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Washington State weather in January 2023
- 77°C max day temperature
- 1818 days with some rainfall
- 22°C min night temperature
- 99 hours of daylight per day
- 0No heat & humidity
- 149149 mm of monthly rainfall
- 11 (Low) UV index
Below are average maximum temperatures at popular destinations in Washington State in January. Select a destination to see more weather parameters.
Recommended for Washington State
The January 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.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How cold is it in Washington State in January?
Daytime temperatures usually reach 7°C in Seattle, Washington State in January, falling to 2°C at night.
How sunny is it in Washington State in January?
There are normally 2 hours of bright sunshine each day in Seattle, Washington State in January - that's 25% of daylight hours.
Does it rain in Washington State in January?
There are usually 18 days with some rain in Seattle, Washington State in January and the average monthly rainfall is 149mm.
Washington State January sunrise & sunset times
Browse the sunrise and sunset times for Washington State in January 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|
|Sunday, 1st January 2023||07:58||16:29|
|Monday, 16th January 2023||07:52||16:47|
|Tuesday, 31st January 2023||07:37||17:09|
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