VacationSelector
The cathedral and Great St. Martin on the Rhine, Cologne
CologneThe cathedral and Great St. Martin on the Rhine
The Botanical Building, Balboa Park, San Diego
San DiegoThe Botanical Building, Balboa Park

Photos: Cologne by Jörg Braukmann, CC BY-SA 4.0, cropped; San Diego by Bernard Gagnon, CC BY-SA 3.0, cropped.

Cologne 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 Cologne for

  • getting around
  • day trips
  • prices

What lies behind each score is written up on Cologne’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. Cologne 14, San Diego 72: San Diego leads by 58 points.
Food & drink. Cologne 52, San Diego 62: San Diego leads by 10 points.
Culture & sights. Cologne 67, San Diego 50: Cologne leads by 17 points.
Nightlife. Cologne 66, San Diego 48: Cologne leads by 18 points.
Nature & outdoors. Cologne 56, San Diego 77: San Diego leads by 21 points.
Day trips. Cologne 80, San Diego 60: Cologne leads by 20 points.
Good for families. Cologne 70, San Diego 96: San Diego leads by 26 points.
Getting around. Cologne 74, San Diego 38: Cologne leads by 36 points.
Shopping & style. Cologne 57, San Diego 44: Cologne leads by 13 points.
Affordability. Cologne 46, San Diego 26: Cologne leads by 20 points.
Live music & performing arts. Cologne 68, San Diego 56: Cologne leads by 12 points.
Wellness & relaxation. Cologne 50, San Diego 45: Cologne leads by 5 points.
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What lies behind each score is written up on the two cities’ own pages: Cologne and San Diego.

Your match

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

Too close to call, 2 points apart

Cologne
58match

Wins on getting around and day trips 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.

Cologne in July

25 °Cdaytime high
16 °Cnight-time low
81 mmrain in the month
7 hsunshine a day
No seasea
16 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°5°10°15°20°25°JFMAMJJASOND

Rainfall in the month, mm

020406080100JFMAMJJASOND
CologneSan Diego

Temperature and rainfall are climate normals, averaged over the years shown. Cologne: 1991-2020 normals, Köln-Stammheim (5.4 km from centre). San Diego: 1991-2020 normals, San Diego International Airport (2.8 km from centre).

Before you go

MeasureCologneSan Diego
Official languageGerman-
CurrencyEuro (EUR)US Dollar (USD)
SocketsCF230 V, 50 HzAB120 V, 60 Hz
Driving sideRightRight
Time zoneUTC+1, UTC+2 in summerUTC-8, UTC-7 in summer
Emergency number112911
Elevation59 m129 m
Main airportCologne Bonn Airport (CGN)15 km from centre115 non-stop destinationsSan Diego International Airport (SAN)3 km from centre87 non-stop destinations
Public holidays this year11 days13 days

By the numbers

MeasureCologneSan Diego
City population1,025,5231,386,932
People per km²2,5321,438
Museums within 10 km4026
UNESCO World Heritage sites within 50 km30
Swim season, months above 21 °C-1 month

Where else could you go?

Every comparison below shares a destination with this one, so you can follow Cologne 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. 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. Sea surface temperature from NOAA OISST v2.1, NOAA Physical Sciences Laboratory. 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.