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One page of sourced numbers per city: what a day costs, what the travel advisory says, and which months score best on the weather.

Data: GeoNames, Open-Meteo, World Bank, US State Department, UK FCDO.

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© 2026 Travel City Index. Every number on this site comes from a dataset named on the page that shows it.
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United Kingdom · Italy

London vs Rome: cost, safety and weather compared (2026)

Every figure below comes from the same datasets for both cities, so the two columns are comparable.

London and Rome compared on cost, safety, weather and size
LondonUnited KingdomRomeItaly
Daily cost, per personestimate
Budget$105$70
Mid-range$245$165
Luxury$520$355
Price level0.89× US (2025)0.69× US (2025)
US advisoryLevel 2Level 2
Best monthsMay, Jun, Jul and AugMay, Jun, Jul and Sep
Annual rain763 mm941 mm
Average high15.6 °C22.5 °C
Population9.0M2.3M
Time zoneEurope/LondonEurope/Rome

The short answer

Rome is about 33 % cheaper per day than London, $165 against $245 (mid-range estimate). Both carry a US Level 2 advisory. In September, the daily average is 16 °C in London and 23 °C in Rome.

Keep reading

City overviews

  • London overview
  • Rome overview

Cost and safety in detail

  • London trip cost
  • Is London safe?
  • Rome trip cost
  • Is Rome safe?

Where they rank

  • Cheapest cities in Europe
  • Safest cities in Europe

Countries

  • All cities in United Kingdom
  • All cities in Italy

Sources

  • GeoNames city database — CC BY 4.0, fetched September 14, 2026
  • Open-Meteo climate archive — CC BY 4.0, fetched September 21, 2026
  • World Bank price level and exchange rate — CC BY 4.0, data year 2025
  • US State Department travel advisories — public domain, fetched September 21, 2026

Dates are the most recent fetch across the cities on this page. Every sentence here is generated from the data by rule, with no AI writing; the formulas are public.