Friday Harbor weather in May 2024
Expect 61°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Friday Harbor in May. Check more long-term weather averages for Friday Harbor in May before you book your next holiday to Washington State in 2024/2025.
- 6161°F max day temperature
- 8 hours of sunshine per day
- 1111 days with some rainfall
- 4545°F min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 1.31.3 inches of monthly rainfall
- 66 (High) UV index
- 5050°F sea temperature
More about Friday Harbor
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts