Temperature in The Douro Valley in August

Daytime highs, nighttime lows and the warmest cities in the Douro Valley, Portugal this August.

The Douro Valley, Portugal, a region in Portugal, experiences high average maximum daytime temperatures in August, ranging from 25°C (77°F) in Porto to 29°C (84°F) in Pinhão. Nighttime temperatures generally drop to 15°C (59°F) in Pinhão and 18°C (64°F) in Porto. August falls during the summer season. On average, August is the month with the highest temperature of the year in the Douro Valley, Portugal.

What is the temperature of the different cities in the Douro Valley, Portugal in August?

Discover the typical August temperatures for the most popular locations of the Douro Valley on the map below. Detailed insights are just a click away.

Select a Month

Check the conditions for any month of the year.

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

See also: the Douro Valley weather by month.

Best Places to Visit in the Douro Valley in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Douro Valley.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in August: blue is cold, red is hot.

See all August weather averages, cities and regions in the Douro Valley

The Douro Valley temperatures in August: frequently asked questions

How hot does it get in the Douro Valley, Portugal in August?

Daytime temperatures in Porto typically peak at 25°C (77°F) in August, putting it in the high range.

How cold does it get at night in the Douro Valley, Portugal in August?

Porto sees nighttime lows close to 18°C (64°F) in August.

What is the warmest city in August in the Douro Valley, Portugal?

Data insights from our comprehensive database indicate that Pinhão is the city with the highest warmth. Daytime peaks average near 29°C (84°F), while the nights are characterized by a low temperature close to 15°C (59°F).

What is the coldest city in August in the Douro Valley, Portugal?

For the month of August, Porto is the most temperate city in the Douro Valley, Portugal based on our records. Highs average 25°C (77°F) and nighttime temperatures dip to around 18°C (64°F).

How much sun does the Douro Valley, Portugal get in August?

Porto usually sees around 295 hours of sunlight, indicating many sunny days.

What is the water temperature in August?

The water temperature averages approximately 18°C (64°F) in Porto this month, still a bit cool to swim, though some enjoy a refreshing dip.

Interested in more climate information?

We have much more information about the climate in the Douro Valley.

Weather and climate has detailed information for every country in the world. Are you going to Portugal? Get detailed 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.