VacationSelector
The Aare at Unterseen, Interlaken, Interlaken
InterlakenThe Aare at Unterseen, Interlaken
Painted wooden houses under palms in Key West, Key West
Key WestPainted wooden houses under palms in Key West

Photos: Interlaken by Roy Egloff, CC BY-SA 4.0, cropped; Key West by Dominik Gryzbon, Pexels License.

Interlaken or Key West?

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 Interlaken for

  • day trips
  • nature and the outdoors
  • families

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

Choose Key West for

  • nightlife
  • culture and sights
  • beaches

What lies behind each score is written up on Key West’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. Interlaken 30, Key West 60: Key West leads by 30 points.
Food & drink. Interlaken 25, Key West 45: Key West leads by 20 points.
Culture & sights. Interlaken 8, Key West 40: Key West leads by 32 points.
Nightlife. Interlaken 15, Key West 62: Key West leads by 47 points.
Nature & outdoors. Interlaken 97, Key West 62: Interlaken leads by 35 points.
Day trips. Interlaken 78, Key West 28: Interlaken leads by 50 points.
Good for families. Interlaken 72, Key West 40: Interlaken leads by 32 points.
Getting around. Interlaken 80, Key West 62: Interlaken leads by 18 points.
Shopping & style. Interlaken 22, Key West 30: Key West leads by 8 points.
Affordability. Interlaken 8, Key West 15: Key West leads by 7 points.
Live music & performing arts. Interlaken 15, Key West 38: Key West leads by 23 points.
Wellness & relaxation. Interlaken and Key West are level on 40.
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What lies behind each score is written up on the two cities’ own pages: Interlaken and Key West.

Your match

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

Interlaken
41match

Wins on day trips and nature and the outdoors with your weighting.

Key West
Best match
44match

Wins on nightlife and culture and sights with your weighting.

What matters to you?

When should you go?

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

Interlaken in July

24 °Cdaytime high
14 °Cnight-time low
126 mmrain in the month
No seasea
15 hdaylight a day

Key West in July

32 °Cdaytime high
27 °Cnight-time low
84 mmrain in the month
30 °Csea
14 hdaylight a day

Daytime high, °C

0°10°20°30°40°JFMAMJJASOND

Rainfall in the month, mm

050100150JFMAMJJASOND
InterlakenKey West

Where the figures come from

Interlaken has no rain gauge within 25 km of the centre, so its rainfall comes from a gridded climate dataset read at the city rather than from a gauge further away.

Key West's temperatures are measured 69 km from the centre, at Key West Airport.

Key West has no rain gauge within 25 km of the centre, so its rainfall comes from a gridded climate dataset read at the city rather than from a gauge further away.

Temperature and rainfall are climate normals, averaged over the years shown. Interlaken: 2005-2020 (rainfall 1991-2020) normals, Meiringen / Unterbach (19.3 km from centre). Key West: 1991-2020 normals, Key West Airport (69.1 km from centre).

Before you go

MeasureInterlakenKey West
Official languageFrench, German, Italian, Romansh-
CurrencySwiss Franc (CHF)US Dollar (USD)
SocketsCJ230 V, 50 HzAB120 V, 60 Hz
Driving sideRightRight
Time zoneUTC+1, UTC+2 in summerUTC-5, UTC-4 in summer
Emergency number112911
Elevation571 m4 m
Main airportZürich Airport (ZRH)100 km from centre226 non-stop destinationsKey West International Airport (EYW)2 km from centre24 non-stop destinations
Public holidays this year10 days11 days

By the numbers

MeasureInterlakenKey West
City population6,12326,444
People per km²1,4241,407
Museums within 10 km37
UNESCO World Heritage sites within 50 km20
Swim season, months above 21 °C-12 months

Where else could you go?

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