Why May scores 9.6What goes into the score
How it works- Weather comfort9.8
- ✓Comfortable temperatures (22°C highs / 14°C lows)
- ✓Slightly humid (dew point 13.3°C)
- ✓Mostly dry (~27 mm rain)
- Air quality9.3
- ✓Good (within WHO guideline) (PM2.5 ~9 µg/m³)
- Seasonal hazards10.0
- ·No notable seasonal hazards
- Safety baseline8.5
- ·Normal precautions
| May | Jun | |
|---|---|---|
| Score | 9.6 Excellent | 9.6 Excellent |
| Season | 🌷 Spring | ☀️ Summer |
| High / low | 22° / 14° | 26° / 17° |
| Rain | 27 mm | 11 mm |
| Humidity | dew pt 13° | dew pt 15° |
| PM2.5 | 9 µg/m³ | 10 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Lisbon 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 LisbonEvents, sights, food & souvenirs
Check event dates locallyPortugal's hilly capital on the Tagus estuary, visited for its tiled streets, trams, viewpoints, fado music and seafood.
Lisbon Book FairDate variesUsually late May to mid-June
A large outdoor book fair.
Why go: Evenings are lively.
Where: Parque Eduardo VII
Coming up later
Santo António (Festas de Lisboa)Every yearMain night 12-13 June every year; festivities run through June
Street parties with grilled sardines and the marchas populares parade.
Why go: The old districts are packed on 12 June night.
Where: Alfama, Mouraria and Avenida da Liberdade
NOS AliveDate variesUsually early to mid-July
A major music festival on the river west of Lisbon.
Why go: Accommodation fills early.
Where: Passeio Marítimo de Algés
Alfama
The oldest district, a maze of lanes below São Jorge Castle.
💡 Best explored on foot; wear shoes with grip on the polished cobbles.
Belém
Riverside district with the Jerónimos Monastery and Belém Tower.
São Jorge Castle
A hilltop Moorish castle with views over the city.
Tram 28
A historic tram route through the old districts.
💡 It is very crowded and a known pickpocket hotspot.
Miradouros
Viewpoints such as Senhora do Monte and Santa Luzia.
Sintra
Palaces and forested hills about 40 minutes by train.
Pastel de nata
Custard tart with flaky pastry.
💡 Belém and bakeries across the city
Bacalhau
Salt cod, cooked in countless ways.
💡 Traditional tascas
Grilled sardines
A summer staple, especially in June.
💡 Street grills in Alfama during the June festivals
Bifana
A pork cutlet sandwich.
💡 Snack bars
Ginjinha
A sour cherry liqueur.
💡 Small bars around Rossio
Azulejos
Hand-painted ceramic tiles.
💡 Tile shops and workshops
Tinned fish
Sardines and other fish in decorative tins.
💡 Specialty shops
Port wine
Fortified wine from northern Portugal.
💡 Wine shops
Cork products
Bags and accessories made from Portuguese cork.
💡 Gift shops