Why May scores 9.4What goes into the score
How it works- Weather comfort9.3
- ✓Comfortable temperatures (20°C highs / 12°C lows)
- ✓Comfortable humidity (dew point 12.2°C)
- ✓Mostly dry (~66 mm rain)
- Air quality9.5
- ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
- Seasonal hazards10.0
- ·No notable seasonal hazards
- Safety baseline8.5
- ·Normal precautions
| May | Jun | |
|---|---|---|
| Score | 9.4 Excellent | 9.6 Excellent |
| Season | 🌷 Spring | ☀️ Summer |
| High / low | 20° / 12° | 24° / 15° |
| Rain | 66 mm | 42 mm |
| Humidity | dew pt 12° | dew pt 14° |
| PM2.5 | 8 µg/m³ | 11 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Porto weather-station normals.
Holidays & crowdsMay 2027
No long holidaysNo long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.
Other public holidays: Labor Day (1 May) · Corpus Christi (27 May)
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Explore PortoEvents, sights, food & souvenirs
Check event dates locallyPortugal's second city, on the Douro River, known for port wine cellars, azulejo-tiled churches and the steep, riverside Ribeira district.
No major events on our calendar for May.
Coming up later
Festa de São JoãoEvery yearNight of 23 to 24 June every year
Porto's biggest party, with grilled sardines, street dancing, fireworks over the Douro and people tapping each other with plastic hammers.
Why go: Streets are packed all night and 24 June is a city holiday.
Where: Citywide, especially Ribeira and Fontainhas
Douro grape harvestDate variesUsually mid-September to early October
Grapes are picked by hand on terraced slopes; some estates still tread grapes in stone lagares.
Why go: Some quintas offer harvest activities; book early.
Where: Douro Valley quintas
New Year's Eve on Avenida dos AliadosEvery year31 December every year
A free outdoor concert and midnight fireworks in the city's main avenue.
Why go: Very crowded; keep valuables secure.
Where: Avenida dos Aliados
Ribeira
The old riverside quarter of narrow lanes and colourful houses, part of the UNESCO-listed historic centre.
Dom Luís I Bridge
A two-level iron bridge across the Douro; the upper deck gives views over Ribeira and Gaia.
💡 The upper deck is shared with the metro line, so stay inside the pedestrian lane.
Port wine cellars
Historic port lodges in Vila Nova de Gaia offer tours and tastings.
💡 Across the river from Ribeira; booking ahead is wise in summer.
São Bento Station
A working railway station whose entrance hall is covered with large blue-and-white tile panels of Portuguese history.
Clérigos Tower
An 18th-century baroque bell tower with a climb to views over the city.
Douro Valley
Terraced vineyards along the Douro upstream from Porto, reachable by train, boat or tour.
💡 The grape harvest runs from about mid-September to early October.
Francesinha
A layered sandwich of cured and fresh meats covered in melted cheese and a beer-tomato sauce, often with fries.
💡 Cafes and snack bars across the city
Tripas à moda do Porto
A stew of tripe and white beans; locals are nicknamed 'tripeiros' after it.
💡 Traditional tascas
Bacalhau
Salt cod, cooked in many ways, from grilled to baked with potatoes and onions.
💡 Traditional restaurants
Bifana
A pork sandwich with meat simmered in a garlic and wine sauce.
💡 Snack bars and cafes
Port wine
Fortified wine aged in Vila Nova de Gaia, from white and ruby to tawny and vintage.
💡 Gaia lodges and wine bars
Port wine
Bottles from the Gaia lodges, from young ruby to aged tawny.
💡 Gaia cellars and wine shops
Azulejo tiles
Hand-painted ceramic tiles, including reproductions of historic patterns.
💡 Ceramics shops in the centre
Cork products
Bags, wallets and homeware made from Portuguese cork.
💡 Souvenir and design shops
Portuguese soaps
Wrapped soaps from long-established Portuguese makers such as Claus Porto.
💡 Gift and design shops