NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
March 1900 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| March 1900 1-Month | 33.9°F (1.1°C) | 39.8°F (4.3°C) | -5.9°F | 11th Coolest | Coolest since: | 1960 |
| 120th Warmest | Warmest since: | 2012 | ||||
| Feb– 2-Month | 28.1°F (-2.2°C) | 34.5°F (1.4°C) | -6.4°F | 7th Coolest | Coolest since: | 1978 |
| 124th Warmest | Warmest since: | 2012 | ||||
| Jan– 3-Month | 28.7°F (-1.8°C) | 31.4°F (-0.3°C) | -2.7°F | 22nd Coolest | Coolest since: | 1912 |
| 109th Warmest | Warmest since: | 2012 | ||||
| Dec 1899– 4-Month | 28.4°F (-2.0°C) | 31.0°F (-0.6°C) | -2.6°F | 20th Coolest | Coolest since: | 1978 |
| 110th Warmest | Warmest since: | 2012 | ||||
| Nov 1899– 5-Month | 31.7°F (-0.2°C) | 32.9°F (0.5°C) | -1.2°F | 31st Coolest | Coolest since: | 1912 |
| 99th Warmest | Warmest since: | 2012 | ||||
| Oct 1899– 6-Month | 36.1°F (2.3°C) | 36.6°F (2.6°C) | -0.5°F | 43rd Coolest | Coolest since: | 1912, 1978 |
| 87th Warmest | Warmest since: | 2012 | ||||
| Sep 1899– 7-Month | 40.2°F (4.6°C) | 40.8°F (4.9°C) | -0.6°F | 44th Coolest | Coolest since: | 1977, 1978 |
| 86th Warmest | Warmest since: | 2017 | ||||
| Aug 1899– 8-Month | 44.6°F (7.0°C) | 44.9°F (7.2°C) | -0.3°F | 49th Coolest | Coolest since: | 1977 |
| 81st Warmest | Warmest since: | 2017 | ||||
| Jul 1899– 9-Month | 47.9°F (8.8°C) | 48.3°F (9.1°C) | -0.4°F | 45th Coolest | Coolest since: | 1977 |
| 85th Warmest | Warmest since: | 2012 | ||||
| Jun 1899– 10-Month | 50.4°F (10.2°C) | 50.6°F (10.3°C) | -0.2°F | 51st Coolest | Coolest since: | 1904 |
| 79th Warmest | Warmest since: | 2012 | ||||
| May 1899– 11-Month | 51.6°F (10.9°C) | 51.7°F (10.9°C) | -0.1°F | 58th Coolest | Coolest since: | 1918 |
| 72nd Warmest | Warmest since: | 2012 | ||||
| Apr 1899– 12-Month | 51.6°F (10.9°C) | 51.6°F (10.9°C) | 0.0°F | 59th Coolest | Coolest since: | 1918 |
| 71st Warmest | Warmest since: | 2012 | ||||
| Oct 1898– 18-Month | 45.0°F (7.2°C) | 46.6°F (8.1°C) | -1.6°F | 8th Coolest | Coolest to Date | 1905 |
| 121st Warmest | Warmest since: | 2017 | ||||
| Apr 1898– 24-Month | 50.4°F (10.2°C) | 51.6°F (10.9°C) | -1.2°F | 14th Coolest | Coolest to Date | 1905 |
| 115th Warmest | Warmest since: | 2017 | ||||
| Apr 1897– 36-Month | 51.0°F (10.6°C) | 51.6°F (10.9°C) | -0.6°F | 23rd Coolest | Coolest to Date | 1979 |
| 105th Warmest | Warmest since: | 2018 | ||||
| Apr 1896– 48-Month | 51.3°F (10.7°C) | 51.6°F (10.9°C) | -0.3°F | 36th Coolest | Coolest since: | 1980 |
| 91st Warmest | Warmest to Date | 2019 | ||||
| Apr 1895– 60-Month | 51.3°F (10.7°C) | 51.6°F (10.9°C) | -0.3°F | 34th Coolest | Coolest to Date | 1906 |
| 92nd Warmest | Warmest to Date | 2020 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on March 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
