Lisbon weather in August (Lisbon Region, Portugal)
Curious about the climate in Lisbon this August? Our guide gives you the essential weather details for this month.
Temperatures
You’ll find the weather in Lisbon during August to be perfect, with high temperatures and low rainfall. August is part of the summer season. Throughout the daytime, temperatures often hover around 27°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 18°C. As the year's hottest month, it's essential to have your summer gear ready. Keep cool with light clothing and enjoy the warmth.
Precipitation
Lisbon in August usually receives low rainfall, averaging around 5.7 mm for the month. On average, there are about 2 days with rain during this month.
Average sunshine
With approximately 350 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Lisbon.
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Lisbon's climate page.
Lisbon, monthly averages in August
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.





Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Lisbon's climate page.
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.
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.