Warmest places to go from Barcelona in August
The warmest place you can reach from Barcelona in August within 15 hours is Kom Ombo at 36.8 °C, costing 857 kg CO₂e return. The lowest-carbon option is Tortosa at 4.5 kg — 190× less carbon for 9.4 °C less.
Every destination here is on the efficiency frontier: nowhere else in Europe is both warmer in August and lower in carbon. Anything a better option beats outright has been left out.
By rail or ferry By air
| Destination | How | CO₂e return | Temp | Sun/day | Rain/day | Journey |
|---|---|---|---|---|---|---|
| Tortosa, Spain | Rail | 4.5 kg | 27.4 °C | 12.6 h | 0.4 mm | 4h 6m |
| Alzira, Spain | Rail | 9.8 kg | 28.4 °C | 12.3 h | 0.2 mm | 6h 30m |
| Andujar, Spain | Rail | 19.1 kg | 31.1 °C | 12.7 h | 0.1 mm | 10h 54m |
| Metlaoui, Tunisia | Air | 241 kg | 31.4 °C | 12.6 h | 0.1 mm | 4h 48m |
| Tozeur, Tunisia | Air | 247 kg | 33.1 °C | 12.4 h | 0.0 mm | 4h 48m |
| Arfoud, Morocco | Air | 313 kg | 34.3 °C | 12.1 h | 0.0 mm | 5h 12m |
| Zagora, Morocco | Air | 358 kg | 35.9 °C | 12.1 h | 0.0 mm | 5h 24m |
| Kom Ombo, Egypt | Air | 857 kg | 36.8 °C | 11.9 h | 0.0 mm | 8h |
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.
Where the curve breaks
The frontier is gentle until it isn't. Going from Andujar (19.1 kg, 31.1 °C) to Metlaoui (241 kg, 31.4 °C) buys 0.3 °C more warmth for an extra 222 kg — 739 kg of CO₂e per degree. That single step is the most expensive warmth on the whole curve.
The pick of them
If you'd rather have sunshine than heat
August answers differently depending on what you're after. The sunniest destinations from Barcelona in August are a different list — the brightest places are not always the hottest, and in winter the difference is large.
Where to stay in Kom Ombo
Places to stay in Kom Ombo, Egypt, on a live map. Prices and availability come from Stay22 and its booking partners.
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 Barcelona
August from elsewhere
- Amsterdam
- Barcelona
- Berlin
- Birmingham
- Bristol
- Brussels
- Cardiff
- Copenhagen
- Dublin
- Edinburgh
- Frankfurt
- Glasgow
- Leeds
- Lisbon
- Liverpool
- London
- Madrid
- Manchester
- Milan
- Munich
- Newcastle
- Nottingham
- Oslo
- Paris
- Prague
- Rome
- Sheffield
- Southampton
- Stockholm
- Vienna
- Warsaw
- Zurich
Questions
Where is the warmest place to go from Barcelona in August?
Kom Ombo, Egypt, at 36.8 °C. Reaching it emits 857 kg CO₂e return, travelling 8h each way by air.
Can I get somewhere warm from Barcelona in August without flying?
Yes. Andujar reaches 31.1 °C and is reachable by rail or ferry in 10h 54m, emitting 19.1 kg CO₂e return — though Kom Ombo is warmer still, if you fly.
How much carbon does a return trip from Barcelona to Kom Ombo produce?
857 kg CO₂e for one person, return, by air. 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.