Warmest places to go from Southampton in March
The warmest place you can reach from Southampton in March within 15 hours is Kom Ombo at 23.6 °C, costing 971 kg CO₂e return. The lowest-carbon option is Exeter at 12.1 kg — 80× less carbon for 15.6 °C less.
Every destination here is on the efficiency frontier: nowhere else in Europe is both warmer in March and lower in carbon. Anything a better option beats outright has been left out.
By rail or ferry By air
What the 15-hour limit costs: at this budget Alzira can only be reached by air — 329 kg CO₂e, in 5h 12m. Allow up to 24 hours and the train does the same journey for 49.5 kg in 22h 18m — 7× less carbon for 17h 6m more travelling.
| Destination | How | CO₂e return | Temp | Sun/day | Rain/day | Journey |
|---|---|---|---|---|---|---|
| Exeter, United Kingdom | Rail | 12.1 kg | 8.0 °C | 5.4 h | 4.6 mm | 4h 6m |
| Le Havre, France | Rail | 15.6 kg | 8.8 °C | 6.6 h | 3.7 mm | 6h 36m |
| Saint-Nazaire, France | Rail | 23.5 kg | 9.7 °C | 7.3 h | 4.5 mm | 10h 18m |
| Bordeaux, France | Rail | 30.9 kg | 10.8 °C | 7.3 h | 4.5 mm | 13h 42m |
| Donostia / San Sebastian, Spain | Air | 213 kg | 12.6 °C | 8.0 h | 4.1 mm | 4h 36m |
| Zaragoza, Spain | Air | 259 kg | 13.5 °C | 9.5 h | 1.2 mm | 4h 54m |
| Castellon, Spain | Air | 307 kg | 14.4 °C | 10.1 h | 0.5 mm | 5h 6m |
| Alzira, Spain | Air | 329 kg | 15.9 °C | 10.1 h | 0.5 mm | 5h 12m |
| Almería, Spain | Air | 394 kg | 16.7 °C | 10.2 h | 1.3 mm | 5h 36m |
| Metlaoui, Tunisia | Air | 505 kg | 17.5 °C | 10.8 h | 0.2 mm | 6h 12m |
| Tozeur, Tunisia | Air | 513 kg | 18.9 °C | 10.7 h | 0.0 mm | 6h 12m |
| Moulay Ali Cherif, Morocco | Air | 552 kg | 19.7 °C | 10.7 h | 0.0 mm | 6h 24m |
| Taroudant, Morocco | Air | 592 kg | 20.9 °C | 10.5 h | 0.6 mm | 6h 36m |
| Akhmim, Egypt | Air | 911 kg | 21.7 °C | 11.4 h | 0.0 mm | 8h 42m |
| Luxor, Egypt | Air | 941 kg | 22.7 °C | 11.4 h | 0.0 mm | 8h 54m |
| Kom Ombo, Egypt | Air | 971 kg | 23.6 °C | 11.3 h | 0.0 mm | 9h |
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 Taroudant (592 kg, 20.9 °C) to Akhmim (911 kg, 21.7 °C) buys 0.8 °C more warmth for an extra 318 kg — 398 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
March answers differently depending on what you're after. The sunniest destinations from Southampton in March 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 Southampton
March 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 Southampton in March?
Kom Ombo, Egypt, at 23.6 °C. Reaching it emits 971 kg CO₂e return, travelling 9h each way by air.
Can I get somewhere warm from Southampton in March without flying?
Yes. Bordeaux reaches 10.8 °C and is reachable by rail or ferry in 13h 42m, emitting 30.9 kg CO₂e return — though Kom Ombo is warmer still, if you fly.
How much carbon does a return trip from Southampton to Kom Ombo produce?
971 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.