NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
March 1930 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| March 1930 1-Month | 38.8°F (3.8°C) | 39.8°F (4.3°C) | -1.0°F | 51st Coolest | Coolest since: | 1960 |
| 80th Warmest | Warmest since: | 2012 | ||||
| Feb– 2-Month | 38.7°F (3.7°C) | 34.5°F (1.4°C) | 4.2°F | 112th Coolest | Coolest since: | 1978 |
| 19th Warmest | Warmest since: | 2012 | ||||
| Jan– 3-Month | 32.1°F (0.1°C) | 31.4°F (-0.3°C) | 0.7°F | 71st Coolest | Coolest since: | 1912 |
| 60th Warmest | Warmest since: | 2012 | ||||
| Dec 1929– 4-Month | 31.4°F (-0.3°C) | 31.0°F (-0.6°C) | 0.4°F | 65th Coolest | Coolest since: | 1978 |
| 65th Warmest | Warmest since: | 2012 | ||||
| Nov 1929– 5-Month | 32.3°F (0.2°C) | 32.9°F (0.5°C) | -0.6°F | 43rd Coolest | Coolest since: | 1912 |
| 87th Warmest | Warmest since: | 2012 | ||||
| Oct 1929– 6-Month | 35.7°F (2.1°C) | 36.6°F (2.6°C) | -0.9°F | 34th Coolest | Coolest since: | 1912, 1978 |
| 96th Warmest | Warmest since: | 2012 | ||||
| Ties: 1915 | ||||||
| Sep 1929– 7-Month | 39.9°F (4.4°C) | 40.8°F (4.9°C) | -0.9°F | 33rd Coolest | Coolest since: | 1977, 1978 |
| 97th Warmest | Warmest since: | 2017 | ||||
| Aug 1929– 8-Month | 43.8°F (6.6°C) | 44.9°F (7.2°C) | -1.1°F | 27th Coolest | Coolest since: | 1977 |
| 103rd Warmest | Warmest since: | 2017 | ||||
| Jul 1929– 9-Month | 47.3°F (8.5°C) | 48.3°F (9.1°C) | -1.0°F | 29th Coolest | Coolest since: | 1977 |
| 101st Warmest | Warmest since: | 2012 | ||||
| Jun 1929– 10-Month | 49.5°F (9.7°C) | 50.6°F (10.3°C) | -1.1°F | 23rd Coolest | Coolest since: | 1904 |
| 107th Warmest | Warmest since: | 2012 | ||||
| May 1929– 11-Month | 50.3°F (10.2°C) | 51.7°F (10.9°C) | -1.4°F | 18th Coolest | Coolest since: | 1918 |
| 112th Warmest | Warmest since: | 2012 | ||||
| Ties: 1916 | ||||||
| Apr 1929– 12-Month | 50.6°F (10.3°C) | 51.6°F (10.9°C) | -1.0°F | 20th Coolest | Coolest since: | 1918 |
| 110th Warmest | Warmest since: | 2012 | ||||
| Oct 1928– 18-Month | 45.9°F (7.7°C) | 46.6°F (8.1°C) | -0.7°F | 32nd Coolest | Coolest since: | 1905 |
| 97th Warmest | Warmest since: | 2017 | ||||
| Apr 1928– 24-Month | 50.5°F (10.3°C) | 51.6°F (10.9°C) | -1.1°F | 17th Coolest | Coolest since: | 1905 |
| 112th Warmest | Warmest since: | 2017 | ||||
| Ties: 1913 | ||||||
| Apr 1927– 36-Month | 50.9°F (10.5°C) | 51.6°F (10.9°C) | -0.7°F | 18th Coolest | Coolest since: | 1979 |
| 110th Warmest | Warmest since: | 2018 | ||||
| Apr 1926– 48-Month | 51.0°F (10.6°C) | 51.6°F (10.9°C) | -0.6°F | 20th Coolest | Coolest since: | 1980 |
| 107th Warmest | Warmest since: | 2019 | ||||
| Apr 1925– 60-Month | 51.0°F (10.6°C) | 51.6°F (10.9°C) | -0.6°F | 18th Coolest | Coolest since: | 1906 |
| 108th 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
