United States weather in January

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Check the the United States weather in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall. The United States january weather guide shown below is for Washington.

  • 5°C maximum daytime temperature in January in United States (Washington)5
    5°C max day temperature
  • 5 hours of sunshine per day (48% of daylight hours) in January in United States5
    5 hours of sunshine per day
  • 10 days with some rainfall in January in United States (Washington)10
    10 days with some rainfall
  • -4°C minimum night-time temperature in January in United States (Washington)-4
    -4°C min night temperature
  • 10 hours of daylight per day in January in United States (Washington)10
    10 hours of daylight per day
  • No heat & humidity in January in United States (Washington)0
    No heat & humidity
  • 71 mm monthly rainfall in January in United States (Washington)71
    71 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in United States (Washington)2
    2 (Low) UV index

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Metric (°C / mm)  |  Imperial (°F / inches)

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