Portland Weather in August

Portland in August averages 20°C (68°F) during the day and 15°C (59°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Portland in August

Historically, the month has about 12 days of rain, averaging 73 mm (2.9 in) in total. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Portland in August

August in Portland is generally perfect, with days reaching 20°C (68°F) and nights settling around 15°C (59°F). The month of August belongs to the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it is the month with the highest temperature of the year.

Sunshine in Portland in August

Enjoy a sunny month with about 210 hours of sunshine, the clear skies make Portland even more beautiful.

If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Portland.

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• January
• February
• March
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• May
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• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Portland's climate page.

Portland Temperature in August

Min Temperature 15°C (59°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 39%  

Precipitation 73 mm (2.9 in)  

Rainy days 12 days  

Sunshine 210 hours *  

Percentage Sunshine *  

* Data from: Salisbury, the United Kingdom (74 KM, 46 Miles).

What to Wear in Portland 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. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Portland in August

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

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

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 Kingdom, check out our Portland's climate page.

More climate data for Portland

Temperature Rainfall Sunshine

See the full Portland climate overview or explore weather in the United Kingdom.