VacationSelector
The Botanical Building, Balboa Park, San Diego
San DiegoThe Botanical Building, Balboa Park
The Opera House from the water, Sydney
SydneyThe Opera House from the water

Photos: San Diego by Bernard Gagnon, CC BY-SA 3.0, cropped; Sydney by Bernard Spragg, CC0.

San Diego or Sydney?

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 San Diego for

  • families
  • day trips
  • prices

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

Choose Sydney for

  • getting around
  • shopping
  • beaches

What lies behind each score is written up on Sydney’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. San Diego 72, Sydney 95: Sydney leads by 23 points.
Food & drink. San Diego 62, Sydney 77: Sydney leads by 15 points.
Culture & sights. San Diego 50, Sydney 60: Sydney leads by 10 points.
Nightlife. San Diego 48, Sydney 60: Sydney leads by 12 points.
Nature & outdoors. San Diego 77, Sydney 85: Sydney leads by 8 points.
Day trips. San Diego 60, Sydney 50: San Diego leads by 10 points.
Good for families. San Diego 96, Sydney 75: San Diego leads by 21 points.
Getting around. San Diego 38, Sydney 75: Sydney leads by 37 points.
Shopping & style. San Diego 44, Sydney 68: Sydney leads by 24 points.
Affordability. San Diego 26, Sydney 22: San Diego leads by 4 points.
Live music & performing arts. San Diego 56, Sydney 73: Sydney leads by 17 points.
Wellness & relaxation. San Diego 45, Sydney 55: Sydney leads by 10 points.
0255075100

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

Your match

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

San Diego
56match

Wins on families and day trips with your weighting.

Sydney
Best match
66match

Wins on getting around and shopping with your weighting.

What matters to you?

When should you go?

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

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

Sydney in July

18 °Cdaytime high
9 °Cnight-time low
70 mmrain in the month
7 hsunshine a day
19 °Csea
10 hdaylight a day

Daytime high, °C

0°10°20°30°JFMAMJJASOND

Rainfall in the month, mm

0255075100125JFMAMJJASOND
San DiegoSydney

Temperature and rainfall are climate normals, averaged over the years shown. San Diego: 1991-2020 normals, San Diego International Airport (2.8 km from centre). Sydney: 1991-2020 normals, Sydney Airport (3.7 km from centre).

Before you go

MeasureSan DiegoSydney
Official language-English
CurrencyUS Dollar (USD)Australian Dollar (AUD)
SocketsAB120 V, 60 HzI230 V, 50 Hz
Driving sideRightLeft
Time zoneUTC-8, UTC-7 in summerUTC+10, UTC+11 in summer
Emergency number911000
Elevation129 m6 m
Main airportSan Diego International Airport (SAN)3 km from centre87 non-stop destinationsSydney Kingsford Smith International Airport (SYD)9 km from centre99 non-stop destinations
Public holidays this year13 days11 days

By the numbers

MeasureSan DiegoSydney
City population1,386,9325,450,496
People per km²1,438449
Museums within 10 km2638
UNESCO World Heritage sites within 50 km02
Swim season, months above 21 °C1 month6 months

Where else could you go?

Every comparison below shares a destination with this one, so you can follow San Diego or Sydney 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 2026-10-31. Daily budgets are estimates from country price levels.