Washington Weather in December
December in Washington averages 11°C (52°F) during the day and -1°C (30°F) at night. It is the wettest month of the year, with 34 mm (1.3 in) of snow/rainfall on average, so waterproof gear is a must.
Rainfall in Washington in December
Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. Typically around 6 days of snow/rainfall are expected, averaging 34 mm (1.3 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in Washington in December
In December, Washington sees low temperatures, with highs of 11°C (52°F). Nights drop to around -1°C (30°F). This month falls in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop below freezing to -1°C (30°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. December is typically the month with the mildest temperatures of the year.Should you favor a climate that's both dry and comfortably warm, March, April, May, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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
-1°C (30°F)
Max Temperature
11°C (52°F)
Chance of Rain
20%
Precipitation
34 mm (1.3 in)
Rainy days
6 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
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What to Wear in Washington in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Light rain is possible, so consider bringing a small umbrella or rain jacket.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.
