National Rankings
Contiguous U.S.
September 2021 Average Temperature Rankings
Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
---|---|---|---|---|---|---|
September 2021 1-Month | 67.78°F (19.88°C) | 64.84°F (18.24°C) | 2.94°F | 124th Coolest | Coolest since: | 1965 |
7th Warmest | Warmest since: | 1998 | ||||
Aug– 2-Month | 70.87°F (21.59°C) | 68.46°F (20.26°C) | 2.41°F | 125th Coolest | Coolest since: | 1974 |
6th Warmest | Warmest since: | 1998 | ||||
Jul– 3-Month | 72.38°F (22.43°C) | 70.17°F (21.21°C) | 2.21°F | 124th Coolest | Coolest since: | 1950 |
7th Warmest | Warmest since: | 2022 | ||||
Jun– 4-Month | 72.43°F (22.46°C) | 69.74°F (20.97°C) | 2.69°F | 128th Coolest | Coolest since: | 1903 |
3rd Warmest | Warmest to Date | 2024 | ||||
May– 5-Month | 70.01°F (21.12°C) | 67.83°F (19.91°C) | 2.18°F | 125th Coolest | Coolest since: | 1907 |
6th Warmest | Warmest since: | 2018 | ||||
Apr– 6-Month | 66.98°F (19.43°C) | 65.03°F (18.35°C) | 1.95°F | 124th Coolest | Coolest since: | 1907 |
7th Warmest | Warmest since: | 2024 | ||||
Mar– 7-Month | 63.92°F (17.73°C) | 61.67°F (16.48°C) | 2.25°F | 127th Coolest | Coolest since: | 1912 |
4th Warmest | Warmest since: | 2012 | ||||
Feb– 8-Month | 59.75°F (15.42°C) | 58.19°F (14.55°C) | 1.56°F | 114th Coolest | Coolest since: | 1917 |
17th Warmest | Warmest since: | 2012 | ||||
Jan– 9-Month | 56.96°F (13.87°C) | 55.07°F (12.82°C) | 1.89°F | 120th Coolest | Coolest since: | 1912 |
11th Warmest | Warmest since: | 2012 | ||||
Dec 2020– 10-Month | 54.83°F (12.68°C) | 52.84°F (11.58°C) | 1.99°F | 118th Coolest | Coolest since: | 1917 |
12th Warmest | Warmest since: | 2012 | ||||
Nov 2020– 11-Month | 54.06°F (12.26°C) | 51.83°F (11.02°C) | 2.23°F | 122nd Coolest | Coolest since: | 1912 |
8th Warmest | Warmest since: | 2012 | ||||
Oct 2020– 12-Month | 54.08°F (12.27°C) | 52.02°F (11.12°C) | 2.06°F | 121st Coolest | Coolest since: | 1912 |
9th Warmest | Warmest since: | 2012, 2024 | ||||
Apr 2020– 18-Month | 58.17°F (14.54°C) | 56.35°F (13.53°C) | 1.82°F | 122nd Coolest | Coolest since: | 1917 |
8th Warmest | Warmest since: | 2024 | ||||
Oct 2019– 24-Month | 53.94°F (12.19°C) | 52.01°F (11.12°C) | 1.93°F | 119th Coolest | Coolest since: | 1918 |
10th Warmest | Warmest since: | 2017 | ||||
Oct 2018– 36-Month | 53.50°F (11.94°C) | 51.99°F (11.11°C) | 1.51°F | 113th Coolest | Coolest since: | 1917 |
15th Warmest | Warmest since: | 2018 | ||||
Oct 2017– 48-Month | 53.62°F (12.01°C) | 51.98°F (11.10°C) | 1.64°F | 117th Coolest | Coolest since: | 1918 |
10th Warmest | Warmest since: | 2018 | ||||
Oct 2016– 60-Month | 53.87°F (12.15°C) | 51.97°F (11.09°C) | 1.90°F | 121st 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 June 2025, retrieved on July 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings