Friday Harbor weather in March 2025

Expect 10°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Friday Harbor in March. Check more long-term weather averages for Friday Harbor in March before you book your next holiday to Washington State in 2025/2026.

  • 10°C maximum daytime temperature in March in Friday Harbor10
    10°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in March in Friday Harbor15
    15 days with some rainfall
  • 4°C minimum night-time temperature in March in Friday Harbor4
    4°C min night temperature
  • 12 hours of daylight per day in March in Friday Harbor12
    12 hours of daylight per day
  • No heat & humidity in March in Friday Harbor0
    No heat & humidity
  • 55 mm monthly rainfall in March in Friday Harbor55
    55 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Friday Harbor3
    3 (Moderate) UV index
  • 8°C sea temperature in March in Friday Harbor8
    8°C sea temperature

More about Friday Harbor

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The March weather guide for Washington State (Friday Harbor) 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 warm is it in Friday Harbor in March?

Daytime temperatures usually reach 10°C in Friday Harbor in March, falling to 4°C at night.

How sunny is it in Friday Harbor in March?

There are normally 5 hours of bright sunshine each day in Friday Harbor in March - that's 38% of daylight hours.

Is the sea cold around Friday Harbor in March?

The average sea temperature around Friday Harbor in March is 8°C.

Does it rain in Friday Harbor in March?

There are usually 15 days with some rain in Friday Harbor in March and the average monthly rainfall is 55mm.

Friday Harbor March sunrise & sunset times

Browse the sunrise and sunset times for Friday Harbor in March 2025. Select a month to view Friday Harbor sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:53 17:57
Sunday, 16th March 2025 06:22 18:20
Monday, 31st March 2025 05:51 18:42

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