Weather in Washington: December
 |
Average day temperature: | 46.3°F |
| Average night temperature: | 39.2°F | |
 |
Sea water temperature: | 46.5°F |
 |
Number of sunny days: | 12 days |
| Day length: | 9.4 - 9.6 hours | |
 |
Number of rainy days: | 4 days |
| Precipitation totals: | 2.4 in. | |
| more information | ||
forecast
| Washington |
temperature
| Washington |
Air temperature in December, °F
The highest day temperature during December of 2023 was 59°F. At the same time the lowest night temperature was 31°F. Day and night temperature averages during December were 48.2°F and 40.8°F.
Sea water temperature in Washington in December, °F
The average sea water temperature in December of 2023 was 45.5°F. The highest and lowest sea temperatures during the month were 50.0°F and 43.2°F.
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Washington in December is 2.4 in. Other months of the year show relatively similar values.
The average wind speed value in December is 6.9 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.3.
Best time for vacation in Washington
Washington on a weather map
14 mph
9 mph
14 mph
15 mph
12 mph
11 mph
11 mph
9 mph
