VacationSelector
The Teatro Colón, Buenos Aires
Buenos AiresThe Teatro Colón
The Botanical Building, Balboa Park, San Diego
San DiegoThe Botanical Building, Balboa Park

Photos: Buenos Aires by Bernard Gagnon, CC BY-SA 4.0, cropped; San Diego by Bernard Gagnon, CC BY-SA 3.0, cropped.

Buenos Aires or San Diego?

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 Buenos Aires for

  • nightlife
  • prices
  • getting around

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

Choose San Diego for

  • beaches
  • families
  • nature and the outdoors

What lies behind each score is written up on San Diego’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. Buenos Aires 7, San Diego 72: San Diego leads by 65 points.
Food & drink. Buenos Aires 75, San Diego 62: Buenos Aires leads by 13 points.
Culture & sights. Buenos Aires 71, San Diego 50: Buenos Aires leads by 21 points.
Nightlife. Buenos Aires 95, San Diego 48: Buenos Aires leads by 47 points.
Nature & outdoors. Buenos Aires 38, San Diego 77: San Diego leads by 39 points.
Day trips. Buenos Aires and San Diego are level on 60.
Good for families. Buenos Aires 52, San Diego 96: San Diego leads by 44 points.
Getting around. Buenos Aires 62, San Diego 38: Buenos Aires leads by 24 points.
Shopping & style. Buenos Aires 60, San Diego 44: Buenos Aires leads by 16 points.
Affordability. Buenos Aires 55, San Diego 26: Buenos Aires leads by 29 points.
Live music & performing arts. Buenos Aires 75, San Diego 56: Buenos Aires leads by 19 points.
Wellness & relaxation. Buenos Aires 28, San Diego 45: San Diego leads by 17 points.
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What lies behind each score is written up on the two cities’ own pages: Buenos Aires and San Diego.

Your match

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

Too close to call, 1 point apart

Buenos Aires
57match

Wins on nightlife and prices with your weighting.

San Diego
56match

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.

Buenos Aires in July

15 °Cdaytime high
8 °Cnight-time low
50 mmrain in the month
5 hsunshine a day
13 °Csea
10 hdaylight a day

San Diego in July

24 °Cdaytime high
19 °Cnight-time low
2 mmrain in the month
No recordsunshine a day
20 °Csea
14 hdaylight a day

Daytime high, °C

0°10°20°30°JFMAMJJASOND

Rainfall in the month, mm

050100150JFMAMJJASOND
Buenos AiresSan Diego

Temperature and rainfall are climate normals, averaged over the years shown. Buenos Aires: 1991-2020 normals, Aeroparque Bs. As. Aerodrome (4.9 km from centre). San Diego: 1991-2020 normals, San Diego International Airport (2.8 km from centre).

Before you go

MeasureBuenos AiresSan Diego
Official languageSpanish-
CurrencyArgentine Peso (ARS)US Dollar (USD)
SocketsCI220 V, 50 HzAB120 V, 60 Hz
Driving sideLeftRight
Time zoneUTC-3UTC-8, UTC-7 in summer
Emergency number117 or 911911
Elevation25 m129 m
Main airportEzeiza International Airport - Ministro Pistarini (EZE)28 km from centre48 non-stop destinationsSan Diego International Airport (SAN)3 km from centre87 non-stop destinations
Public holidays this year16 days13 days

By the numbers

MeasureBuenos AiresSan Diego
City population3,121,7071,386,932
People per km²15,3551,438
Museums within 10 km7626
UNESCO World Heritage sites within 50 km10
Swim season, months above 21 °C4 months1 month

Where else could you go?

Every comparison below shares a destination with this one, so you can follow Buenos Aires or San Diego 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). 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. 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.