Statewide Rankings
Illinois
February 1964 Average Temperature Rankings
Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
---|---|---|---|---|---|---|
February 1964 1-Month | 29.3°F (-1.5°C) | 29.2°F (-1.6°C) | 0.1°F | 66th Coolest | Coolest since: | 1978 |
66th Warmest | Warmest since: | 2017 | ||||
Jan– 2-Month | 29.8°F (-1.2°C) | 27.3°F (-2.6°C) | 2.5°F | 96th Coolest | Coolest since: | 1979 |
36th Warmest | Warmest since: | 2017 | ||||
Dec 1963– 3-Month | 25.8°F (-3.4°C) | 28°F (-2.2°C) | -2.2°F | 29th Coolest | Coolest since: | 1978 |
102nd Warmest | Warmest since: | 1932 | ||||
Nov 1963– 4-Month | 30.5°F (-0.8°C) | 31.2°F (-0.4°C) | -0.7°F | 39th Coolest | Coolest since: | 1977 |
92nd Warmest | Warmest since: | 1932 | ||||
Oct 1963– 5-Month | 37.1°F (2.8°C) | 35.9°F (2.2°C) | 1.2°F | 87th Coolest | Coolest since: | 1977 |
44th Warmest | Warmest since: | 1932 | ||||
Sep 1963– 6-Month | 41.9°F (5.5°C) | 41°F (5.0°C) | 0.9°F | 82nd Coolest | Coolest since: | 1977 |
49th Warmest | Warmest since: | 1932 | ||||
Aug 1963– 7-Month | 46.1°F (7.8°C) | 45.6°F (7.6°C) | 0.5°F | 74th Coolest | Coolest since: | 1977 |
57th Warmest | Warmest since: | 1932 | ||||
Jul 1963– 8-Month | 49.6°F (9.8°C) | 49.4°F (9.7°C) | 0.2°F | 63rd Coolest | Coolest since: | 1977 |
68th Warmest | Warmest since: | 1932 | ||||
Ties: 1933, 1944 | ||||||
Jun 1963– 9-Month | 52.2°F (11.2°C) | 51.8°F (11.0°C) | 0.4°F | 74th Coolest | Coolest since: | 1977 |
57th Warmest | Warmest since: | 1932 | ||||
May 1963– 10-Month | 53.1°F (11.7°C) | 52.8°F (11.6°C) | 0.3°F | 63rd Coolest | Coolest since: | 1918 |
68th Warmest | Warmest since: | 1932 | ||||
Apr 1963– 11-Month | 53.3°F (11.8°C) | 52.7°F (11.5°C) | 0.6°F | 75th Coolest | Coolest since: | 1918 |
56th Warmest | Warmest since: | 1932 | ||||
Mar 1963– 12-Month | 52.5°F (11.4°C) | 51.6°F (10.9°C) | 0.9°F | 89th Coolest | Coolest since: | 1918 |
42nd Warmest | Warmest since: | 2017 | ||||
Sep 1962– 18-Month | 47.5°F (8.6°C) | 48.1°F (8.9°C) | -0.6°F | 37th Coolest | Coolest since: | 1905 |
93rd Warmest | Warmest since: | 2017 | ||||
Ties: 1899, 1911, 1962 | ||||||
Mar 1962– 24-Month | 51.2°F (10.7°C) | 51.6°F (10.9°C) | -0.4°F | 37th Coolest | Coolest since: | 1905 |
93rd Warmest | Warmest since: | 2017 | ||||
Mar 1961– 36-Month | 50.9°F (10.5°C) | 51.6°F (10.9°C) | -0.7°F | 18th Coolest | Coolest since: | 1979 |
111th Warmest | Warmest since: | 2013, 2018 | ||||
Mar 1960– 48-Month | 50.9°F (10.5°C) | 51.6°F (10.9°C) | -0.7°F | 18th Coolest | Coolest since: | 1905 |
110th Warmest | Warmest since: | 2025 | ||||
Mar 1959– 60-Month | 51.1°F (10.6°C) | 51.6°F (10.9°C) | -0.5°F | 24th Coolest | Coolest since: | 1905 |
103rd Warmest | Warmest since: | 2025 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published September 2025, retrieved on September 18, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings