Warmest places to go from Barcelona in May
In May, the warmest well-known place within 15 hours of Barcelona is Aswan, Egypt, averaging 31.5 °C across day and night and 12.0 h sun a day, about 8h 6m each way by air. Without flying, it is Seville, Spain, averaging 21.7 °C across day and night, about 7h 30m each way by train, for about 35× less carbon (24.4 kg CO₂e return against 863 kg).
Every city at once, with and without flying: where is hot in May.
The 10 warmest places within 15 hours of Barcelona
Ranked on warmth in May 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 warmth each extra kilogram buys.
Aswan, Egypt31.5 °C · 12.0 h sun a day · mostly dryair ≈ 8h 6m · 863 kg CO₂e return
Luxor, Egypt31.2 °C · 12.0 h sun a day · mostly dryair ≈ 7h 54m · 829 kg CO₂e return
Sharm el-Sheikh, Egypt30.0 °C · 12.6 h sun a day · mostly dry · sea 24.5 °Cair ≈ 7h 54m · 824 kg CO₂e return
Aqaba, Jordan28.2 °C · 12.6 h sun a day · mostly dry · sea 23.5 °Cair ≈ 7h 48m · 812 kg CO₂e return
Ouarzazate, Morocco23.0 °C · 12.4 h sun a day · mostly dryair ≈ 5h 24m · 357 kg CO₂e return
Tataouine, Tunisia22.9 °C · 11.4 h sun a day · mostly dryair ≈ 5h 6m · 300 kg CO₂e return
Marrakesh, Morocco22.5 °C · 12.0 h sun a day · mostly dryair ≈ 5h 24m · 355 kg CO₂e return
Adana, Turkey22.0 °C · 11.6 h sun a day · 3.6 mm rain a dayair ≈ 7h 18m · 725 kg CO₂e return- Nicosia, Cyprus21.9 °C · 12.5 h sun a day · mostly dry · sea 21.0 °Cair ≈ 7h 12m · 702 kg CO₂e return
Limassol, Cyprus21.9 °C · 12.8 h sun a day · mostly dry · sea 20.3 °Cair ≈ 7h 12m · 701 kg CO₂e return
Without flying
The warmest places the train reaches within 15 hours. Seville is 21.7 °C for 24.4 kg — about 35× less carbon than flying to Aswan.
Seville, Spain21.7 °C · 12.3 h sun a day · mostly dryrail ≈ 7h 30m · 24.4 kg CO₂e return
Huelva, Spain20.8 °C · 12.4 h sun a day · mostly dry · sea 18.1 °Crail ≈ 9h 18m · 26.7 kg CO₂e return
Almería, Spain20.7 °C · 12.2 h sun a day · 2.2 mm rain a day · sea 18.7 °Crail ≈ 10h 6m · 19.0 kg CO₂e return
Jerez de la Frontera, Spain20.2 °C · 12.3 h sun a day · mostly dry · sea 19.1 °Crail ≈ 9h 18m · 26.2 kg CO₂e return
Portimão, Portugal19.3 °C · 12.6 h sun a day · mostly dry · sea 16.8 °Crail ≈ 11h 54m · 30.5 kg CO₂e return
Evora, Portugal18.5 °C · 11.8 h sun a day · mostly dryrail ≈ 11h 6m · 26.9 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 warmest place you can reach from Barcelona in May within 15 hours is Edfu, 31.4 °C, costing 846 kg CO₂e return. The lowest-carbon option is Tortosa at 4.5 kg — 188× less carbon, for 12.0 degrees less warmth.
Every destination here is on the efficiency frontier: nowhere else this site covers is both warmer in May 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 | 19.4 °C | 12.7 h | 1.8 mm | 3h 42m |
| Alzira, Spain | Rail | 9.8 kg | 20.3 °C | 12.2 h | 1.3 mm | 5h 36m |
| Córdoba, Spain | Rail | 20.9 kg | 21.3 °C | 12.2 h | 1.0 mm | 6h 48m |
| Palma del Rio, Spain | Rail | 22.4 kg | 22.3 °C | 12.1 h | 1.2 mm | 8h 6m |
| Metlaoui, Tunisia | Air | 241 kg | 23.8 °C | 11.8 h | 0.8 mm | 4h 48m |
| Nefta, Tunisia | Air | 245 kg | 26.0 °C | 11.6 h | 0.6 mm | 4h 48m |
| Zagora, Morocco | Air | 358 kg | 27.6 °C | 12.4 h | 0.0 mm | 5h 24m |
| Assiut, Egypt | Air | 774 kg | 29.0 °C | 11.9 h | 0.0 mm | 7h 36m |
| Sohag, Egypt | Air | 795 kg | 29.8 °C | 11.9 h | 0.0 mm | 7h 42m |
| Luxor, Egypt | Air | 829 kg | 31.2 °C | 12.0 h | 0.0 mm | 7h 54m |
| Edfu, Egypt | Air | 846 kg | 31.4 °C | 12.1 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 Zagora (358 kg, 27.6 °C) to Assiut (774 kg, 29.0 °C) buys 1.4 °C more warmth for an extra 416 kg — 297 kg of CO₂e per degree. That single step is the most expensive warmth on the whole curve.
The pick of them
EdfuEgypt846 kg CO₂e returnwarm, bright and dryThe same month, asked differently
May 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 Edfu
Places to stay in Edfu, Egypt, on a live map. Prices and availability come from Stay22 and its booking partners.
Search places to stay in Edfu →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 Barcelona
May 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
Photo credits
- Edfu: Olaf Tausch, CC BY 3.0, via Wikimedia Commons
- Aswan: Vyacheslav Argenberg, CC BY 4.0, via Wikimedia Commons
- Luxor: Roland Unger, CC BY-SA 3.0, via Wikimedia Commons
- Sharm el-Sheikh: Tanya Dedyukhina, CC BY 3.0, via Wikimedia Commons
- Aqaba: Sana Janakat, CC BY-SA 4.0, via Wikimedia Commons
- Ouarzazate: Bjørn Christian Tørrissen, CC BY-SA 3.0, via Wikimedia Commons
- Tataouine: Averater, CC BY-SA 3.0, via Wikimedia Commons
- Marrakesh: Donar Reiskoffer, CC BY 3.0, via Wikimedia Commons
- Adana: Anatolianpride, Public domain, via Wikimedia Commons
- Limassol: Xaris333, CC BY-SA 3.0, via Wikimedia Commons
- Seville: Diliff, CC BY-SA 3.0, via Wikimedia Commons
- Huelva: Jose A., CC BY 2.0, via Wikimedia Commons
- Almería: Javier rodriguez jimenez, CC BY-SA 4.0, via Wikimedia Commons
- Jerez de la Frontera: Jerezplataforma, CC BY 3.0, via Wikimedia Commons
- Portimão: Jose A., CC BY 2.0, via Wikimedia Commons
- Evora: Ingo Mehling, CC BY-SA 4.0, via Wikimedia Commons
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Questions
Where is the warmest place to go from Barcelona in May?
Edfu, Egypt, at 31.4 °C. Reaching it emits 846 kg CO₂e return, travelling 8h each way by air (modelled).
Can I get somewhere warm from Barcelona in May without flying?
Yes. Palma del Rio reaches 22.3 °C and is reachable by rail or ferry in 8h 6m (modelled), emitting 22.4 kg CO₂e return — though Edfu is warmer still, if you fly.
How much carbon does a return trip from Barcelona to Edfu produce?
846 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.