NOAA's National Centers for Environmental Information
National Rankings
Contiguous U.S.
December 2021 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 2021 1-Month | 39.34°F (4.08°C) | 32.68°F (0.38°C) | 6.66°F | 129th Coolest | Coolest since: | 1983 |
| 2nd Warmest | Warmest to Date | 2023 | ||||
| Nov– 2-Month | 42.21°F (5.67°C) | 37.19°F (2.88°C) | 5.02°F | 130th Coolest | Coolest since: | 2000 |
| 1st Warmest | Warmest to Date | 2021 | ||||
| Oct– 3-Month | 47.12°F (8.40°C) | 42.82°F (6.01°C) | 4.30°F | 129th Coolest | Coolest since: | 1898 |
| 2nd Warmest | Warmest to Date | 2024 | ||||
| Sep– 4-Month | 52.29°F (11.27°C) | 48.33°F (9.07°C) | 3.96°F | 129th Coolest | Coolest since: | 1976 |
| 2nd Warmest | Warmest to Date | 2024 | ||||
| Aug– 5-Month | 56.62°F (13.68°C) | 53.08°F (11.71°C) | 3.54°F | 129th Coolest | Coolest since: | 1976 |
| 2nd Warmest | Warmest to Date | 2024 | ||||
| Jul– 6-Month | 59.75°F (15.42°C) | 56.50°F (13.61°C) | 3.25°F | 129th Coolest | Coolest since: | 1976 |
| 2nd Warmest | Warmest to Date | 2024 | ||||
| Jun– 7-Month | 61.58°F (16.43°C) | 58.21°F (14.56°C) | 3.37°F | 129th Coolest | Coolest since: | 1976 |
| 2nd Warmest | Warmest to Date | 2024 | ||||
| May– 8-Month | 61.43°F (16.35°C) | 58.45°F (14.69°C) | 2.98°F | 129th Coolest | Coolest since: | 1976 |
| 2nd Warmest | Warmest to Date | 2024 | ||||
| Apr– 9-Month | 60.36°F (15.76°C) | 57.63°F (14.24°C) | 2.73°F | 129th Coolest | Coolest since: | 1917 |
| 2nd Warmest | Warmest to Date | 2024 | ||||
| Mar– 10-Month | 58.88°F (14.93°C) | 56.02°F (13.34°C) | 2.86°F | 128th Coolest | Coolest since: | 1917 |
| 3rd Warmest | Warmest since: | 2024 | ||||
| Feb– 11-Month | 56.31°F (13.51°C) | 54.00°F (12.22°C) | 2.31°F | 125th Coolest | Coolest since: | 1917 |
| 6th Warmest | Warmest since: | 2024 | ||||
| Jan– 12-Month | 54.50°F (12.50°C) | 52.01°F (11.12°C) | 2.49°F | 126th Coolest | Coolest since: | 1917 |
| 5th Warmest | Warmest since: | 2024 | ||||
| Jul 2020– 18-Month | 55.92°F (13.29°C) | 53.51°F (11.95°C) | 2.41°F | 125th Coolest | Coolest since: | 1917 |
| 5th Warmest | Warmest since: | 2024 | ||||
| Jan 2020– 24-Month | 54.43°F (12.46°C) | 52.01°F (11.12°C) | 2.42°F | 126th Coolest | Coolest since: | 1917 |
| 4th Warmest | Warmest since: | 2024 | ||||
| Jan 2019– 36-Month | 53.84°F (12.13°C) | 52.00°F (11.11°C) | 1.84°F | 122nd Coolest | Coolest since: | 1917 |
| 7th Warmest | Warmest since: | 2017 | ||||
| Ties: 2007 | ||||||
| Jan 2018– 48-Month | 53.76°F (12.09°C) | 51.98°F (11.10°C) | 1.78°F | 121st Coolest | Coolest since: | 1917, 1918 |
| 7th Warmest | Warmest since: | 2024 | ||||
| Jan 2017– 60-Month | 53.91°F (12.17°C) | 51.98°F (11.10°C) | 1.93°F | 122nd Coolest | Coolest since: | 1920 |
| 5th Warmest | Warmest since: | 2024 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2025, retrieved on June 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings
