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Lisbon weather in August (Lisbon Region, Portugal)

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

Temperatures

In Lisbon the weather in August is generally perfect, characterized by high temperatures and low rainfall. August is a summer month. Throughout the daytime, temperatures often hover around 27°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 18°C. Typically, it's the hottest month of the year. Make sure to come prepared with breezy outfits. Whether you're out exploring or just lounging, being prepared can make your experience in this warm month much more enjoyable.

Precipitation

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

Average sunshine

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 Lisbon climate page with graphs.

 

Lisbon, monthly averages in August

Min TemperatureMin Temperature 18°C  
Max TemperatureMax Temperature 27°C  
Chance of RainChance of Rain 6%  
PrecipitationPrecipitation 5.7 mm  
Rainy daysRainy days 2 days  
SunshineSunshine 350 hours  
Percentage SunshinePercentage Sunshine 82%  

Where to go in Portugal in August

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

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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 this month?

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.

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Lisbon.

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 travel conditions. Find out where to go with our weather planner.