Portugal weather

Our guide to the weather in Portugal during August

33

Average high

7

UV Index

4mm

Monthly rainfall

56%

Humidity

Portugal is a beautiful country with a rich culture and diverse landscape, making it an ideal destination for American travelers looking to explore and experience something new; August is a great time to visit, as temperatures are typically mild and comfortable. We've looked at the most up-to-date weather data for Portugal, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Portugal weather in August.

How hot is it in Portugal during August?

August is typically the hottest month in Portugal. The temperature hits about 33℃ during the day, falling away to a balmy 16℃ at night.The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Portugal during August?

The answer is no. Portugal is typically bone dry in August. You're not likely to see a thunderstorm during your trip.

Is it windy in Portugal during August?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With moderate humidity, any breeze will have a welcome cooling effect.

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Weather in Portugal

Our month-by-month guide to the weather and climate in Portugal

13.4

Portugal weather in

January
14.9

Portugal weather in

February
17.2

Portugal weather in

March
19.6

Portugal weather in

April
24.4

Portugal weather in

May
27.9

Portugal weather in

June
32.0

Portugal weather in

July
32.9

Portugal weather in

August
29.3

Portugal weather in

September
23.8

Portugal weather in

October
16.7

Portugal weather in

November
14.3

Portugal weather in

December