Seattle weather in January 2025

Expect 45°F daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Seattle in January. Check more long-term weather averages for Seattle in January before you book your next holiday to Washington State in 2025/2026.

  • 45°F maximum daytime temperature in January in Seattle45
    45°F max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in January in Seattle18
    18 days with some rainfall
  • 36°F minimum night-time temperature in January in Seattle36
    36°F min night temperature
  • 9 hours of daylight per day in January in Seattle9
    9 hours of daylight per day
  • No heat & humidity in January in Seattle0
    No heat & humidity
  • 5.9 inches monthly rainfall in January in Seattle5.9
    5.9 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Seattle1
    1 (Low) UV index

More about Seattle

Seattle by month

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

Recommended for Washington State

Virgin Atlantic sale: Worldwide flight sale offers

  • Save on flights worldwide in the Virgin Atlantic sale
  • Book low fares to the USA, the Caribbean & more
  • Including Florida, New York, Jamaica & Dubai
Go to Virgin Atlantic deal >>

Expires at 23:59 on Tuesday 14th May 2024 · View all Virgin Atlantic offers

Virgin AtlanticBest fare finder

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)  |  Imperial (°F)

Back to top

More about the USA

How cold is it in Seattle in January?

Daytime temperatures usually reach 45°F in Seattle in January, falling to 36°F at night.

How sunny is it in Seattle in January?

There are normally 2 hours of bright sunshine each day in Seattle in January - that's 25% of daylight hours.

Does it rain in Seattle in January?

There are usually 18 days with some rain in Seattle in January and the average monthly rainfall is 5.9 inches.

Seattle January sunrise & sunset times

Browse the sunrise and sunset times for Seattle in January 2025. Select a month to view Seattle sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:58 16:29
Thursday, 16th January 2025 07:52 16:47
Friday, 31st January 2025 07:37 17:10

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^