NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
March 1990 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| March 1990 1-Month | 44.6°F (7.0°C) | 39.8°F (4.3°C) | 4.8°F | 111th Coolest | Coolest since: | 1960 |
| 20th Warmest | Warmest since: | 2012 | ||||
| Feb– 2-Month | 40.1°F (4.5°C) | 34.5°F (1.4°C) | 5.6°F | 119th Coolest | Coolest since: | 1978 |
| 12th Warmest | Warmest since: | 2012 | ||||
| Jan– 3-Month | 38.8°F (3.8°C) | 31.4°F (-0.3°C) | 7.4°F | 129th Coolest | Coolest since: | 1912 |
| 2nd Warmest | Warmest to Date | 2012 | ||||
| Dec 1989– 4-Month | 33.6°F (0.9°C) | 31.0°F (-0.6°C) | 2.6°F | 103rd Coolest | Coolest since: | 1978 |
| 27th Warmest | Warmest since: | 2012 | ||||
| Nov 1989– 5-Month | 35.0°F (1.7°C) | 32.9°F (0.5°C) | 2.1°F | 100th Coolest | Coolest since: | 1912 |
| 30th Warmest | Warmest since: | 2012 | ||||
| Ties: 1907, 1931, 1938 | ||||||
| Oct 1989– 6-Month | 38.5°F (3.6°C) | 36.6°F (2.6°C) | 1.9°F | 102nd Coolest | Coolest since: | 1912, 1978 |
| 28th Warmest | Warmest since: | 2012 | ||||
| Sep 1989– 7-Month | 42.0°F (5.6°C) | 40.8°F (4.9°C) | 1.2°F | 91st Coolest | Coolest since: | 1977, 1978 |
| 39th Warmest | Warmest since: | 2017 | ||||
| Aug 1989– 8-Month | 45.9°F (7.7°C) | 44.9°F (7.2°C) | 1.0°F | 87th Coolest | Coolest since: | 1977 |
| 43rd Warmest | Warmest since: | 2017 | ||||
| Jul 1989– 9-Month | 49.2°F (9.6°C) | 48.3°F (9.1°C) | 0.9°F | 87th Coolest | Coolest since: | 1977 |
| 43rd Warmest | Warmest since: | 2012 | ||||
| Ties: 1909, 1949, 1950, 1957, 1972, 1989 | ||||||
| Jun 1989– 10-Month | 51.3°F (10.7°C) | 50.6°F (10.3°C) | 0.7°F | 79th Coolest | Coolest since: | 1904 |
| 51st Warmest | Warmest since: | 2012 | ||||
| May 1989– 11-Month | 52.1°F (11.2°C) | 51.7°F (10.9°C) | 0.4°F | 72nd Coolest | Coolest since: | 1918 |
| 58th Warmest | Warmest since: | 2012 | ||||
| Ties: 1915, 1933 | ||||||
| Apr 1989– 12-Month | 52.0°F (11.1°C) | 51.6°F (10.9°C) | 0.4°F | 69th Coolest | Coolest since: | 1918 |
| 61st Warmest | Warmest since: | 2012 | ||||
| Oct 1988– 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 1988– 24-Month | 52.4°F (11.3°C) | 51.6°F (10.9°C) | 0.8°F | 91st Coolest | Coolest since: | 1905 |
| 38th Warmest | Warmest since: | 2017 | ||||
| Apr 1987– 36-Month | 52.5°F (11.4°C) | 51.6°F (10.9°C) | 0.9°F | 97th Coolest | Coolest since: | 1979 |
| 31st Warmest | Warmest since: | 2018 | ||||
| Apr 1986– 48-Month | 52.7°F (11.5°C) | 51.6°F (10.9°C) | 1.1°F | 104th Coolest | Coolest since: | 1980 |
| 23rd Warmest | Warmest since: | 2019 | ||||
| Apr 1985– 60-Month | 52.5°F (11.4°C) | 51.6°F (10.9°C) | 0.9°F | 101st Coolest | Coolest since: | 1906 |
| 25th Warmest | Warmest since: | 2020 | ||||
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
