VacationSelector
The Colosseum, Rome
RomeThe Colosseum
The Botanical Building, Balboa Park, San Diego
San DiegoThe Botanical Building, Balboa Park

Photos: Rome by Tournasol7, CC BY-SA 4.0, cropped; San Diego by Bernard Gagnon, CC BY-SA 3.0, cropped.

Rome 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 Rome for

  • culture and sights
  • day trips
  • shopping

What lies behind each score is written up on Rome’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. Rome 50, San Diego 72: San Diego leads by 22 points.
Food & drink. Rome 82, San Diego 62: Rome leads by 20 points.
Culture & sights. Rome 99, San Diego 50: Rome leads by 49 points.
Nightlife. Rome 58, San Diego 48: Rome leads by 10 points.
Nature & outdoors. Rome 58, San Diego 77: San Diego leads by 19 points.
Day trips. Rome 92, San Diego 60: Rome leads by 32 points.
Good for families. Rome 50, San Diego 96: San Diego leads by 46 points.
Getting around. Rome 60, San Diego 38: Rome leads by 22 points.
Shopping & style. Rome 72, San Diego 44: Rome leads by 28 points.
Affordability. Rome 38, San Diego 26: Rome leads by 12 points.
Live music & performing arts. Rome 68, San Diego 56: Rome leads by 12 points.
Wellness & relaxation. Rome 40, San Diego 45: San Diego leads by 5 points.
0255075100

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

Your match

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

Rome
Best match
64match

Wins on culture and sights and day trips 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.

Rome in July

31 °Cdaytime high
19 °Cnight-time low
21 mmrain in the month
11 hsunshine a day
25 °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°40°JFMAMJJASOND

Rainfall in the month, mm

0255075100125JFMAMJJASOND
RomeSan Diego

Where the figures come from

Rome's sunshine is measured 31 km from the centre, at Vigna Di Valle.

Temperature and rainfall are climate normals, averaged over the years shown. Rome: 1991-2020 normals, Roma / Ciampino (15.1 km from centre). San Diego: 1991-2020 normals, San Diego International Airport (2.8 km from centre).

Before you go

MeasureRomeSan Diego
Official languageItalian-
CurrencyEuro (EUR)US Dollar (USD)
SocketsCFL230 V, 50 HzAB120 V, 60 Hz
Driving sideRightRight
Time zoneUTC+1, UTC+2 in summerUTC-8, UTC-7 in summer
Emergency number112911
Elevation21 m129 m
Main airportRome–Fiumicino Leonardo da Vinci International Airport (FCO)23 km from centre242 non-stop destinationsSan Diego International Airport (SAN)3 km from centre87 non-stop destinations
Public holidays this year13 days13 days

By the numbers

MeasureRomeSan Diego
City population2,748,1091,386,932
People per km²2,1351,438
Museums within 10 km17826
UNESCO World Heritage sites within 50 km70
Swim season, months above 21 °C5 months1 month

Where else could you go?

Every comparison below shares a destination with this one, so you can follow Rome 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). 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.