VacationSelector
Galena Street with the runs of Aspen Mountain, Aspen
AspenGalena Street with the runs of Aspen Mountain
The cathedral facade, Siena
SienaThe cathedral facade

Photos: Aspen by Moroder, CC BY-SA 3.0, cropped; Siena by Raimond Spekking, CC BY-SA 4.0, cropped.

Aspen or Siena?

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 Aspen for

  • nature and the outdoors
  • families
  • shopping

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

Choose Siena for

  • day trips
  • culture and sights
  • prices

What lies behind each score is written up on Siena’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. Aspen 6, Siena 14: Siena leads by 8 points.
Food & drink. Aspen 45, Siena 62: Siena leads by 17 points.
Culture & sights. Aspen 22, Siena 78: Siena leads by 56 points.
Nightlife. Aspen 40, Siena 27: Aspen leads by 13 points.
Nature & outdoors. Aspen 95, Siena 65: Aspen leads by 30 points.
Day trips. Aspen 30, Siena 94: Siena leads by 64 points.
Good for families. Aspen 55, Siena 38: Aspen leads by 17 points.
Getting around. Aspen 72, Siena 60: Aspen leads by 12 points.
Shopping & style. Aspen 50, Siena 35: Aspen leads by 15 points.
Affordability. Aspen 5, Siena 42: Siena leads by 37 points.
Live music & performing arts. Aspen 50, Siena 36: Aspen leads by 14 points.
Wellness & relaxation. Aspen 50, Siena 55: Siena leads by 5 points.
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What lies behind each score is written up on the two cities’ own pages: Aspen and Siena.

Your match

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

Aspen
43match

Wins on nature and the outdoors and families with your weighting.

Siena
Best match
51match

Wins on day trips 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.

Aspen in July

27 °Cdaytime high
10 °Cnight-time low
33 mmrain in the month
15 hdaylight a day

Siena in July

31 °Cdaytime high
17 °Cnight-time low
27 mmrain in the month
15 hdaylight a day

Daytime high, °C

-10°0°10°20°30°40°JFMAMJJASOND

Rainfall in the month, mm

050100150JFMAMJJASOND
AspenSiena

Where the figures come from

Aspen 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.

Siena's temperatures are measured 45 km from the centre, at Arezzo.

Siena 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. Aspen: 2006-2020 (rainfall 1991-2020) normals, Aspen / Woody Creek (5.2 km from centre). Siena: 2006-2017 (rainfall 1991-2020) normals, Arezzo (45 km from centre).

Before you go

MeasureAspenSiena
Official language-Italian
CurrencyUS Dollar (USD)Euro (EUR)
SocketsAB120 V, 60 HzCFL230 V, 50 Hz
Driving sideRightRight
Time zoneUTC-7, UTC-6 in summerUTC+1, UTC+2 in summer
Emergency number911112
Elevation2,405 m322 m
Main airportAspen-Pitkin County Airport (Sardy Field) (ASE)5 km from centre11 non-stop destinationsFlorence Airport, Peretola (FLR)55 km from centre46 non-stop destinations
Public holidays this year12 days13 days

By the numbers

MeasureAspenSiena
City population7,00452,812
People per km²700446
Museums within 10 km230
UNESCO World Heritage sites within 50 km05

Where else could you go?

Every comparison below shares a destination with this one, so you can follow Aspen or Siena 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). 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. Tourism statistics from Eurostat, © European Union, reused under CC BY 4.0. 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 2026-11-02. Daily budgets are estimates from country price levels.