Friday Harbor weather in June 2025

Expect 19°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Friday Harbor in June. Check more long-term weather averages for Friday Harbor in June before you book your next holiday to Washington State in 2025/2026.

• 19
  19°C max day temperature
• 9
  9 hours of sunshine per day
• 9
  9 days with some rainfall
• 9
  9°C min night temperature
• 16
  16 hours of daylight per day
• 0
  No heat & humidity
• 28
  28 mm of monthly rainfall
• 7
  7 (High) UV index
• 12
  12°C sea temperature

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Friday Harbor by month

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The June 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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Friday Harbor June sunrise & sunset times

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

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