Seattle weather in March

Check the Weather in Seattle, Washington in March before you book your next holiday. This gives the best indication of the weather in March and includes figures for temperature, sunshine and rainfall.

  • 12°C maximum daytime temperature in March in Seattle12
    12°C max day temperature
  • 5 hours of sunshine per day (44% of daylight hours) in March in Seattle5
    5 hours of sunshine per day
  • 16 days with some rainfall in March in Seattle16
    16 days with some rainfall
  • 3°C minimum night-time temperature in March in Seattle3
    3°C min night temperature
  • 12 hours of daylight per day in March in Seattle12
    12 hours of daylight per day
  • No heat & humidity in March in Seattle0
    No heat & humidity
  • 95 mm monthly rainfall in March in Seattle95
    95 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Seattle3
    3 (Moderate) UV index

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

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