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Washington State weather in December 2023
- 88°C max day temperature
- 1818 days with some rainfall
- 22°C min night temperature
- 88 hours of daylight per day
- 0No heat & humidity
- 151151 mm of monthly rainfall
- 11 (Low) UV index
Below are average maximum temperatures at popular destinations in Washington State in December. Select a destination to see more weather parameters.
Recommended for Washington State
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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How warm is it in Washington State in December?
Daytime temperatures usually reach 8°C in Seattle, Washington State in December, falling to 2°C 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 151mm.
Washington State December sunrise & sunset times
Browse the sunrise and sunset times for Washington State in December 2023. 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.
|Date||Sunrise times||Sunset times|
|Friday, 1st December 2023||07:36||16:20|
|Saturday, 16th December 2023||07:52||16:18|
|Sunday, 31st December 2023||07:58||16:27|
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