Washington Weather in December
December in Washington brings low temperatures, with highs of 6°C (43°F) and nights dropping to -3°C (27°F). Rainfall is on the higher side this month, averaging around 102 mm (4 in), so keep a rain jacket handy.
Rainfall in Washington in December
Looking at the last 30 years, the data shows about 16 days with snow/rain, averaging 102 mm (4 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Washington in December
In December, Washington gets low temperatures, with highs of 6°C (43°F). Nights cool to around -3°C (27°F). December is a notable month of the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With lows of -3°C (27°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.
Sunshine in Washington in December
With limited sunshine this month, there are about 73 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, July, August and September typically offer the best weather for Washington.
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
-3°C (27°F)
Max Temperature
6°C (43°F)
Chance of Rain
53%
Precipitation
102 mm (4 in)
Rainy days
16 days
Humidity
72% *
Sunshine
73 hours *
Percentage Sunshine
26% *
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 →
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What to Wear in Washington in December
Dress warmly and in layers for your trip to Washington in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. With limited sunshine expected, sunglasses aren't a priority for packing.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.
Temperature Rainfall Sunshine Humidity
See the full Washington climate overview or explore weather in the United States of America.
