NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
April 2024 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| April 2024 1-Month | 54.7°F (12.6°C) | 51.5°F (10.8°C) | 3.2°F | 111th Coolest | Coolest since: | 1907 |
| 20th Warmest | Warmest since: | 2010 | ||||
| Ties: 1946 | ||||||
| Mar– 2-Month | 50.8°F (10.4°C) | 45.7°F (7.6°C) | 5.1°F | 123rd Coolest | Coolest since: | 1926 |
| 8th Warmest | Warmest since: | 2012 | ||||
| Feb– 3-Month | 47.4°F (8.6°C) | 40.2°F (4.6°C) | 7.2°F | 129th Coolest | Coolest since: | 1978 |
| 2nd Warmest | Warmest since: | 2012 | ||||
| Jan– 4-Month | 42.2°F (5.7°C) | 36.5°F (2.5°C) | 5.7°F | 127th Coolest | Coolest since: | 1912 |
| 4th Warmest | Warmest since: | 2012 | ||||
| Dec 2023– 5-Month | 41.7°F (5.4°C) | 35.1°F (1.7°C) | 6.6°F | 128th Coolest | Coolest since: | 1978 |
| 2nd Warmest | Warmest since: | 2012 | ||||
| Nov 2023– 6-Month | 41.9°F (5.5°C) | 36.0°F (2.2°C) | 5.9°F | 128th Coolest | Coolest since: | 1904 |
| 2nd Warmest | Warmest since: | 2012 | ||||
| Oct 2023– 7-Month | 44.0°F (6.7°C) | 38.7°F (3.7°C) | 5.3°F | 127th Coolest | Coolest since: | 1904 |
| 3rd Warmest | Warmest since: | 2012 | ||||
| Sep 2023– 8-Month | 47.0°F (8.3°C) | 42.1°F (5.6°C) | 4.9°F | 127th Coolest | Coolest since: | 1904 |
| 3rd Warmest | Warmest since: | 2017 | ||||
| Aug 2023– 9-Month | 50.0°F (10.0°C) | 45.6°F (7.6°C) | 4.4°F | 127th Coolest | Coolest since: | 1904 |
| 3rd Warmest | Warmest since: | 2017 | ||||
| Jul 2023– 10-Month | 52.5°F (11.4°C) | 48.6°F (9.2°C) | 3.9°F | 127th Coolest | Coolest since: | 1904 |
| 3rd Warmest | Warmest since: | 2012 | ||||
| Ties: 1932 | ||||||
| Jun 2023– 11-Month | 54.2°F (12.3°C) | 50.7°F (10.4°C) | 3.5°F | 126th Coolest | Coolest since: | 1904 |
| 4th Warmest | Warmest since: | 2017 | ||||
| May 2023– 12-Month | 55.1°F (12.8°C) | 51.6°F (10.9°C) | 3.5°F | 127th Coolest | Coolest since: | 1918 |
| 3rd Warmest | Warmest since: | 2012, 2017 | ||||
| Nov 2022– 18-Month | 49.9°F (9.9°C) | 46.4°F (8.0°C) | 3.5°F | 127th Coolest | Coolest since: | 1905 |
| 2nd Warmest | Warmest since: | 2017 | ||||
| May 2022– 24-Month | 54.5°F (12.5°C) | 51.6°F (10.9°C) | 2.9°F | 127th Coolest | Coolest since: | 1905 |
| 2nd Warmest | Warmest since: | 2017 | ||||
| May 2021– 36-Month | 54.1°F (12.3°C) | 51.6°F (10.9°C) | 2.5°F | 127th Coolest | Coolest since: | 1979 |
| 1st Warmest | Warmest since: | 2018, 2024 | ||||
| Ties: 2018 | ||||||
| May 2020– 48-Month | 53.7°F (12.1°C) | 51.6°F (10.9°C) | 2.1°F | 125th Coolest | Coolest since: | 1980 |
| 2nd Warmest | Warmest since: | 2019 | ||||
| May 2019– 60-Month | 53.6°F (12.0°C) | 51.6°F (10.9°C) | 2.0°F | 125th Coolest | Coolest since: | 1906 |
| 1st Warmest | Warmest since: | 2020, 2024 | ||||
| Ties: 2020 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on April 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
