NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
March 2020 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| March 2020 1-Month | 44.4°F (6.9°C) | 39.8°F (4.3°C) | 4.6°F | 109th Coolest | Coolest since: | 1960 |
| 22nd Warmest | Warmest since: | 2012 | ||||
| Ties: 1905, 1987 | ||||||
| Feb– 2-Month | 38.2°F (3.4°C) | 34.5°F (1.4°C) | 3.7°F | 108th Coolest | Coolest since: | 1978 |
| 23rd Warmest | Warmest since: | 2012 | ||||
| Jan– 3-Month | 36.0°F (2.2°C) | 31.4°F (-0.3°C) | 4.6°F | 118th Coolest | Coolest since: | 1912 |
| 13th Warmest | Warmest since: | 2012 | ||||
| Ties: 2016 | ||||||
| Dec 2019– 4-Month | 35.9°F (2.2°C) | 31.0°F (-0.6°C) | 4.9°F | 122nd Coolest | Coolest since: | 1978 |
| 8th Warmest | Warmest since: | 2012 | ||||
| Ties: 2000 | ||||||
| Nov 2019– 5-Month | 36.0°F (2.2°C) | 32.9°F (0.5°C) | 3.1°F | 110th Coolest | Coolest since: | 1912 |
| 20th Warmest | Warmest since: | 2012 | ||||
| Oct 2019– 6-Month | 38.9°F (3.8°C) | 36.6°F (2.6°C) | 2.3°F | 107th Coolest | Coolest since: | 1912, 1978 |
| 23rd Warmest | Warmest since: | 2012 | ||||
| Ties: 2004 | ||||||
| Sep 2019– 7-Month | 43.6°F (6.4°C) | 40.8°F (4.9°C) | 2.8°F | 119th Coolest | Coolest since: | 1977, 1978 |
| 11th Warmest | Warmest since: | 2017 | ||||
| Aug 2019– 8-Month | 47.3°F (8.5°C) | 44.9°F (7.2°C) | 2.4°F | 116th Coolest | Coolest since: | 1977 |
| 14th Warmest | Warmest since: | 2017 | ||||
| Ties: 1954, 1992 | ||||||
| Jul 2019– 9-Month | 50.6°F (10.3°C) | 48.3°F (9.1°C) | 2.3°F | 118th Coolest | Coolest since: | 1977 |
| 12th Warmest | Warmest since: | 2012 | ||||
| Jun 2019– 10-Month | 52.6°F (11.4°C) | 50.6°F (10.3°C) | 2.0°F | 114th Coolest | Coolest since: | 1904 |
| 16th Warmest | Warmest since: | 2012 | ||||
| Ties: 1939 | ||||||
| May 2019– 11-Month | 53.5°F (11.9°C) | 51.7°F (10.9°C) | 1.8°F | 113th Coolest | Coolest since: | 1918 |
| 17th Warmest | Warmest since: | 2012 | ||||
| Ties: 1976 | ||||||
| Apr 2019– 12-Month | 53.4°F (11.9°C) | 51.6°F (10.9°C) | 1.8°F | 114th Coolest | Coolest since: | 1918 |
| 16th Warmest | Warmest since: | 2012 | ||||
| Ties: 1922, 1939, 1987 | ||||||
| Oct 2018– 18-Month | 47.6°F (8.7°C) | 46.6°F (8.1°C) | 1.0°F | 98th Coolest | Coolest since: | 1905 |
| 31st Warmest | Warmest since: | 2017 | ||||
| Ties: 1976 | ||||||
| Apr 2018– 24-Month | 52.8°F (11.6°C) | 51.6°F (10.9°C) | 1.2°F | 105th Coolest | Coolest since: | 1905 |
| 24th Warmest | Warmest since: | 2017 | ||||
| Ties: 1939, 1956 | ||||||
| Apr 2017– 36-Month | 52.8°F (11.6°C) | 51.6°F (10.9°C) | 1.2°F | 103rd Coolest | Coolest since: | 1979 |
| 25th Warmest | Warmest since: | 2018 | ||||
| Ties: 1939 | ||||||
| Apr 2016– 48-Month | 53.4°F (11.9°C) | 51.6°F (10.9°C) | 1.8°F | 123rd Coolest | Coolest since: | 1980 |
| 4th Warmest | Warmest since: | 2019 | ||||
| Ties: 2002 | ||||||
| Apr 2015– 60-Month | 53.7°F (12.1°C) | 51.6°F (10.9°C) | 2.1°F | 125th Coolest | Coolest since: | 1906 |
| 1st 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
