Sunniest places to go from Barcelona in April
The sunniest place you can reach from Barcelona in April within 15 hours is Alcalá de Henares at 12.0 h, costing 14.0 kg CO₂e return. The lowest-carbon option is Tortosa at 4.5 kg — 3× less carbon for 0.7 h less.
Every destination here is on the efficiency frontier: nowhere else in Europe is both sunnier in April 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 | 16.5 °C | 11.3 h | 0.5 mm | 4h 6m |
| Alcalá de Henares, Spain | Rail | 14.0 kg | 15.1 °C | 12.0 h | 0.4 mm | 8h 30m |
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
If you'd rather have heat than sunshine
April answers differently depending on what you're after. The warmest destinations from Barcelona in April are a different list — hours of sunshine and degrees of warmth come apart, especially early and late in the year.
Where to stay in Alcalá de Henares
Places to stay in Alcalá de Henares, Spain, 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
April 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 sunniest place to go from Barcelona in April?
Alcalá de Henares, Spain, at 12.0 h. Reaching it emits 14.0 kg CO₂e return, travelling 8h 30m each way by rail.
Can I get somewhere sunny from Barcelona in April without flying?
Yes. Alcalá de Henares reaches 12.0 h and is reachable by rail or ferry in 8h 30m, emitting 14.0 kg CO₂e return — which is also the best on this frontier.
How much carbon does a return trip from Barcelona to Alcalá de Henares produce?
14.0 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.