NOAA's National Centers for Environmental Information
City Rankings
Washington (Dulles), District of Columbia
Average Temperature Rankings, December 1986
| Period | Value | 1991-2020 Mean | Anomaly | Rank (1960-2022) | Warmest/Coolest Since | Record |
|---|---|---|---|---|---|---|
| December 1986 1-Month | 37.2°F (2.9°C) | 38.2°F (3.4°C) | -1.0°F (-0.5°C) | 29th Coolest | Coolest since: | 1989 |
| 34th Warmest | Warmest since: | 2015 | ||||
| Nov– 2-Month | 40.4°F (4.7°C) | 42.3°F (5.7°C) | -1.9°F (-1.0°C) | 18th Coolest | Coolest since: | 1989 |
| 42nd Warmest | Warmest since: | 2015 | ||||
| Ties: 2014 | ||||||
| Oct– 3-Month | 46.0°F (7.8°C) | 47.2°F (8.4°C) | -1.2°F (-0.6°C) | 24th Coolest | Coolest since: | 1976 |
| 36th Warmest | Warmest since: | 2015 | ||||
| Ties: 1978 | ||||||
| Sep– 4-Month | 51.6°F (10.9°C) | 52.7°F (11.5°C) | -1.1°F (-0.6°C) | 24th Coolest | Coolest since: | 1976 |
| 36th Warmest | Warmest since: | 2015 | ||||
| Ties: 1987 | ||||||
| Aug– 5-Month | 55.9°F (13.3°C) | 57.4°F (14.1°C) | -1.5°F (-0.8°C) | 16th Coolest | Coolest since: | 1976 |
| 44th Warmest | Warmest since: | 2021 | ||||
| Ties: 1977, 1983, 1995 | ||||||
| Jul– 6-Month | 59.8°F (15.4°C) | 60.8°F (16.0°C) | -1.0°F (-0.6°C) | 24th Coolest | Coolest since: | 1976 |
| 36th Warmest | Warmest since: | 2021 | ||||
| Jun– 7-Month | 61.8°F (16.6°C) | 62.6°F (17.0°C) | -0.8°F (-0.4°C) | 26th Coolest | Coolest since: | 1976 |
| 34th Warmest | Warmest since: | 2021 | ||||
| Ties: 1975 | ||||||
| May– 8-Month | 62.1°F (16.7°C) | 62.8°F (17.1°C) | -0.7°F (-0.4°C) | 26th Coolest | Coolest since: | 1976 |
| 34th Warmest | Warmest since: | 2015 | ||||
| Ties: 1982, 2003 | ||||||
| Apr– 9-Month | 61.2°F (16.2°C) | 62.0°F (16.7°C) | -0.8°F (-0.5°C) | 30th Coolest | Coolest since: | 1976 |
| 30th Warmest | Warmest since: | 2015 | ||||
| Ties: 2003 | ||||||
| Mar– 10-Month | 59.6°F (15.3°C) | 60.2°F (15.7°C) | -0.6°F (-0.4°C) | 32nd Coolest | Coolest since: | 1976 |
| 28th Warmest | Warmest since: | 2021 | ||||
| Ties: 2003 | ||||||
| Feb– 11-Month | 57.1°F (13.9°C) | 58.1°F (14.5°C) | -1.0°F (-0.6°C) | 30th Coolest | Coolest since: | 1967 |
| 30th Warmest | Warmest since: | 2012 | ||||
| Ties: 2003 | ||||||
| Jan– 12-Month | 55.1°F (12.8°C) | 56.1°F (13.4°C) | -1.0°F (-0.6°C) | 32nd Coolest | Coolest since: | 1966 |
| 28th Warmest | Warmest since: | 2012 | ||||
| Ties: 1987, 1993 | ||||||
| Jul 1985– 18-Month | 57.0°F (13.9°C) | 57.7°F (14.3°C) | -0.7°F (-0.4°C) | 33rd Coolest | Coolest since: | 1967, 1977 |
| 25th Warmest | Warmest since: | 2012 | ||||
| Jan 1985– 24-Month | 55.5°F (13.1°C) | 56.1°F (13.4°C) | -0.6°F (-0.3°C) | 35th Coolest | Coolest since: | 1967 |
| 23rd Warmest | Warmest to Date | 2021 | ||||
| Ties: 1992, 2004 | ||||||
| Jan 1984– 36-Month | 55.3°F (12.9°C) | 56.1°F (13.4°C) | -0.8°F (-0.5°C) | 30th Coolest | Coolest since: | 1968 |
| 26th Warmest | Warmest to Date | 2021 | ||||
| Ties: 1990, 1995 | ||||||
| Jan 1983– 48-Month | 55.1°F (12.8°C) | 56.1°F (13.4°C) | -1.0°F (-0.6°C) | 25th Coolest | Coolest since: | 1969 |
| 29th Warmest | Warmest to Date | 2020, 2021, 2022 | ||||
| Ties: 1988 | ||||||
| Jan 1982– 60-Month | 54.9°F (12.7°C) | 56.1°F (13.4°C) | -1.2°F (-0.7°C) | 21st Coolest | Coolest since: | 1970 |
| 31st Warmest | Warmest to Date | 2021 | ||||
| Ties: 1989 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: City Rankings, published May 2023, retrieved on June 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/city/rankings