VacationSelector
The Outback, with the Tenmile Range in the distance, Keystone
KeystoneThe Outback, with the Tenmile Range in the distance
Castel Sant'Elmo and the Certosa di San Martino, Naples
NaplesCastel Sant'Elmo and the Certosa di San Martino

Photos: Keystone by Rudi Riet, CC BY-SA 2.0, cropped; Naples by pietro scerrato, CC BY 3.0, cropped.

Keystone or Naples?

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 Keystone for

  • families
  • nature and the outdoors

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

Choose Naples for

  • culture and sights
  • food and drink
  • prices

What lies behind each score is written up on Naples’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. Keystone 5, Naples 50: Naples leads by 45 points.
Food & drink. Keystone 27, Naples 83: Naples leads by 56 points.
Culture & sights. Keystone 7, Naples 87: Naples leads by 80 points.
Nightlife. Keystone 12, Naples 60: Naples leads by 48 points.
Nature & outdoors. Keystone 93, Naples 77: Keystone leads by 16 points.
Day trips. Keystone 55, Naples 96: Naples leads by 41 points.
Good for families. Keystone 66, Naples 45: Keystone leads by 21 points.
Getting around. Keystone 50, Naples 54: Naples leads by 4 points.
Shopping & style. Keystone 22, Naples 60: Naples leads by 38 points.
Affordability. Keystone 12, Naples 63: Naples leads by 51 points.
Live music & performing arts. Keystone 22, Naples 66: Naples leads by 44 points.
Wellness & relaxation. Keystone 32, Naples 44: Naples leads by 12 points.
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What lies behind each score is written up on the two cities’ own pages: Keystone and Naples.

Your match

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

Keystone
34match

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

Naples
Best match
65match

Wins on culture and sights and food and drink with your weighting.

What matters to you?

When should you go?

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

Keystone in July

21 °Cdaytime high
5 °Cnight-time low
39 mmrain in the month
No recordsunshine a day
No seasea
15 hdaylight a day

Naples in July

30 °Cdaytime high
22 °Cnight-time low
23 mmrain in the month
11 hsunshine a day
25 °Csea
15 hdaylight a day

Daytime high, °C

-10°0°10°20°30°40°JFMAMJJASOND

Rainfall in the month, mm

050100150JFMAMJJASOND
KeystoneNaples

Where the figures come from

Keystone's temperatures are measured 51 km from the centre, at Leadville / Stringtown.

Keystone's station stands 232 m above the city centre, so the centre is likely a little warmer than the figures say.

Keystone 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.

Naples 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.

Naples's sunshine is measured 28 km from the centre, at Grazzanise.

Temperature and rainfall are climate normals, averaged over the years shown. Keystone: 2006-2020 (rainfall 1991-2020) normals, Leadville / Stringtown (50.8 km from centre). Naples: 2005-2020 (sunshine 1991-2020, rainfall 1991-2020) normals, Napoli / Capodichino (4.6 km from centre).

Before you go

MeasureKeystoneNaples
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
Elevation2,796 m17 m
Main airportDenver International Airport (DEN)116 km from centre231 non-stop destinationsNaples International Airport (NAP)7 km from centre131 non-stop destinations
Public holidays this year12 days13 days

By the numbers

MeasureKeystoneNaples
City population1,369913,462
People per km²137,676
Museums within 10 km065
UNESCO World Heritage sites within 50 km05
Swim season, months above 21 °C-5 months

Where else could you go?

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