NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
December 1925 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 1925 1-Month | 26.0°F (-3.3°C) | 29.4°F (-1.4°C) | -3.4°F | 26th Coolest | Coolest since: | 1983 |
| 105th Warmest | Warmest since: | 2015 | ||||
| Nov– 2-Month | 32.0°F (0.0°C) | 35.1°F (1.7°C) | -3.1°F | 22nd Coolest | Coolest since: | 1950 |
| 109th Warmest | Warmest since: | 2015 | ||||
| Oct– 3-Month | 36.3°F (2.4°C) | 41.6°F (5.3°C) | -5.3°F | 3rd Coolest | Coolest since: | 1976 |
| 128th Warmest | Warmest since: | 1931 | ||||
| Sep– 4-Month | 45.3°F (7.4°C) | 47.8°F (8.8°C) | -2.5°F | 10th Coolest | Coolest since: | 1976 |
| 121st Warmest | Warmest since: | 1931 | ||||
| Aug– 5-Month | 50.9°F (10.5°C) | 52.9°F (11.6°C) | -2.0°F | 8th Coolest | Coolest since: | 1976 |
| 123rd Warmest | Warmest since: | 1931 | ||||
| Jul– 6-Month | 55.0°F (12.8°C) | 56.7°F (13.7°C) | -1.7°F | 11th Coolest | Coolest since: | 1976 |
| 120th Warmest | Warmest since: | 1931 | ||||
| Jun– 7-Month | 57.7°F (14.3°C) | 58.8°F (14.9°C) | -1.1°F | 26th Coolest | Coolest since: | 1917 |
| 105th Warmest | Warmest since: | 1931 | ||||
| May– 8-Month | 57.8°F (14.3°C) | 59.2°F (15.1°C) | -1.4°F | 17th Coolest | Coolest since: | 1917 |
| 114th Warmest | Warmest since: | 1931 | ||||
| Apr– 9-Month | 57.7°F (14.3°C) | 58.3°F (14.6°C) | -0.6°F | 32nd Coolest | Coolest since: | 1917 |
| 99th Warmest | Warmest since: | 1931 | ||||
| Mar– 10-Month | 56.2°F (13.4°C) | 56.5°F (13.6°C) | -0.3°F | 44th Coolest | Coolest since: | 1917 |
| 87th Warmest | Warmest since: | 2012 | ||||
| Feb– 11-Month | 54.2°F (12.3°C) | 54.0°F (12.2°C) | 0.2°F | 68th Coolest | Coolest since: | 1917 |
| 63rd Warmest | Warmest since: | 2024 | ||||
| Jan– 12-Month | 51.8°F (11.0°C) | 51.6°F (10.9°C) | 0.2°F | 67th Coolest | Coolest since: | 1917 |
| 64th Warmest | Warmest since: | 2012 | ||||
| Jul 1924– 18-Month | 52.8°F (11.6°C) | 53.3°F (11.8°C) | -0.5°F | 36th Coolest | Coolest since: | 1904 |
| 94th Warmest | Warmest since: | 2012 | ||||
| Jan 1924– 24-Month | 50.5°F (10.3°C) | 51.6°F (10.9°C) | -1.1°F | 10th Coolest | Coolest since: | 1904, 1979 |
| 120th Warmest | Warmest since: | 2024 | ||||
| Jan 1923– 36-Month | 50.9°F (10.5°C) | 51.6°F (10.9°C) | -0.7°F | 20th Coolest | Coolest since: | 1905 |
| 109th Warmest | Warmest since: | 2024 | ||||
| Jan 1922– 48-Month | 51.4°F (10.8°C) | 51.6°F (10.9°C) | -0.2°F | 41st Coolest | Coolest since: | 1905 |
| 87th Warmest | Warmest since: | 2024 | ||||
| Jan 1921– 60-Month | 52.1°F (11.2°C) | 51.6°F (10.9°C) | 0.5°F | 80th Coolest | Coolest since: | 1905 |
| 47th Warmest | Warmest since: | 2024 |
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
