VacationSelector
The Anshun Bridge over the Jin River, Chengdu
ChengduThe Anshun Bridge over the Jin River
A cobbled street of painted houses in Old San Juan, San Juan
San JuanA cobbled street of painted houses in Old San Juan

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

Chengdu 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 Chengdu for

  • prices
  • getting around
  • day trips

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

Choose San Juan for

  • beaches
  • nature and the outdoors
  • 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. Chengdu 5, San Juan 84: San Juan leads by 79 points.
Food & drink. Chengdu 86, San Juan 66: Chengdu leads by 20 points.
Culture & sights. Chengdu 60, San Juan 64: San Juan leads by 4 points.
Nightlife. Chengdu 68, San Juan 70: San Juan leads by 2 points.
Nature & outdoors. Chengdu 68, San Juan 74: San Juan leads by 6 points.
Day trips. Chengdu 80, San Juan 52: Chengdu leads by 28 points.
Good for families. Chengdu 65, San Juan 58: Chengdu leads by 7 points.
Getting around. Chengdu 74, San Juan 38: Chengdu leads by 36 points.
Shopping & style. Chengdu 64, San Juan 50: Chengdu leads by 14 points.
Affordability. Chengdu 80, San Juan 38: Chengdu leads by 42 points.
Live music & performing arts. Chengdu 50, San Juan 55: San Juan leads by 5 points.
Wellness & relaxation. Chengdu 58, San Juan 40: Chengdu leads by 18 points.
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What lies behind each score is written up on the two cities’ own pages: Chengdu and San Juan.

Your match

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

Chengdu
Best match
63match

Wins on prices and getting around 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.

Chengdu in July

31 °Cdaytime high
23 °Cnight-time low
177 mmrain in the month
4 hsunshine a day
No seasea
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

050100150200250JFMAMJJASOND
ChengduSan Juan

Temperature and rainfall are climate normals, averaged over the years shown. Chengdu: 1991-2020 normals, Chengdu (4.5 km from centre). San Juan: 1991-2020 normals, San Juan / Int., Puerto Rico (12.8 km from centre).

Before you go

MeasureChengduSan Juan
Official languagePutonghuaSpanish, English
CurrencyYuan Renminbi (CNY)US Dollar (USD)
SocketsACI220 V, 50 HzAB120 V, 60 Hz
Driving sideRightRight
Time zoneUTC+8UTC-4
Emergency numberPolice 110, ambulance 120, fire 119911
Elevation500 m3 m
Main airportChengdu Shuangliu International Airport (CTU)16 km from centre77 non-stop destinationsLuis Munoz Marin International Airport (SJU)12 km from centre59 non-stop destinations
Public holidays this year6 days21 days

By the numbers

MeasureChengduSan Juan
City population20,937,757342,259
People per km²1,4562,847
Museums within 10 km1018
UNESCO World Heritage sites within 50 km01
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 Chengdu 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). 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. Sea surface temperature from NOAA OISST v2.1, NOAA Physical Sciences Laboratory. 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 2026-11-01. Daily budgets are estimates from country price levels.