NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
February 1981 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| February 1981 1-Month | 31.3°F (-0.4°C) | 29.2°F (-1.6°C) | 2.1°F | 88th Coolest | Coolest since: | 1978 |
| 44th Warmest | Warmest since: | 2017 | ||||
| Jan– 2-Month | 28.3°F (-2.1°C) | 27.3°F (-2.6°C) | 1.0°F | 75th Coolest | Coolest since: | 1979 |
| 57th Warmest | Warmest since: | 2017 | ||||
| Dec 1980– 3-Month | 29.1°F (-1.6°C) | 28.0°F (-2.2°C) | 1.1°F | 74th Coolest | Coolest since: | 1978 |
| 57th Warmest | Warmest since: | 1932 | ||||
| Nov 1980– 4-Month | 32.2°F (0.1°C) | 31.2°F (-0.4°C) | 1.0°F | 81st Coolest | Coolest since: | 1977 |
| 50th Warmest | Warmest since: | 1932 | ||||
| Oct 1980– 5-Month | 36.0°F (2.2°C) | 35.9°F (2.2°C) | 0.1°F | 59th Coolest | Coolest since: | 1977 |
| 72nd Warmest | Warmest since: | 1932 | ||||
| Ties: 1901, 1911, 1915, 1924, 1967 | ||||||
| Sep 1980– 6-Month | 41.3°F (5.2°C) | 41.0°F (5.0°C) | 0.3°F | 71st Coolest | Coolest since: | 1977 |
| 60th Warmest | Warmest since: | 1932 | ||||
| Aug 1980– 7-Month | 46.4°F (8.0°C) | 45.6°F (7.6°C) | 0.8°F | 80th Coolest | Coolest since: | 1977 |
| 51st Warmest | Warmest since: | 1932 | ||||
| Jul 1980– 8-Month | 50.5°F (10.3°C) | 49.4°F (9.7°C) | 1.1°F | 95th Coolest | Coolest since: | 1977 |
| 36th Warmest | Warmest since: | 1932 | ||||
| Jun 1980– 9-Month | 52.7°F (11.5°C) | 51.8°F (11.0°C) | 0.9°F | 88th Coolest | Coolest since: | 1977 |
| 43rd Warmest | Warmest since: | 1932 | ||||
| May 1980– 10-Month | 53.7°F (12.1°C) | 52.8°F (11.6°C) | 0.9°F | 86th Coolest | Coolest since: | 1918 |
| 45th Warmest | Warmest since: | 1932 | ||||
| Ties: 1909 | ||||||
| Apr 1980– 11-Month | 53.4°F (11.9°C) | 52.7°F (11.5°C) | 0.7°F | 82nd Coolest | Coolest since: | 1918 |
| 49th Warmest | Warmest since: | 1932 | ||||
| Ties: 1897, 1907, 1921, 1960, 1965, 1974 | ||||||
| Mar 1980– 12-Month | 51.9°F (11.1°C) | 51.6°F (10.9°C) | 0.3°F | 71st Coolest | Coolest since: | 1918 |
| 60th Warmest | Warmest since: | 2017 | ||||
| Ties: 1901, 1911, 1926 | ||||||
| Sep 1979– 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 1979– 24-Month | 51.4°F (10.8°C) | 51.6°F (10.9°C) | -0.2°F | 47th Coolest | Coolest since: | 1905 |
| 83rd Warmest | Warmest since: | 2017 | ||||
| Ties: 1936, 1945, 1946, 1961 | ||||||
| Mar 1978– 36-Month | 50.7°F (10.4°C) | 51.6°F (10.9°C) | -0.9°F | 12th Coolest | Coolest since: | 1979 |
| 117th Warmest | Warmest since: | 2013, 2018 | ||||
| Ties: 1907, 1929 | ||||||
| Mar 1977– 48-Month | 50.8°F (10.4°C) | 51.6°F (10.9°C) | -0.8°F | 14th Coolest | Coolest since: | 1905 |
| 114th Warmest | Warmest since: | 2025 | ||||
| Ties: 1913, 1930, 1963 | ||||||
| Mar 1976– 60-Month | 50.4°F (10.2°C) | 51.6°F (10.9°C) | -1.2°F | 4th Coolest | Coolest since: | 1905 |
| 123rd Warmest | Warmest since: | 2025 | ||||
| Ties: 1980 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on March 22, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
