Washington weather in January 2026

Expect 5°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Washington in January based on long-term weather averages. There is usually 10 days with some rainfall and 71 mm of average monthly rainfall in January.

  • 5°C maximum daytime temperature in January in Washington5
    5°C max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in January in Washington10
    10 days with some rainfall
  • -4°C minimum night-time temperature in January in Washington-4
    -4°C min night temperature
  • 10 hours of daylight per day in January in Washington10
    10 hours of daylight per day
  • No heat & humidity in January in Washington0
    No heat & humidity
  • 71 mm monthly rainfall in January in Washington71
    71 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Washington2
    2 (Low) UV index

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The January weather guide for D.C., represented by Washington, (Washington) 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)

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How cold is it in Washington in January?

Daytime temperatures usually reach 5°C in Washington in January, falling to -4°C at night.

How sunny is it in Washington in January?

There are normally 5 hours of bright sunshine each day in Washington in January - that's 48% of daylight hours.

Does it rain in Washington in January?

There are usually 10 days with some rain in Washington in January and the average monthly rainfall is 71mm. Rain may fall as snow in this month.

Washington January sunrise & sunset times

Browse the sunrise and sunset times for Washington in January 2026. Select a month to view Washington sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:27 16:57
Friday, 16th January 2026 07:25 17:11
Saturday, 31st January 2026 07:15 17:28

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