Climate at a Glance
City Rankings
Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of April 2022. For more information, please see Climatological Rankings.
Washington (Dulles), District of Columbia
Average Temperature Rankings, December 2017
View Period (Months):All1234567891011121824364860
Period | Value | 1981-2010 Mean |
Anomaly | Rank (1895-2021) |
Warmest/Coolest Since |
Record |
---|---|---|---|---|---|---|
December 2017 1-Month |
35.1°F (1.7°C) | 36.5°F (2.5°C) |
-1.4°F (-0.8°C) | 20th Coolest | Coolest since: 2010 | 1989 |
42nd Warmest | Warmest since: 2016 | 2015 | ||||
Ties: 1975 | ||||||
Nov–Dec 2017 2-Month |
40.4°F (4.7°C) | 41.3°F (5.2°C) |
-0.9°F (-0.5°C) | 20th Coolest | Coolest since: 2014 | 1989 |
39th Warmest | Warmest since: 2016 | 2015 | ||||
Ties: 1972, 1997 | ||||||
Oct–Dec 2017 3-Month |
47.3°F (8.5°C) | 46.1°F (7.8°C) |
1.2°F (0.7°C) | 42nd Coolest | Coolest since: 2014 | 1976 |
17th Warmest | Warmest since: 2016 | 2015 | ||||
Ties: 1979 | ||||||
Sep–Dec 2017 4-Month |
52.6°F (11.4°C) | 51.5°F (10.8°C) |
1.1°F (0.6°C) | 40th Coolest | Coolest since: 2014 | 1976 |
19th Warmest | Warmest since: 2016 | 2015 | ||||
Ties: 1999, 2004 | ||||||
Aug–Dec 2017 5-Month |
56.8°F (13.8°C) | 56.3°F (13.5°C) |
0.5°F (0.3°C) | 35th Coolest | Coolest since: 2014 | 1976 |
24th Warmest | Warmest since: 2016 | 2021 | ||||
Ties: 2004 | ||||||
Jul–Dec 2017 6-Month |
60.3°F (15.7°C) | 59.7°F (15.4°C) |
0.6°F (0.3°C) | 39th Coolest | Coolest since: 2014 | 1976 |
20th Warmest | Warmest since: 2016 | 2021 | ||||
Ties: 1970 | ||||||
Jun–Dec 2017 7-Month |
62.1°F (16.7°C) | 61.5°F (16.4°C) |
0.6°F (0.3°C) | 41st Coolest | Coolest since: 2014 | 1976 |
18th Warmest | Warmest since: 2016 | 2021 | ||||
Ties: 1991 | ||||||
May–Dec 2017 8-Month |
62.1°F (16.7°C) | 61.6°F (16.4°C) |
0.5°F (0.3°C) | 38th Coolest | Coolest since: 2014 | 1976 |
21st Warmest | Warmest since: 2016 | 2015 | ||||
Ties: 1971, 1987 | ||||||
Apr–Dec 2017 9-Month |
62.0°F (16.7°C) | 60.8°F (16.0°C) |
1.2°F (0.7°C) | 45th Coolest | Coolest since: 2014 | 1976 |
14th Warmest | Warmest since: 2016 | 2015 | ||||
Mar–Dec 2017 10-Month |
60.2°F (15.7°C) | 59.1°F (15.1°C) |
1.1°F (0.6°C) | 45th Coolest | Coolest since: 2014 | 1976 |
14th Warmest | Warmest since: 2016 | 2021 | ||||
Feb–Dec 2017 11-Month |
58.8°F (14.9°C) | 57.0°F (13.9°C) |
1.8°F (1.0°C) | 52nd Coolest | Coolest since: 2015 | 1967 |
7th Warmest | Warmest since: 2016 | 2012 | ||||
Jan–Dec 2017 12-Month |
57.2°F (14.0°C) | 55.0°F (12.8°C) |
2.2°F (1.2°C) | 55th Coolest | Coolest since: 2016 | 1966 |
4th Warmest | Warmest since: 2012 | 2012 | ||||
Jul 2016–Dec 2017 18-Month |
59.1°F (15.1°C) | 56.5°F (13.6°C) |
2.6°F (1.5°C) | 54th Coolest | Coolest since: 2016 | 1967 |
3rd Warmest | Warmest since: 2012 | 2021 | ||||
Jan 2016–Dec 2017 24-Month |
57.2°F (14.0°C) | 55.0°F (12.8°C) |
2.2°F (1.2°C) | 53rd Coolest | Coolest since: 2016 | 1967 |
4th Warmest | Warmest since: 2012 | 2021 | ||||
Jan 2015–Dec 2017 36-Month |
56.7°F (13.7°C) | 55.0°F (12.8°C) |
1.7°F (0.9°C) | 49th Coolest | Coolest since: 2016 | 1968 |
6th Warmest | Warmest since: 2013 | 2021 | ||||
Ties: 2013 | ||||||
Jan 2014–Dec 2017 48-Month |
55.8°F (13.2°C) | 54.9°F (12.7°C) |
0.9°F (0.5°C) | 41st Coolest | Coolest since: 2016 | 1969 |
12th Warmest | Warmest since: 2014 | 2021 | ||||
Ties: 2014 | ||||||
Jan 2013–Dec 2017 60-Month |
55.7°F (13.2°C) | 54.8°F (12.7°C) |
0.9°F (0.5°C) | 35th Coolest | Coolest since: 2005 | 1969, 1970 |
16th Warmest | Warmest since: 2016 | 2021 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published May 2022, retrieved on May 26, 2022 from https://www.ncdc.noaa.gov/cag/