NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
February 1990 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| February 1990 1-Month | 35.5°F (1.9°C) | 29.2°F (-1.6°C) | 6.3°F | 113th Coolest | Coolest since: | 1978 |
| 19th Warmest | Warmest since: | 2017 | ||||
| Jan– 2-Month | 36.0°F (2.2°C) | 27.3°F (-2.6°C) | 8.7°F | 130th Coolest | Coolest since: | 1979 |
| 2nd Warmest | Warmest to Date | 2017 | ||||
| Dec 1989– 3-Month | 30.0°F (-1.1°C) | 28.0°F (-2.2°C) | 2.0°F | 96th Coolest | Coolest since: | 1978 |
| 35th Warmest | Warmest since: | 1932 | ||||
| Ties: 1960 | ||||||
| Nov 1989– 4-Month | 32.7°F (0.4°C) | 31.2°F (-0.4°C) | 1.5°F | 93rd Coolest | Coolest since: | 1977 |
| 38th Warmest | Warmest since: | 1932 | ||||
| Ties: 1966, 1975 | ||||||
| Oct 1989– 5-Month | 37.3°F (2.9°C) | 35.9°F (2.2°C) | 1.4°F | 91st Coolest | Coolest since: | 1977 |
| 40th Warmest | Warmest since: | 1932 | ||||
| Ties: 1923, 1941, 1949 | ||||||
| Sep 1989– 6-Month | 41.6°F (5.3°C) | 41.0°F (5.0°C) | 0.6°F | 77th Coolest | Coolest since: | 1977 |
| 54th Warmest | Warmest since: | 1932 | ||||
| Ties: 1916 | ||||||
| Aug 1989– 7-Month | 46.1°F (7.8°C) | 45.6°F (7.6°C) | 0.5°F | 74th Coolest | Coolest since: | 1977 |
| 57th Warmest | Warmest since: | 1932 | ||||
| Ties: 1900, 1906, 1964 | ||||||
| Jul 1989– 8-Month | 49.8°F (9.9°C) | 49.4°F (9.7°C) | 0.4°F | 72nd Coolest | Coolest since: | 1977 |
| 59th Warmest | Warmest since: | 1932 | ||||
| Jun 1989– 9-Month | 52.1°F (11.2°C) | 51.8°F (11.0°C) | 0.3°F | 67th Coolest | Coolest since: | 1977 |
| 64th Warmest | Warmest since: | 1932 | ||||
| Ties: 1907, 1948, 1960 | ||||||
| May 1989– 10-Month | 52.8°F (11.6°C) | 52.8°F (11.6°C) | 0.0°F | 54th Coolest | Coolest since: | 1918 |
| 77th Warmest | Warmest since: | 1932 | ||||
| Ties: 1896 | ||||||
| Apr 1989– 11-Month | 52.7°F (11.5°C) | 52.7°F (11.5°C) | 0.0°F | 53rd Coolest | Coolest since: | 1918 |
| 78th Warmest | Warmest since: | 1932 | ||||
| Ties: 1938 | ||||||
| Mar 1989– 12-Month | 51.6°F (10.9°C) | 51.6°F (10.9°C) | 0.0°F | 55th Coolest | Coolest since: | 1918 |
| 76th Warmest | Warmest since: | 2017 | ||||
| Ties: 1896, 1900, 1941, 1971, 1984 | ||||||
| Sep 1988– 18-Month | 48.1°F (8.9°C) | 48.1°F (8.9°C) | 0.0°F | 56th Coolest | Coolest since: | 1905 |
| 74th Warmest | Warmest since: | 2017 | ||||
| Mar 1988– 24-Month | 52.2°F (11.2°C) | 51.6°F (10.9°C) | 0.6°F | 84th Coolest | Coolest since: | 1905 |
| 46th Warmest | Warmest since: | 2017 | ||||
| Mar 1987– 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 1986– 48-Month | 52.7°F (11.5°C) | 51.6°F (10.9°C) | 1.1°F | 104th Coolest | Coolest since: | 1905 |
| 24th Warmest | Warmest since: | 2025 | ||||
| Mar 1985– 60-Month | 52.5°F (11.4°C) | 51.6°F (10.9°C) | 0.9°F | 99th Coolest | Coolest since: | 1905 |
| 28th 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 27, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
