NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
March 1978 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| March 1978 1-Month | 33.6°F (0.9°C) | 39.8°F (4.3°C) | -6.2°F | 10th Coolest | Coolest since: | 1960 |
| 121st Warmest | Warmest since: | 2012 | ||||
| Feb– 2-Month | 25.3°F (-3.7°C) | 34.5°F (1.4°C) | -9.2°F | 1st Coolest | Coolest to Date | 1978 |
| 130th Warmest | Warmest since: | 2012 | ||||
| Jan– 3-Month | 22.1°F (-5.5°C) | 31.4°F (-0.3°C) | -9.3°F | 2nd Coolest | Coolest since: | 1912 |
| 129th Warmest | Warmest since: | 2012 | ||||
| Dec 1977– 4-Month | 23.1°F (-4.9°C) | 31.0°F (-0.6°C) | -7.9°F | 1st Coolest | Coolest to Date | 1978 |
| 129th Warmest | Warmest since: | 2012 | ||||
| Nov 1977– 5-Month | 26.8°F (-2.9°C) | 32.9°F (0.5°C) | -6.1°F | 2nd Coolest | Coolest since: | 1912 |
| 128th Warmest | Warmest since: | 2012 | ||||
| Oct 1977– 6-Month | 31.0°F (-0.6°C) | 36.6°F (2.6°C) | -5.6°F | 1st Coolest | Coolest since: | 1912, 1978 |
| 129th Warmest | Warmest since: | 2012 | ||||
| Ties: 1912 | ||||||
| Sep 1977– 7-Month | 36.2°F (2.3°C) | 40.8°F (4.9°C) | -4.6°F | 1st Coolest | Coolest since: | 1977, 1978 |
| 129th Warmest | Warmest since: | 2017 | ||||
| Ties: 1977 | ||||||
| Aug 1977– 8-Month | 40.7°F (4.8°C) | 44.9°F (7.2°C) | -4.2°F | 2nd Coolest | Coolest since: | 1977 |
| 128th Warmest | Warmest since: | 2017 | ||||
| Jul 1977– 9-Month | 44.8°F (7.1°C) | 48.3°F (9.1°C) | -3.5°F | 2nd Coolest | Coolest since: | 1977 |
| 128th Warmest | Warmest since: | 2012 | ||||
| Ties: 1912, 1918 | ||||||
| Jun 1977– 10-Month | 47.4°F (8.6°C) | 50.6°F (10.3°C) | -3.2°F | 4th Coolest | Coolest since: | 1904 |
| 126th Warmest | Warmest since: | 2012 | ||||
| May 1977– 11-Month | 49.3°F (9.6°C) | 51.7°F (10.9°C) | -2.4°F | 6th Coolest | Coolest since: | 1918 |
| 124th Warmest | Warmest since: | 2012 | ||||
| Apr 1977– 12-Month | 50.0°F (10.0°C) | 51.6°F (10.9°C) | -1.6°F | 13th Coolest | Coolest since: | 1918 |
| 117th Warmest | Warmest since: | 2012 | ||||
| Ties: 1908 | ||||||
| Oct 1976– 18-Month | 43.9°F (6.6°C) | 46.6°F (8.1°C) | -2.7°F | 4th Coolest | Coolest since: | 1905 |
| 125th Warmest | Warmest since: | 2017 | ||||
| Apr 1976– 24-Month | 49.3°F (9.6°C) | 51.6°F (10.9°C) | -2.3°F | 2nd Coolest | Coolest since: | 1905 |
| 127th Warmest | Warmest since: | 2017 | ||||
| Apr 1975– 36-Month | 50.5°F (10.3°C) | 51.6°F (10.9°C) | -1.1°F | 8th Coolest | Coolest since: | 1979 |
| 120th Warmest | Warmest since: | 2018 | ||||
| Ties: 1912, 1920 | ||||||
| Apr 1974– 48-Month | 50.7°F (10.4°C) | 51.6°F (10.9°C) | -0.9°F | 10th Coolest | Coolest since: | 1980 |
| 117th Warmest | Warmest since: | 2019 | ||||
| Apr 1973– 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 | ||||
| Ties: 1903, 1909, 1929, 1930, 1972 | ||||||
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
