NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
April 2021 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| April 2021 1-Month | 51.85°F (11.03°C) | 51.04°F (10.58°C) | 0.81°F | 84th Coolest | Coolest since: | 1920 |
| 48th Warmest | Warmest since: | 2006 | ||||
| Mar– 2-Month | 48.69°F (9.27°C) | 46.27°F (7.93°C) | 2.42°F | 114th Coolest | Coolest since: | 1975 |
| 18th Warmest | Warmest since: | 2012 | ||||
| Feb– 3-Month | 42.66°F (5.92°C) | 42.12°F (5.62°C) | 0.54°F | 77th Coolest | Coolest since: | 1899 |
| 55th Warmest | Warmest since: | 2012 | ||||
| Ties: 2003 | ||||||
| Jan– 4-Month | 40.64°F (4.80°C) | 39.12°F (3.96°C) | 1.52°F | 100th Coolest | Coolest since: | 1912 |
| 32nd Warmest | Warmest since: | 2012 | ||||
| Dec 2020– 5-Month | 39.66°F (4.26°C) | 37.84°F (3.24°C) | 1.82°F | 106th Coolest | Coolest since: | 1899, 1979 |
| 25th Warmest | Warmest since: | 2012 | ||||
| Nov 2020– 6-Month | 40.77°F (4.87°C) | 38.49°F (3.61°C) | 2.28°F | 117th Coolest | Coolest since: | 1899 |
| 14th Warmest | Warmest since: | 2012 | ||||
| Oct 2020– 7-Month | 42.70°F (5.94°C) | 40.72°F (4.84°C) | 1.98°F | 116th Coolest | Coolest since: | 1899 |
| 15th Warmest | Warmest since: | 2017 | ||||
| Sep 2020– 8-Month | 45.60°F (7.56°C) | 43.74°F (6.52°C) | 1.86°F | 115th Coolest | Coolest since: | 1899 |
| 16th Warmest | Warmest since: | 2016 | ||||
| Aug 2020– 9-Month | 48.83°F (9.35°C) | 46.88°F (8.27°C) | 1.95°F | 118th Coolest | Coolest since: | 1899 |
| 13th Warmest | Warmest since: | 2016 | ||||
| Jul 2020– 10-Month | 51.51°F (10.84°C) | 49.55°F (9.75°C) | 1.96°F | 120th Coolest | Coolest since: | 1899 |
| 11th Warmest | Warmest since: | 2012 | ||||
| Jun 2020– 11-Month | 53.21°F (11.78°C) | 51.27°F (10.71°C) | 1.94°F | 119th Coolest | Coolest since: | 1917 |
| 12th Warmest | Warmest since: | 2017 | ||||
| May 2020– 12-Month | 53.85°F (12.14°C) | 52.02°F (11.12°C) | 1.83°F | 120th Coolest | Coolest since: | 1917 |
| 11th Warmest | Warmest since: | 2017 | ||||
| Nov 2019– 18-Month | 49.58°F (9.77°C) | 47.50°F (8.61°C) | 2.08°F | 119th Coolest | Coolest since: | 1913, 1918 |
| 11th Warmest | Warmest since: | 2017 | ||||
| May 2019– 24-Month | 53.72°F (12.07°C) | 52.01°F (11.12°C) | 1.71°F | 117th Coolest | Coolest since: | 1918 |
| 13th Warmest | Warmest since: | 2017 | ||||
| May 2018– 36-Month | 53.60°F (12.00°C) | 51.99°F (11.11°C) | 1.61°F | 117th Coolest | Coolest since: | 1918 |
| 12th Warmest | Warmest since: | 2025 | ||||
| May 2017– 48-Month | 53.52°F (11.96°C) | 51.98°F (11.10°C) | 1.54°F | 117th Coolest | Coolest since: | 1918 |
| 11th Warmest | Warmest since: | 2025 | ||||
| Ties: 2016 | ||||||
| May 2016– 60-Month | 53.83°F (12.13°C) | 51.97°F (11.09°C) | 1.86°F | 122nd Coolest | Coolest since: | 1920 |
| 5th Warmest | Warmest since: | 2025 | ||||
| Ties: 2017 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published June 2025, retrieved on June 17, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings
