VacationSelector
The Esplanade boardwalk and its palms, Cairns
CairnsThe Esplanade boardwalk and its palms
A cobbled street of painted houses in Old San Juan, San Juan
San JuanA cobbled street of painted houses in Old San Juan

Photos: Cairns by Donaldytong, Public domain; San Juan by Mohan Nannapaneni, Pexels License.

Cairns 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 Cairns for

  • nature and the outdoors
  • families
  • getting around

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

Choose San Juan for

  • culture and sights
  • live music and the arts
  • nightlife

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. Cairns 62, San Juan 84: San Juan leads by 22 points.
Food & drink. Cairns 40, San Juan 66: San Juan leads by 26 points.
Culture & sights. Cairns 22, San Juan 64: San Juan leads by 42 points.
Nightlife. Cairns 42, San Juan 70: San Juan leads by 28 points.
Nature & outdoors. Cairns 95, San Juan 74: Cairns leads by 21 points.
Day trips. Cairns 45, San Juan 52: San Juan leads by 7 points.
Good for families. Cairns 66, San Juan 58: Cairns leads by 8 points.
Getting around. Cairns 45, San Juan 38: Cairns leads by 7 points.
Shopping & style. Cairns 28, San Juan 50: San Juan leads by 22 points.
Affordability. Cairns 35, San Juan 38: San Juan leads by 3 points.
Live music & performing arts. Cairns 22, San Juan 55: San Juan leads by 33 points.
Wellness & relaxation. Cairns 45, San Juan 40: Cairns leads by 5 points.
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What lies behind each score is written up on the two cities’ own pages: Cairns and San Juan.

Your match

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

Cairns
46match

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

San Juan
Best match
57match

Wins on culture and sights and live music and the arts with your weighting.

What matters to you?

When should you go?

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

Cairns in July

24 °Cdaytime high
20 °Cnight-time low
30 mmrain in the month
No recordsunshine a day
24 °Csea
11 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

0200400600JFMAMJJASOND
CairnsSan Juan

Where the figures come from

Cairns's temperatures are measured 27 km from the centre, at Green Island Aws.

Cairns has no rain gauge within 25 km of the centre, so its rainfall comes from a gridded climate dataset read at the city rather than from a gauge further away.

Temperature and rainfall are climate normals, averaged over the years shown. Cairns: 1993-2010 (rainfall 1991-2020) normals, Green Island Aws (27 km from centre). San Juan: 1991-2020 normals, San Juan / Int., Puerto Rico (12.8 km from centre).

Before you go

MeasureCairnsSan Juan
Official languageEnglishSpanish, English
CurrencyAustralian Dollar (AUD)US Dollar (USD)
SocketsI230 V, 50 HzAB120 V, 60 Hz
Driving sideLeftRight
Time zoneUTC+10UTC-4
Emergency number000911
Elevation7 m3 m
Main airportCairns International Airport (CNS)6 km from centre32 non-stop destinationsLuis Munoz Marin International Airport (SJU)12 km from centre59 non-stop destinations
Public holidays this year11 days21 days

By the numbers

MeasureCairnsSan Juan
City population146,778342,259
People per km²3012,847
Museums within 10 km118
UNESCO World Heritage sites within 50 km11
Swim season, months above 21 °C12 months12 months

Where else could you go?

Every comparison below shares a destination with this one, so you can follow Cairns 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 2026-11-01. Daily budgets are estimates from country price levels.