Washington Weather in December
December in Washington brings moderate temperatures around 15°C (59°F) during the day, dropping to 4°C (39°F) at night, with quite a bit of rainfall expected, averaging around 104 mm (4.1 in) for the month.
Rainfall in Washington in December
On average, there are about 10 days with rain during this month, averaging 104 mm (4.1 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Washington in December
Washington in December gets highs of 15°C (59°F) during the day and drops to 4°C (39°F) at night. December marks the winter season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.December in Washington has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Washington's climate page.
Washington Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
15°C (59°F)
Chance of Rain
33%
Precipitation
104 mm (4.1 in)
Rainy days
10 days
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Washington in December
The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Washington in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Washington's climate page.
See the full Washington climate overview or explore weather in the United States of America.
