VacationSelector
The floating torii of Itsukushima at Miyajima, Hiroshima
HiroshimaThe floating torii of Itsukushima at Miyajima
A cobbled street of painted houses in Old San Juan, San Juan
San JuanA cobbled street of painted houses in Old San Juan

Photos: Hiroshima by Guohua Song, Pexels License; San Juan by Mohan Nannapaneni, Pexels License.

Hiroshima 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 Hiroshima for

  • getting around
  • day trips
  • prices

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

Choose San Juan for

  • beaches
  • nightlife
  • live music and the arts

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. Hiroshima 30, San Juan 84: San Juan leads by 54 points.
Food & drink. Hiroshima and San Juan are level on 66.
Culture & sights. Hiroshima 60, San Juan 64: San Juan leads by 4 points.
Nightlife. Hiroshima 45, San Juan 70: San Juan leads by 25 points.
Nature & outdoors. Hiroshima 62, San Juan 74: San Juan leads by 12 points.
Day trips. Hiroshima 80, San Juan 52: Hiroshima leads by 28 points.
Good for families. Hiroshima 60, San Juan 58: Hiroshima leads by 2 points.
Getting around. Hiroshima 74, San Juan 38: Hiroshima leads by 36 points.
Shopping & style. Hiroshima 52, San Juan 50: Hiroshima leads by 2 points.
Affordability. Hiroshima 58, San Juan 38: Hiroshima leads by 20 points.
Live music & performing arts. Hiroshima 38, San Juan 55: San Juan leads by 17 points.
Wellness & relaxation. Hiroshima 50, San Juan 40: Hiroshima leads by 10 points.
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What lies behind each score is written up on the two cities’ own pages: Hiroshima and San Juan.

Your match

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

Too close to call, 1 point apart

Hiroshima
56match

Wins on getting around and day trips with your weighting.

San Juan
57match

Wins on beaches and nightlife with your weighting.

What matters to you?

When should you go?

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

Hiroshima in July

31 °Cdaytime high
24 °Cnight-time low
299 mmrain in the month
6 hsunshine a day
24 °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

0100200300JFMAMJJASOND
HiroshimaSan Juan

Temperature and rainfall are climate normals, averaged over the years shown. Hiroshima: 1991-2020 normals, Hiroshima (1.7 km from centre). San Juan: 1991-2020 normals, San Juan / Int., Puerto Rico (12.8 km from centre).

Before you go

MeasureHiroshimaSan 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
Elevation3 m3 m
Main airportHiroshima Airport (HIJ)43 km from centre10 non-stop destinationsLuis Munoz Marin International Airport (SJU)12 km from centre59 non-stop destinations
Public holidays this year16 days21 days

By the numbers

MeasureHiroshimaSan Juan
City population1,198,021342,259
People per km²1,3242,847
Museums within 10 km1818
UNESCO World Heritage sites within 50 km21
Swim season, months above 21 °C4 months12 months

Where else could you go?

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

Browse every destination

Sources

Ground elevations sampled from the Mapzen terrain tiles via OpenTopoData, merging SRTM, ASTER, NED, EU-DEM and national 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.