Friday Harbor Weather in May
May in Friday Harbor averages 16°C (61°F) during the day and 7°C (45°F) at night. Around 40 mm (1.6 in) of rainfall is typical for this time of year.
Rainfall in Friday Harbor in May
Climate statistics over the past 30 years suggest around 11 days of rain, with 40 mm (1.6 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Friday Harbor in May
If you're visiting Friday Harbor in May, expect highs of 16°C (61°F) and overnight lows around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Friday Harbor in May
The days are predominantly sunny, with an estimated total of around 271 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Friday Harbor.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Friday Harbor's climate page.
Friday Harbor Temperature in May
Min Temperature
7°C (45°F)
Max Temperature
16°C (61°F)
Chance of Rain
37%
Precipitation
40 mm (1.6 in)
Rainy days
11 days
Sunshine
271 hours
Percentage Sunshine
56%
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
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What to Wear in Friday Harbor in May
The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Light rain is possible, so consider bringing a small umbrella or rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Friday Harbor in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Friday Harbor's climate page.
See the full Friday Harbor climate overview or explore weather in the United States of America.
