VacationSelector
A cobbled street of painted houses in Old San Juan, San Juan
San JuanA cobbled street of painted houses in Old San Juan
The White Tower from the promenade, Thessaloniki
ThessalonikiThe White Tower from the promenade

Photos: San Juan by Mohan Nannapaneni, Pexels License; Thessaloniki by Destinygreece, CC BY-SA 4.0, cropped.

San Juan or Thessaloniki?

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 San Juan for

  • beaches
  • nature and the outdoors
  • families

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

Choose Thessaloniki for

  • prices
  • day trips
  • getting around

What lies behind each score is written up on Thessaloniki’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. San Juan 84, Thessaloniki 55: San Juan leads by 29 points.
Food & drink. San Juan 66, Thessaloniki 77: Thessaloniki leads by 11 points.
Culture & sights. San Juan 64, Thessaloniki 73: Thessaloniki leads by 9 points.
Nightlife. San Juan 70, Thessaloniki 76: Thessaloniki leads by 6 points.
Nature & outdoors. San Juan 74, Thessaloniki 66: San Juan leads by 8 points.
Day trips. San Juan 52, Thessaloniki 74: Thessaloniki leads by 22 points.
Good for families. San Juan 58, Thessaloniki 50: San Juan leads by 8 points.
Getting around. San Juan 38, Thessaloniki 60: Thessaloniki leads by 22 points.
Shopping & style. San Juan and Thessaloniki are level on 50.
Affordability. San Juan 38, Thessaloniki 66: Thessaloniki leads by 28 points.
Live music & performing arts. San Juan 55, Thessaloniki 52: San Juan leads by 3 points.
Wellness & relaxation. San Juan 40, Thessaloniki 33: San Juan leads by 7 points.
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What lies behind each score is written up on the two cities’ own pages: San Juan and Thessaloniki.

Your match

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

San Juan
57match

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

Thessaloniki
Best match
61match

Wins on prices and day trips with your weighting.

What matters to you?

When should you go?

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

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

Thessaloniki in July

32 °Cdaytime high
21 °Cnight-time low
23 mmrain in the month
11 hsunshine a day
26 °Csea
15 hdaylight a day

Daytime high, °C

0°10°20°30°40°JFMAMJJASOND

Rainfall in the month, mm

050100150200JFMAMJJASOND
San JuanThessaloniki

Temperature and rainfall are climate normals, averaged over the years shown. San Juan: 1991-2020 normals, San Juan / Int., Puerto Rico (12.8 km from centre). Thessaloniki: 1991-2020 normals, Thessaloniki Airport (14 km from centre).

Before you go

MeasureSan JuanThessaloniki
Official languageSpanish, EnglishGreek
CurrencyUS Dollar (USD)Euro (EUR)
SocketsAB120 V, 60 HzCF230 V, 50 Hz
Driving sideRightRight
Time zoneUTC-4UTC+2, UTC+3 in summer
Emergency number911112
Elevation3 m6 m
Main airportLuis Munoz Marin International Airport (SJU)12 km from centre59 non-stop destinationsThessaloniki Macedonia International Airport (SKG)14 km from centre90 non-stop destinations
Public holidays this year21 days15 days

By the numbers

MeasureSan JuanThessaloniki
City population342,259309,617
People per km²2,84716,042
Museums within 10 km1832
UNESCO World Heritage sites within 50 km11
Swim season, months above 21 °C12 months5 months

Where else could you go?

Every comparison below shares a destination with this one, so you can follow San Juan or Thessaloniki 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). Public holidays from Nager.Date (MIT). Exchange rates via Frankfurter, based on European Central Bank reference rates. 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. Tourism statistics from Eurostat, © European Union, reused under CC BY 4.0. 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.