NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
March 1998 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| March 1998 1-Month | 40.6°F (4.8°C) | 39.8°F (4.3°C) | 0.8°F | 69th Coolest | Coolest since: | 1960 |
| 62nd Warmest | Warmest since: | 2012 | ||||
| Ties: 1917 | ||||||
| Feb– 2-Month | 40.3°F (4.6°C) | 34.5°F (1.4°C) | 5.8°F | 120th Coolest | Coolest since: | 1978 |
| 11th Warmest | Warmest since: | 2012 | ||||
| Jan– 3-Month | 37.5°F (3.1°C) | 31.4°F (-0.3°C) | 6.1°F | 125th Coolest | Coolest since: | 1912 |
| 6th Warmest | Warmest since: | 2012 | ||||
| Ties: 1946 | ||||||
| Dec 1997– 4-Month | 36.1°F (2.3°C) | 31.0°F (-0.6°C) | 5.1°F | 124th Coolest | Coolest since: | 1978 |
| 6th Warmest | Warmest since: | 2012 | ||||
| Ties: 1992 | ||||||
| Nov 1997– 5-Month | 36.6°F (2.6°C) | 32.9°F (0.5°C) | 3.7°F | 118th Coolest | Coolest since: | 1912 |
| 12th Warmest | Warmest since: | 2012 | ||||
| Oct 1997– 6-Month | 39.7°F (4.3°C) | 36.6°F (2.6°C) | 3.1°F | 119th Coolest | Coolest since: | 1912, 1978 |
| 11th Warmest | Warmest since: | 2012 | ||||
| Sep 1997– 7-Month | 43.5°F (6.4°C) | 40.8°F (4.9°C) | 2.7°F | 117th Coolest | Coolest since: | 1977, 1978 |
| 13th Warmest | Warmest since: | 2017 | ||||
| Aug 1997– 8-Month | 46.9°F (8.3°C) | 44.9°F (7.2°C) | 2.0°F | 111th Coolest | Coolest since: | 1977 |
| 19th Warmest | Warmest since: | 2017 | ||||
| Ties: 1983 | ||||||
| Jul 1997– 9-Month | 50.0°F (10.0°C) | 48.3°F (9.1°C) | 1.7°F | 110th Coolest | Coolest since: | 1977 |
| 20th Warmest | Warmest since: | 2012 | ||||
| Ties: 1983 | ||||||
| Jun 1997– 10-Month | 52.1°F (11.2°C) | 50.6°F (10.3°C) | 1.5°F | 107th Coolest | Coolest since: | 1904 |
| 23rd Warmest | Warmest since: | 2012 | ||||
| Ties: 1974, 1987, 1995 | ||||||
| May 1997– 11-Month | 52.6°F (11.4°C) | 51.7°F (10.9°C) | 0.9°F | 86th Coolest | Coolest since: | 1918 |
| 44th Warmest | Warmest since: | 2012 | ||||
| Apr 1997– 12-Month | 52.2°F (11.2°C) | 51.6°F (10.9°C) | 0.6°F | 75th Coolest | Coolest since: | 1918 |
| 55th Warmest | Warmest since: | 2012 | ||||
| Oct 1996– 18-Month | 46.9°F (8.3°C) | 46.6°F (8.1°C) | 0.3°F | 73rd Coolest | Coolest since: | 1905 |
| 56th Warmest | Warmest since: | 2017 | ||||
| Apr 1996– 24-Month | 51.5°F (10.8°C) | 51.6°F (10.9°C) | -0.1°F | 46th Coolest | Coolest since: | 1905 |
| 83rd Warmest | Warmest since: | 2017 | ||||
| Ties: 1916, 1944, 1947, 1948, 1961, 1981, 1983 | ||||||
| Apr 1995– 36-Month | 51.3°F (10.7°C) | 51.6°F (10.9°C) | -0.3°F | 38th Coolest | Coolest since: | 1979 |
| 90th Warmest | Warmest since: | 2018 | ||||
| Ties: 1914, 1917, 1928, 1959, 1984 | ||||||
| Apr 1994– 48-Month | 51.7°F (10.9°C) | 51.6°F (10.9°C) | 0.1°F | 56th Coolest | Coolest since: | 1980 |
| 71st Warmest | Warmest since: | 2019 | ||||
| Ties: 1917, 1954, 1967, 1986 | ||||||
| Apr 1993– 60-Month | 51.5°F (10.8°C) | 51.6°F (10.9°C) | -0.1°F | 49th Coolest | Coolest since: | 1906 |
| 77th Warmest | Warmest since: | 2020 | ||||
| Ties: 1901, 1951, 1960, 1967, 1985 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on March 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
