Lisboa weather in August (Portugal)

Curious about the August weather in Lisboa? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In Lisboa the weather in August is generally perfect, characterized by high temperatures and low rainfall. August falls within the summer season. Throughout the day, temperatures typically settle at around 27°C. But by evening, they drop to around 18°C. Often, it stands out as the year's warmest month. With this in mind, cool breathable fabrics will make navigating the heat much more bearable. Always be ready to embrace the warmth while staying cool and protected.

Lisboa in August usually receives low rainfall, averaging around 5.7 mm for the month. Typically around 2 days of rainfall is expected.

The city usually sees around 350 hours of sunlight, indicating many sunny days.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit. May, June, July, August, September and October generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Lisboa climate page with graphs.

 

Lisboa, monthly averages in August

Min Temperature 18°C  

Max Temperature 27°C  

Chance of Rain 6%  

Precipitation 5.7 mm  

Rainy days 2 days  

Sunshine 350 hours *  

Percentage Sunshine 82% *  

Where to go in Portugal in August

Find out more about the weather in Portugal in August and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Lisboa in August?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Lisboa.

Our site offers climate and forecast data for every country in the world. Are you going to Portugal? On this website you can find historical weather averages for many cities in Portugal. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.