Bristol · May · warmth

Warmest places to go from Bristol in May

The warmest place you can reach from Bristol in May within 15 hours is Edfu at 31.4 °C, costing 984 kg CO₂e return. The lowest-carbon option is Hemel Hempstead at 12.2 kg — 81× less carbon for 18.9 °C less.

Every destination here is on the efficiency frontier: nowhere else in Europe is both warmer in May and lower in carbon. Anything a better option beats outright has been left out.

Where they are. Solid lines are rail or ferry, dashed are flights, from Bristol. Pick one to compare.

By rail or ferry By air

Carbon against warmth, May, departing Bristol. Journeys of up to 15 hours each way.

What the 15-hour limit costs: at this budget Alzira can only be reached by air — 347 kg CO₂e, in 5h 18m. Allow up to 24 hours and the train does the same journey for 54.3 kg in 23h 6m — 6× less carbon for 17h 48m more travelling.

May from Bristol — 18 destinations on the frontier, 4 without flying.
Destination	How	CO₂e return	Temp	Sun/day	Rain/day	Journey
Hemel Hempstead, United Kingdom	Rail	12.2 kg	12.5 °C	9.7 h	2.2 mm	4h 6m
Plymouth, United Kingdom	Rail	13.0 kg	13.4 °C	12.0 h	2.8 mm	4h 12m
Paris, France	Rail	23.9 kg	14.4 °C	10.9 h	3.5 mm	9h
La Rochelle, France	Rail	31.4 kg	15.6 °C	11.3 h	3.1 mm	12h 30m
Montpellier, France	Air	251 kg	17.4 °C	11.3 h	3.3 mm	4h 48m
Perpignan, France	Air	266 kg	17.9 °C	11.3 h	1.6 mm	4h 54m
Zaragoza, Spain	Air	276 kg	18.8 °C	13.1 h	0.8 mm	5h
Alzira, Spain	Air	347 kg	20.3 °C	12.2 h	1.3 mm	5h 18m
Seville, Spain	Air	399 kg	21.7 °C	12.3 h	0.8 mm	5h 36m
Kairouan, Tunisia	Air	509 kg	21.8 °C	11.0 h	1.7 mm	6h 12m
Metlaoui, Tunisia	Air	528 kg	23.8 °C	11.8 h	0.8 mm	6h 18m
Tozeur, Tunisia	Air	536 kg	25.8 °C	11.6 h	0.6 mm	6h 18m
Moulay Ali Cherif, Morocco	Air	565 kg	26.6 °C	12.1 h	0.1 mm	6h 30m
Zagora, Morocco	Air	595 kg	27.6 °C	12.4 h	0.0 mm	6h 42m
Assiut, Egypt	Air	914 kg	29.0 °C	11.9 h	0.0 mm	8h 42m
Sharm el-Sheikh, Egypt	Air	944 kg	30.0 °C	12.6 h	0.1 mm	8h 54m
Luxor, Egypt	Air	965 kg	31.2 °C	12.0 h	0.0 mm	9h
Edfu, Egypt	Air	984 kg	31.4 °C	12.1 h	0.0 mm	9h 6m

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 Seville (399 kg, 21.7 °C) to Kairouan (509 kg, 21.8 °C) buys 0.1 °C more warmth for an extra 110 kg — 1099 kg of CO₂e per degree. That single step is the most expensive warmth on the whole curve.

The pick of them

Hemel HempsteadUnited Kingdom12.2 kg CO₂e return12.5 °C · 9.7 h sun · 4h 6m by railmild and bright La RochelleFrance31.4 kg CO₂e return15.6 °C · 11.3 h sun · 12h 30m by railwarm but wet EdfuEgypt984 kg CO₂e return31.4 °C · 12.1 h sun · 9h 6m by airwarm, bright and dry

If you'd rather have sunshine than heat

May answers differently depending on what you're after. The sunniest destinations from Bristol in May are a different list — the brightest places are not always the hottest, and in winter the difference is large.

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.

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 Bristol

May from elsewhere

Questions

Where is the warmest place to go from Bristol in May?

Edfu, Egypt, at 31.4 °C. Reaching it emits 984 kg CO₂e return, travelling 9h 6m each way by air.

Can I get somewhere warm from Bristol in May without flying?

Yes. La Rochelle reaches 15.6 °C and is reachable by rail or ferry in 12h 30m, emitting 31.4 kg CO₂e return — though Edfu is warmer still, if you fly.

How much carbon does a return trip from Bristol to Edfu produce?

984 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.