Washington State weather in December 2024

Expect 46°F daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Washington State in December. Check more long-term weather averages for Washington State in December before you book your next holiday to Washington State in 2024/2025.

46
46°F max day temperature
2
2 hours of sunshine per day
18
18 days with some rainfall
36
36°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
5.9
5.9 inches of monthly rainfall
1
1 (Low) UV index

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The December weather guide for Washington State (Seattle) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Washington State destinations

Below are average maximum temperatures at popular destinations in Washington State in December. Select a destination to see more weather parameters.

All Washington State destinations

Metric (°C) | Imperial (°F)

More about the USA

How warm is it in Washington State in December?

Daytime temperatures usually reach 46°F in Seattle, Washington State in December, falling to 36°F at night.

How sunny is it in Washington State in December?

There are normally 2 hours of bright sunshine each day in Seattle, Washington State in December - that's 21% of daylight hours.

Does it rain in Washington State in December?

There are usually 18 days with some rain in Seattle, Washington State in December and the average monthly rainfall is 5.9 inches.

Washington State December sunrise & sunset times

Browse the sunrise and sunset times for Washington State in December 2024. Select a month to view Washington State sunrise and sunset times for the next 12 months. The Washington State sunrise and sunset times shown below are for Seattle.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Sunday, 1st December 2024	07:37	16:20
Monday, 16th December 2024	07:52	16:19
Tuesday, 31st December 2024	07:58	16:28

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Washington - quick facts
Flight time^✝	10 hours
Time difference	UK -8 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	State of Washington Tourism