| Dec 2002– 3-Month | 27.1°F (-2.7°C) | 28.0°F (-2.2°C) | -0.9°F | 39th Coolest | Coolest since: | 1978 |
| 92nd Warmest | Warmest since: | 1932 | ||||
| Ties: 1948 | ||||||
| Nov 2002– 4-Month | 30.3°F (-0.9°C) | 31.2°F (-0.4°C) | -0.9°F | 37th Coolest | Coolest since: | 1977 |
| 94th Warmest | Warmest since: | 1932 | ||||
| Oct 2002– 5-Month | 34.6°F (1.4°C) | 35.9°F (2.2°C) | -1.3°F | 26th Coolest | Coolest since: | 1977 |
| 105th Warmest | Warmest since: | 1932 | ||||
| Ties: 1959, 1962 | ||||||
| Sep 2002– 6-Month | 40.4°F (4.7°C) | 41.0°F (5.0°C) | -0.6°F | 37th Coolest | Coolest since: | 1977 |
| 94th Warmest | Warmest since: | 1932 | ||||
| Aug 2002– 7-Month | 45.3°F (7.4°C) | 45.6°F (7.6°C) | -0.3°F | 48th Coolest | Coolest since: | 1977 |
| 83rd Warmest | Warmest since: | 1932 | ||||
| Ties: 1925, 1975 | ||||||
| Jul 2002– 8-Month | 49.5°F (9.7°C) | 49.4°F (9.7°C) | 0.1°F | 58th Coolest | Coolest since: | 1977 |
| 73rd Warmest | Warmest since: | 1932 | ||||
| Ties: 1938, 1960, 1966, 1988 | ||||||
| Jun 2002– 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 2002– 10-Month | 52.9°F (11.6°C) | 52.8°F (11.6°C) | 0.1°F | 56th Coolest | Coolest since: | 1918 |
| 75th Warmest | Warmest since: | 1932 | ||||
| Ties: 1897, 1913 | ||||||
| Apr 2002– 11-Month | 52.9°F (11.6°C) | 52.7°F (11.5°C) | 0.2°F | 60th Coolest | Coolest since: | 1918 |
| 71st Warmest | Warmest since: | 1932 | ||||
| Mar 2002– 12-Month | 51.7°F (10.9°C) | 51.6°F (10.9°C) | 0.1°F | 61st Coolest | Coolest since: | 1918 |
| 70th Warmest | Warmest since: | 2017 | ||||
| Ties: 1940, 1975 | ||||||
| Sep 2001– 18-Month | 49.6°F (9.8°C) | 48.1°F (8.9°C) | 1.5°F | 111th Coolest | Coolest since: | 1905 |
| 19th Warmest | Warmest since: | 2017 | ||||
| Mar 2001– 24-Month | 53.0°F (11.7°C) | 51.6°F (10.9°C) | 1.4°F | 108th Coolest | Coolest since: | 1905 |
| 22nd Warmest | Warmest since: | 2017 | ||||
| Mar 2000– 36-Month | 52.5°F (11.4°C) | 51.6°F (10.9°C) | 0.9°F | 96th Coolest | Coolest since: | 1979 |
| 33rd Warmest | Warmest since: | 2013, 2018 | ||||
| Mar 1999– 48-Month | 52.8°F (11.6°C) | 51.6°F (10.9°C) | 1.2°F | 110th Coolest | Coolest since: | 1905 |
| 18th Warmest | Warmest since: | 2025 | ||||
| Mar 1998– 60-Month | 53.1°F (11.7°C) | 51.6°F (10.9°C) | 1.5°F | 119th Coolest | Coolest since: | 1905 |
| 8th 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 19, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
