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Cardiff · July · sunshine

Sunniest places to go from Cardiff in July

In July, the sunniest well-known place within 15 hours of Cardiff is Nice, France, 14.3 h of sun a day and 25.2 °C, about 14h 48m each way by train. You can get there without flying, for 47.3 kg CO₂e return.

The 10 sunniest places within 15 hours of Cardiff

Ranked on sunshine in July alone, among well-known places (a Wikivoyage travel guide and at least 40,000 Wikipedia readers a year), one per area and at most three per country. The carbon is shown, not used to choose: the list further down is the other question, how much sunshine each extra kilogram buys.

  1. Nice, France14.3 h · 25.2 °C · mostly dry · sea 25.4 °Crail ≈ 14h 48m · 47.3 kg CO₂e return
  2. Bastia, France14.3 h · 27.5 °C · mostly dry · sea 26.2 °Cair ≈ 5h 18m · 343 kg CO₂e return
  3. Sofia, Bulgaria14.3 h · 24.6 °C · mostly dryair ≈ 6h 30m · 557 kg CO₂e return
  4. Ajaccio, France14.2 h · 26.1 °C · mostly dry · sea 25.1 °Cair ≈ 5h 24m · 351 kg CO₂e return
  5. Segovia, Spain14.2 h · 22.9 °C · mostly dryair ≈ 5h 6m · 295 kg CO₂e return
  6. Ávila, Spain14.2 h · 22.7 °C · mostly dryair ≈ 5h 6m · 304 kg CO₂e return
  7. Sanremo, Italy14.2 h · 25.3 °C · mostly dry · sea 25.4 °Cair ≈ 5h 6m · 297 kg CO₂e return
  8. Visby, Sweden14.1 h · 17.5 °C · 2.2 mm rain a day · sea 16.9 °Cair ≈ 5h 30m · 386 kg CO₂e return
  9. Florence, Italy14.1 h · 26.7 °C · mostly dryair ≈ 5h 18m · 346 kg CO₂e return
  10. Pristina, Kosovo14.1 h · 24.0 °C · mostly dryair ≈ 6h 18m · 522 kg CO₂e return

Without flying

The sunniest places the train reaches within 15 hours.

  1. Nice, France14.3 h · 25.2 °C · mostly dry · sea 25.4 °Crail ≈ 14h 48m · 47.3 kg CO₂e return
  2. Toulon, France14.0 h · 26.2 °C · mostly dry · sea 23.4 °Crail ≈ 13h · 47.6 kg CO₂e return
  3. Marseille, France13.9 h · 24.8 °C · mostly dry · sea 22.6 °Crail ≈ 12h 12m · 46.6 kg CO₂e return
  4. Avignon, France13.7 h · 25.4 °C · mostly dryrail ≈ 11h 48m · 44.1 kg CO₂e return
  5. Turin, Italy13.4 h · 24.6 °C · 1.9 mm rain a dayrail ≈ 14h 48m · 44.1 kg CO₂e return
  6. Geneva, Switzerland13.0 h · 21.6 °C · 3.2 mm rain a dayrail ≈ 12h 12m · 39.0 kg CO₂e return

≈ is the model's estimate (air times include getting to and through the airport); ✓ is a rail journey checked against a real timetable, with the date it was checked. Temperatures are historical daily means for 2023–2024, averaged across day and night, so afternoons run warmer.

The low-carbon trade-off

The sunniest place you can reach from Cardiff in July within 15 hours is Nice, 14.3 h, costing 47.3 kg CO₂e return. The lowest-carbon option is Coventry at 12.4 kg — 4× less carbon, for 3.9 hours less sunshine.

Every destination here is on the efficiency frontier: nowhere else this site covers is both sunnier in July and lower in carbon. Anything a better option beats outright has been left out.

CoventryNice
Where they are. Solid lines are rail or ferry, dashed are flights, from Cardiff. Pick one to compare.
Carbon against sunshine, July, departing Cardiff. Journeys of up to 15 hours each way.8 destinations. Lowest carbon Coventry at 12.4 kilograms and 10.4 h; best for sunshine Nice at 47.3 kilograms and 14.3 h. Coventry · 12.4 kgBoulogne-sur-Mer · 21.4 kgDijon · 34.6 kgNice · 47.3 kg

By rail or ferry By air

Carbon against sunshine, July, departing Cardiff. Journeys of up to 15 hours each way.
July from Cardiff — 8 destinations on the frontier, 8 without flying.
DestinationHowCO₂e returnTempSun/dayRain/dayJourney
Coventry, United KingdomRail12.4 kg16.0 °C10.4 h3.6 mm3h 42m
Portsmouth, United KingdomRail13.2 kg17.2 °C10.9 h3.0 mm3h 54m
Boulogne-sur-Mer, FranceRail21.4 kg17.6 °C11.4 h3.2 mm8h 54m
Dijon, FranceRail34.6 kg19.9 °C12.0 h2.2 mm10h 42m
La Rochelle, FranceRail34.7 kg19.8 °C12.5 h1.4 mm12h 54m
Saint-Etienne, FranceRail39.2 kg21.0 °C13.2 h1.5 mm12h 18m
Romans-sur-Isère, FranceRail41.0 kg23.5 °C13.7 h1.6 mm12h 42m
Nice, FranceRail47.3 kg25.2 °C14.3 h0.3 mm14h 48m

Warm is not the same as pleasant, which is why sunshine and rainfall are shown alongside temperature. All three are ERA5 monthly means for 2023–2024.

The pick of them

Coventry, United KingdomCoventryUnited Kingdom12.4 kg CO₂e return16.0 °C · 10.4 h sun · 3h 42m by railwarm but wetNice, FranceNiceFrance47.3 kg CO₂e return25.2 °C · 14.3 h sun · 14h 48m by railwarm, bright and dry

The same month, asked differently

July answers differently depending on what you are after, and the lists genuinely diverge: the brightest places are not the hottest, and in summer the useful question stops being where is warm at all.

Where to stay in Nice

Places to stay in Nice, France, on a live map. Prices and availability come from Stay22 and its booking partners.

Search places to stay in Nice →Opens the booking search in a new tab. Same partners as the map below.

Affiliate disclosure. A booking made through this map may earn 0xCarbon a commission, at no extra cost to you. It changes nothing above it: the emissions figures come from UK Government conversion factors and are computed before anyone is paid anything.See the method.

Other months from Cardiff

July from elsewhere

Photo credits

Questions

Where is the sunniest place to go from Cardiff in July?

Nice, France, at 14.3 h. Reaching it emits 47.3 kg CO₂e return, travelling 14h 48m each way by rail (modelled).

Can I get somewhere sunny from Cardiff in July without flying?

Yes. Nice reaches 14.3 h and is reachable by rail or ferry in 14h 48m (modelled), emitting 47.3 kg CO₂e return — which is also the best on this frontier.

How much carbon does a return trip from Cardiff to Nice produce?

47.3 kg CO₂e for one person, return, by rail. That uses the UK Government's 2026 conversion factors, including radiative forcing for flights.

Carbon uses UK Government (DESNZ/DEFRA) 2026 conversion factors applied to great-circle distance, with radiative forcing included for flights. Rail journey times are modelled estimates, not timetabled services. Full method · download the data.