NOAA's National Centers for Environmental Information
Statewide Rankings
Delaware
December 2020 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 2020 1-Month | 39.7°F (4.3°C) | 36.2°F (2.3°C) | 3.5°F | 102nd Coolest | Coolest since: | 1989 |
| 29th Warmest | Warmest since: | 2015 | ||||
| Nov– 2-Month | 45.8°F (7.7°C) | 41.0°F (5.0°C) | 4.8°F | 122nd Coolest | Coolest since: | 1917 |
| 9th Warmest | Warmest since: | 2015 | ||||
| Ties: 1990 | ||||||
| Oct– 3-Month | 50.5°F (10.3°C) | 46.1°F (7.8°C) | 4.4°F | 125th Coolest | Coolest since: | 1917 |
| 6th Warmest | Warmest since: | 2015 | ||||
| Ties: 2011 | ||||||
| Sep– 4-Month | 55.1°F (12.8°C) | 51.4°F (10.8°C) | 3.7°F | 125th Coolest | Coolest since: | 1917 |
| 6th Warmest | Warmest since: | 2015 | ||||
| Ties: 2016 | ||||||
| Aug– 5-Month | 59.5°F (15.3°C) | 55.9°F (13.3°C) | 3.6°F | 125th Coolest | Coolest since: | 1917 |
| 6th Warmest | Warmest since: | 2015 | ||||
| Ties: 2011 | ||||||
| Jul– 6-Month | 63.0°F (17.2°C) | 59.2°F (15.1°C) | 3.8°F | 128th Coolest | Coolest since: | 1917 |
| 3rd Warmest | Warmest since: | 2015 | ||||
| Ties: 2011 | ||||||
| Jun– 7-Month | 64.5°F (18.1°C) | 60.8°F (16.0°C) | 3.7°F | 128th Coolest | Coolest since: | 1917 |
| 3rd Warmest | Warmest since: | 2015 | ||||
| May– 8-Month | 64.1°F (17.8°C) | 61.0°F (16.1°C) | 3.1°F | 124th Coolest | Coolest since: | 1917 |
| 7th Warmest | Warmest since: | 2015 | ||||
| Ties: 2016 | ||||||
| Apr– 9-Month | 62.7°F (17.1°C) | 60.0°F (15.6°C) | 2.7°F | 122nd Coolest | Coolest since: | 1917 |
| 9th Warmest | Warmest since: | 2015 | ||||
| Ties: 2006, 2017 | ||||||
| Mar– 10-Month | 61.4°F (16.3°C) | 58.3°F (14.6°C) | 3.1°F | 123rd Coolest | Coolest since: | 1917 |
| 8th Warmest | Warmest since: | 2012 | ||||
| Feb– 11-Month | 59.6°F (15.3°C) | 56.1°F (13.4°C) | 3.5°F | 128th Coolest | Coolest since: | 1917 |
| 3rd Warmest | Warmest since: | 2012 | ||||
| Jan– 12-Month | 58.0°F (14.4°C) | 54.2°F (12.3°C) | 3.8°F | 129th Coolest | Coolest since: | 1904 |
| 2nd Warmest | Warmest since: | 2012 | ||||
| Jul 2019– 18-Month | 59.4°F (15.2°C) | 55.9°F (13.3°C) | 3.5°F | 126th Coolest | Coolest since: | 1904 |
| 4th Warmest | Warmest since: | 2012 | ||||
| Jan 2019– 24-Month | 57.7°F (14.3°C) | 54.2°F (12.3°C) | 3.5°F | 128th Coolest | Coolest since: | 1905 |
| 2nd Warmest | Warmest since: | 2012 | ||||
| Jan 2018– 36-Month | 57.5°F (14.2°C) | 54.2°F (12.3°C) | 3.3°F | 127th Coolest | Coolest since: | 1905 |
| 2nd Warmest | Warmest since: | 2021 | ||||
| Ties: 2012 | ||||||
| Jan 2017– 48-Month | 57.6°F (14.2°C) | 54.2°F (12.3°C) | 3.4°F | 127th Coolest | Coolest since: | 1907 |
| 1st Warmest | Warmest to Date | 2020 | ||||
| Jan 2016– 60-Month | 57.5°F (14.2°C) | 54.2°F (12.3°C) | 3.3°F | 126th Coolest | Coolest since: | 1905 |
| 1st Warmest | Warmest to Date | 2020, 2021 | ||||
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
