VacationSelector
Rabelo boats on the Douro and the Ribeira, Porto
PortoRabelo boats on the Douro and the Ribeira
A cobbled street of painted houses in Old San Juan, San Juan
San JuanA cobbled street of painted houses in Old San Juan

Photos: Porto by Jakub Hałun, CC BY 4.0, cropped; San Juan by Mohan Nannapaneni, Pexels License.

Porto or San Juan?

Our verdict in twelve categories, each scored against the same fixed benchmark cities, and the climate month by month, so you can choose for your trip.

Choose Porto for

  • getting around
  • day trips
  • prices

What lies behind each score is written up on Porto’s own page.

Choose San Juan for

  • beaches
  • nature and the outdoors
  • families

What lies behind each score is written up on San Juan’s own page.

Scoreboard

Twelve categories on one fixed scale from 0 to 100. The shaded stretch is the gap between the two.

Beaches & swimming. Porto 40, San Juan 84: San Juan leads by 44 points.
Food & drink. Porto 70, San Juan 66: Porto leads by 4 points.
Culture & sights. Porto 68, San Juan 64: Porto leads by 4 points.
Nightlife. Porto 65, San Juan 70: San Juan leads by 5 points.
Nature & outdoors. Porto 64, San Juan 74: San Juan leads by 10 points.
Day trips. Porto 79, San Juan 52: Porto leads by 27 points.
Good for families. Porto 52, San Juan 58: San Juan leads by 6 points.
Getting around. Porto 66, San Juan 38: Porto leads by 28 points.
Shopping & style. Porto 52, San Juan 50: Porto leads by 2 points.
Affordability. Porto 62, San Juan 38: Porto leads by 24 points.
Live music & performing arts. Porto 52, San Juan 55: San Juan leads by 3 points.
Wellness & relaxation. Porto 34, San Juan 40: San Juan leads by 6 points.
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What lies behind each score is written up on the two cities’ own pages: Porto and San Juan.

Your match

Pick a travel style or drag the sliders, and both match scores follow your weighting.

Too close to call, 2 points apart

Porto
59match

Wins on getting around and day trips with your weighting.

San Juan
57match

Wins on beaches and nature and the outdoors with your weighting.

What matters to you?

When should you go?

Pick your month. The climate figures are measured averages, not a forecast.

Porto in July

25 °Cdaytime high
16 °Cnight-time low
22 mmrain in the month
10 hsunshine a day
17 °Csea
15 hdaylight a day

San Juan in July

32 °Cdaytime high
25 °Cnight-time low
153 mmrain in the month
9 hsunshine a day
28 °Csea
13 hdaylight a day

Daytime high, °C

0°10°20°30°40°JFMAMJJASOND

Rainfall in the month, mm

050100150200JFMAMJJASOND
PortoSan Juan

Temperature and rainfall are climate normals, averaged over the years shown. Porto: 1991-2020 normals, Porto / Serra Do Pilar (2.1 km from centre). San Juan: 1991-2020 normals, San Juan / Int., Puerto Rico (12.8 km from centre).

Before you go

MeasurePortoSan Juan
Official languagePortugueseSpanish, English
CurrencyEuro (EUR)US Dollar (USD)
SocketsCF230 V, 50 HzAB120 V, 60 Hz
Driving sideRightRight
Time zoneUTC, UTC+1 in summerUTC-4
Emergency number112911
Elevation104 m3 m
Main airportFrancisco de Sá Carneiro Airport (OPO)12 km from centre134 non-stop destinationsLuis Munoz Marin International Airport (SJU)12 km from centre59 non-stop destinations
Public holidays this year14 days21 days

By the numbers

MeasurePortoSan Juan
City population273,476342,259
People per km²6,6062,847
Museums within 10 km4218
UNESCO World Heritage sites within 50 km31
Swim season, months above 21 °CNone12 months

Where else could you go?

Every comparison below shares a destination with this one, so you can follow Porto or San Juan somewhere new.

Browse every destination

Sources

Structured data from Wikidata (CC0). Weather data by Meteostat. Meteorological data provided by NOAA, DWD and others. Rainfall where no rain gauge is within 25 km is from the TerraClimate 1991-2020 climatology (Abatzoglou et al. 2018, Scientific Data), read at the city. Sea surface temperature from NOAA OISST v2.1, NOAA Physical Sciences Laboratory. Airport data from OurAirports (public domain). Tourism statistics from Eurostat, © European Union, reused under CC BY 4.0. Public holidays from Nager.Date (MIT). Non-stop route lists from the "Airlines and destinations" tables on English Wikipedia airport articles, by Wikipedia contributors, reused under CC BY-SA 4.0. Currency from the ISO 4217 register maintained by SIX, cross-checked against country data from GeoNames (CC BY 4.0). Price level from World Bank open data (PPP conversion factor for private consumption and official exchange rate), CC BY 4.0. Time zones from GeoNames (CC BY 4.0); clock offsets computed from the IANA time zone database. Exchange rates via Frankfurter, based on European Central Bank reference rates. Daylight hours computed from each destination's latitude using the NOAA solar position algorithm.

Category scores are our editorial verdict under rubric v3, each placed against the same fixed benchmark cities; the climate figures are measured. How the scores are set. Snapshot generated 2026-10-31. Daily budgets are estimates from country price levels.