VacationSelector
The Turtle Tower in Hoan Kiem Lake, Hanoi
HanoiThe Turtle Tower in Hoan Kiem Lake
A cobbled street of painted houses in Old San Juan, San Juan
San JuanA cobbled street of painted houses in Old San Juan

Photos: Hanoi by xiquinhosilva, CC BY 2.0, cropped; San Juan by Mohan Nannapaneni, Pexels License.

Hanoi 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 Hanoi for

  • prices
  • food and drink
  • culture and sights

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

Choose San Juan for

  • beaches
  • families
  • nature and the outdoors

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. Hanoi 6, San Juan 84: San Juan leads by 78 points.
Food & drink. Hanoi 85, San Juan 66: Hanoi leads by 19 points.
Culture & sights. Hanoi 72, San Juan 64: Hanoi leads by 8 points.
Nightlife. Hanoi 50, San Juan 70: San Juan leads by 20 points.
Nature & outdoors. Hanoi 52, San Juan 74: San Juan leads by 22 points.
Day trips. Hanoi 58, San Juan 52: Hanoi leads by 6 points.
Good for families. Hanoi 35, San Juan 58: San Juan leads by 23 points.
Getting around. Hanoi 36, San Juan 38: San Juan leads by 2 points.
Shopping & style. Hanoi and San Juan are level on 50.
Affordability. Hanoi 98, San Juan 38: Hanoi leads by 60 points.
Live music & performing arts. Hanoi 40, San Juan 55: San Juan leads by 15 points.
Wellness & relaxation. Hanoi 46, San Juan 40: Hanoi leads by 6 points.
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What lies behind each score is written up on the two cities’ own pages: Hanoi and San Juan.

Your match

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

Hanoi
52match

Wins on prices and food and drink with your weighting.

San Juan
Best match
57match

Wins on beaches and families with your weighting.

What matters to you?

When should you go?

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

Hanoi in July

34 °Cdaytime high
27 °Cnight-time low
311 mmrain in the month
6 hsunshine a day
No seasea
13 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

0100200300400JFMAMJJASOND
HanoiSan Juan

Where the figures come from

Hanoi's sunshine is measured 86 km from the centre, at Phu Lien.

Temperature and rainfall are climate normals, averaged over the years shown. Hanoi: 1991-2020 normals, Ha Noi (4.4 km from centre). San Juan: 1991-2020 normals, San Juan / Int., Puerto Rico (12.8 km from centre).

Before you go

MeasureHanoiSan Juan
Official languageVietnameseSpanish, English
CurrencyDong (VND)US Dollar (USD)
SocketsACFG220 V, 50 HzAB120 V, 60 Hz
Driving sideRightRight
Time zoneUTC+7UTC-4
Emergency numberPolice 113, ambulance 115, fire 114911
Elevation10 m3 m
Main airportNoi Bai International Airport (HAN)22 km from centre91 non-stop destinationsLuis Munoz Marin International Airport (SJU)12 km from centre59 non-stop destinations
Public holidays this year-21 days

By the numbers

MeasureHanoiSan Juan
City population8,717,600342,259
People per km²2,5952,847
Museums within 10 km1418
UNESCO World Heritage sites within 50 km11
Swim season, months above 21 °C-12 months

Where else could you go?

Every comparison below shares a destination with this one, so you can follow Hanoi 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. Airport data from OurAirports (public domain). 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. Sea surface temperature from NOAA OISST v2.1, NOAA Physical Sciences Laboratory. Public holidays from Nager.Date (MIT). 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.