Washington weather in December 2025
December
Washington weather in December 2025
December
Day
7 °C
Night
1 °C
Sea
8 °C
Precipitation
169 mm
in month
Rainy days
18 days
in month
Daylight
8 hours
average
Sunshine
2 hours
average
Humidity
85 %
Day
7 °C
Night
1 °C
Sea
8 °C
Precipitation
169 mm
in month
Rainy days
18 days
in month
Daylight
8 hours
average
Sunshine
2 hours
average
Humidity
85 %
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Weather overview and FAQs
Weather overview
In December in Washington, the average air temperature ranges from 7 °C (45 °F) during the day to 1 °C (35 °F) at night. There are 18 days of rain on average, where the rainfall is 169 mm (6.64 in).
Is December a good month to visit Washington?
In December there are not good conditions to visit Washington. A relatively low temperature of 7 °C (45 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of 1 °C (35 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two. In December in Washington, there is a wet season, which means that it could rain more often there during your stay.
What is the temperature in Washington during the day in December?
In Washington in December, the average daily temperatures will be 7 °C (45 °F). Be sure to pack warm clothes, including a jacket and a warm sweater. On some days it may occasionally freeze, but with stronger winds, the feeling of cold may increase.
What is the night temperature in December in Washington?
The average night temperature in Washington in December is 1 °C (35 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.
How many days of precipitation on average can I expect in December in Washington?
In Washington in December, we can expect 18 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 4.3 days of the week, or in general - 61 % days.
How heavy is the precipitation in December in Washington?
In December in Washington, there is 169 mm (6.64 in) rainfall, which means on average 6 mm (0.22 in) rainfall per day.
How many hours of sun to expect in December in Washington?
In Washington in December, you can expect around 2 hours of sunshine.
Is there a wet season in Washington in December?
Yes, in Washington in December there is a wet season with 18 days, when there is rain in a month.
How long is the day (from dawn till dusk) in Washington in December?
The length of daylight in Washington in December is 8 hours.
Can I expect a freeze in December in Washington?
It is possible that it will be freezing in Washington in December, night temperatures will be 1 °C (35 °F) on average.
Is Washington rainier in December than in January?
No, in Washington in December it does not rain more than in January.
What level of humidity is to expect in Washington in December?
Humidity in Washington in December is 85 %.
How windy is it in Washington in December?
In December in Washington, there will be an average wind scale of 3.
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