Friday Harbor Weather in August

In Friday Harbor, August brings pleasant daytime temperatures around 21°C (70°F), with nights cooling to 10°C (50°F). Some rainfall is to be expected.

Rainfall in Friday Harbor in August

You can expect rain on roughly 5 days based on historical data, averaging 15 mm (0.6 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in Friday Harbor in August

August tends to be one of the excellent months in Friday Harbor, with 21°C (70°F) in the afternoon and 10°C (50°F) overnight. Experience the summer season in August. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it is the month with the highest temperature of the year.

Sunshine in Friday Harbor in August

The days are predominantly sunny, with an estimated total of around 301 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Friday Harbor.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

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 August

Min Temperature 10°C (50°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 17%  

Precipitation 15 mm (0.6 in)  

Rainy days 5 days  

Sunshine 301 hours  

Percentage Sunshine 67%  

What to Wear in Friday Harbor in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Friday Harbor in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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.

More climate data for Friday Harbor

Temperature Rainfall Sunshine

See the full Friday Harbor climate overview or explore weather in the United States of America.