Porto Weather in August
Portugal · August climate averages and travel tips
In August, Porto has average highs of 25°C (77°F) and lows of 16°C (62°F). August is summer in Portugal. The month is very dry, with about 15 mm (0.6 in) of rain spread over 3 days, one of the driest months of the year. You get roughly 13.6 hours of daylight and mostly clear skies.
Is August a good time to visit Porto?
Yes — August is one of the best months to visit Porto. The weather rates excellent (9.8/10) on our comfort score.
Visiting Porto in August
August weather
Porto is warm and mostly dry in August. Days reach 25°C, while evenings cool to around 16°C. You'll get plenty of sun, and rain is unusual, so it's a good month for riverside walks and time on Foz's beaches.
The steep streets can feel tiring in the afternoon heat. Save a climb up to the Clérigos Tower for a cooler part of the day, and enjoy the shade inside São Bento station or the Palácio da Bolsa. The Douro's riverfront is lovely later on, when the stone buildings aren't holding as much heat.
Events and local life
August 15 is Assumption Day, a public holiday in Portugal. Some shops and services may close or keep shorter hours, though Porto's main visitor areas still have places to eat and drink.
For families, the long sunny days work well for a slow morning at Foz, followed by an evening stroll through Ribeira. Check local notices for events during your stay; Porto's summer calendar can change from year to year.
Crowds and practical tips
August is peak summer season, so expect busy streets around Ribeira, queues at popular sights, and higher hotel prices than in quieter months such as winter. The weather is usually drier than September, when rain rises, but July is slightly warmer by the daytime high.
For a calmer riverside break, cross the Dom Luís I Bridge on its lower deck to Vila Nova de Gaia, then follow the waterfront away from the busiest cellar entrances. You'll still have Douro views, with more room to pause.
August weather at a glance
| Average high | 25°C (77°F) |
|---|---|
| Average low | 16°C (62°F) |
| Daily mean | 20°C (69°F) |
| Rainfall | 15 mm (0.6 in) |
| Rainy days (1 mm+) | 3 |
| Humidity | 72% |
| Cloud cover | 27% |
| Daylight | 13.6 hours |
| Est. sunshine | 10.9 hours/day |
| Wind | 6.3 km/h |
| vs July | 1°C warmer than July, with similar rainfall. |
What to pack for Porto in August
- T-shirts plus a light layer for the evening
Porto weather in other months
← JulyBest time to visit PortoSeptember →
Nearby in August
- Lisbon23°C · 4 mm
- Madrid34°C · 13 mm
- Faro28°C · 3 mm
- Seville38°C · 3 mm
- Marbella30°C · 3 mm
- Malaga28°C · 3 mm
Where else is good in August? See where to go in August.