VacationSelector
Shitennō-ji temple, Osaka
OsakaShitennō-ji temple
A cobbled street of painted houses in Old San Juan, San Juan
San JuanA cobbled street of painted houses in Old San Juan

Photos: Osaka by Sarmat Batagov, Pexels License; San Juan by Mohan Nannapaneni, Pexels License.

Osaka 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 Osaka for

  • getting around
  • day trips
  • families

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

Choose San Juan for

  • beaches
  • nature and the outdoors
  • culture and sights

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. Osaka 34, San Juan 84: San Juan leads by 50 points.
Food & drink. Osaka 91, San Juan 66: Osaka leads by 25 points.
Culture & sights. Osaka 63, San Juan 64: San Juan leads by 1 points.
Nightlife. Osaka 80, San Juan 70: Osaka leads by 10 points.
Nature & outdoors. Osaka 58, San Juan 74: San Juan leads by 16 points.
Day trips. Osaka 97, San Juan 52: Osaka leads by 45 points.
Good for families. Osaka 88, San Juan 58: Osaka leads by 30 points.
Getting around. Osaka 90, San Juan 38: Osaka leads by 52 points.
Shopping & style. Osaka 80, San Juan 50: Osaka leads by 30 points.
Affordability. Osaka 60, San Juan 38: Osaka leads by 22 points.
Live music & performing arts. Osaka 66, San Juan 55: Osaka leads by 11 points.
Wellness & relaxation. Osaka 66, San Juan 40: Osaka leads by 26 points.
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What lies behind each score is written up on the two cities’ own pages: Osaka and San Juan.

Your match

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

Osaka
Best match
73match

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.

Osaka in July

32 °Cdaytime high
25 °Cnight-time low
175 mmrain in the month
6 hsunshine a day
25 °Csea
14 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
OsakaSan Juan

Temperature and rainfall are climate normals, averaged over the years shown. Osaka: 1991-2020 normals, Osaka (1.8 km from centre). San Juan: 1991-2020 normals, San Juan / Int., Puerto Rico (12.8 km from centre).

Before you go

MeasureOsakaSan Juan
Official languageJapaneseSpanish, English
CurrencyYen (JPY)US Dollar (USD)
SocketsAB100 V, 50 and 60 Hz depending on the regionAB120 V, 60 Hz
Driving sideLeftRight
Time zoneUTC+9UTC-4
Emergency numberPolice 110, fire 119911
Elevation20 m3 m
Main airportKansai International Airport (KIX)38 km from centre62 non-stop destinationsLuis Munoz Marin International Airport (SJU)12 km from centre59 non-stop destinations
Public holidays this year16 days21 days

By the numbers

MeasureOsakaSan Juan
City population2,751,862342,259
People per km²12,3402,847
Museums within 10 km4418
UNESCO World Heritage sites within 50 km61
Swim season, months above 21 °C5 months12 months

Where else could you go?

Every comparison below shares a destination with this one, so you can follow Osaka 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). 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. 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.