VacationSelector
The Blue Mosque, Istanbul
IstanbulThe Blue Mosque
The Botanical Building, Balboa Park, San Diego
San DiegoThe Botanical Building, Balboa Park

Photos: Istanbul by AXP Photography, Pexels License; San Diego by Bernard Gagnon, CC BY-SA 3.0, cropped.

Istanbul 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 Istanbul for

  • shopping
  • culture and sights
  • prices

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

Choose San Diego for

  • families
  • beaches
  • 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. Istanbul 45, San Diego 72: San Diego leads by 27 points.
Food & drink. Istanbul 87, San Diego 62: Istanbul leads by 25 points.
Culture & sights. Istanbul 90, San Diego 50: Istanbul leads by 40 points.
Nightlife. Istanbul 77, San Diego 48: Istanbul leads by 29 points.
Nature & outdoors. Istanbul 52, San Diego 77: San Diego leads by 25 points.
Day trips. Istanbul 55, San Diego 60: San Diego leads by 5 points.
Good for families. Istanbul 55, San Diego 96: San Diego leads by 41 points.
Getting around. Istanbul 62, San Diego 38: Istanbul leads by 24 points.
Shopping & style. Istanbul 86, San Diego 44: Istanbul leads by 42 points.
Affordability. Istanbul 60, San Diego 26: Istanbul leads by 34 points.
Live music & performing arts. Istanbul 62, San Diego 56: Istanbul leads by 6 points.
Wellness & relaxation. Istanbul 75, San Diego 45: Istanbul leads by 30 points.
0255075100

What lies behind each score is written up on the two cities’ own pages: Istanbul and San Diego.

Your match

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

Istanbul
Best match
67match

Wins on shopping and culture and sights with your weighting.

San Diego
56match

Wins on families and beaches with your weighting.

What matters to you?

When should you go?

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

Istanbul in July

30 °Cdaytime high
21 °Cnight-time low
23 mmrain in the month
11 hsunshine a day
23 °Csea
15 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

0255075100125JFMAMJJASOND
IstanbulSan Diego

Temperature and rainfall are climate normals, averaged over the years shown. Istanbul: 1991-2020 normals, Istanbul / Goztepe (9.9 km from centre). San Diego: 1991-2020 normals, San Diego International Airport (2.8 km from centre).

Before you go

MeasureIstanbulSan Diego
Official languageTurkish-
CurrencyTurkish Lira (TRY)US Dollar (USD)
SocketsCF230 V, 50 HzAB120 V, 60 Hz
Driving sideRightRight
Time zoneUTC+3UTC-8, UTC-7 in summer
Emergency number112911
Elevation100 m129 m
Main airportİstanbul Airport (IST)36 km from centre343 non-stop destinationsSan Diego International Airport (SAN)3 km from centre87 non-stop destinations
Public holidays this year14 days13 days

By the numbers

MeasureIstanbulSan Diego
City population15,655,9241,386,932
People per km²2,9301,438
Museums within 10 km7326
UNESCO World Heritage sites within 50 km10
Swim season, months above 21 °C3 months1 month

Where else could you go?

Every comparison below shares a destination with this one, so you can follow Istanbul 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). Tourism statistics from Eurostat, © European Union, reused under CC BY 4.0. 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.