Sheffield · May · warmth

Warmest places to go from Sheffield in May

The warmest place you can reach from Sheffield in May within 15 hours is Edfu at 31.4 °C, costing 996 kg CO₂e return. The lowest-carbon option is Colwyn Bay at 12.1 kg — 82× less carbon for 18.4 °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 Sheffield. Pick one to compare.

By rail or ferry By air

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

What the 15-hour limit costs: at this budget Alzira can only be reached by air — 399 kg CO₂e, in 5h 36m. Allow up to 24 hours and the train does the same journey for 58.8 kg in 23h 54m — 7× less carbon for 18h 18m more travelling.

May from Sheffield — 19 destinations on the frontier, 4 without flying.
Destination	How	CO₂e return	Temp	Sun/day	Rain/day	Journey
Colwyn Bay, United Kingdom	Rail	12.1 kg	13.0 °C	10.8 h	2.2 mm	4h 6m
Paris, France	Rail	28.4 kg	14.4 °C	10.9 h	3.5 mm	9h 48m
Nijmegen, The Netherlands	Rail	30.5 kg	14.6 °C	11.0 h	3.5 mm	10h 48m
La Rochelle, France	Rail	36.0 kg	15.6 °C	11.3 h	3.1 mm	13h 18m
Montpellier, France	Air	291 kg	17.4 °C	11.3 h	3.3 mm	5h
Perpignan, France	Air	310 kg	17.9 °C	11.3 h	1.6 mm	5h 6m
Zaragoza, Spain	Air	328 kg	18.8 °C	13.1 h	0.8 mm	5h 12m
Alzira, Spain	Air	399 kg	20.3 °C	12.2 h	1.3 mm	5h 36m
Seville, Spain	Air	456 kg	21.7 °C	12.3 h	0.8 mm	5h 54m
Kairouan, Tunisia	Air	545 kg	21.8 °C	11.0 h	1.7 mm	6h 24m
Gafsa, Tunisia	Air	568 kg	22.9 °C	11.7 h	1.2 mm	6h 30m
Metlaoui, Tunisia	Air	568 kg	23.8 °C	11.8 h	0.8 mm	6h 30m
Tozeur, Tunisia	Air	577 kg	25.8 °C	11.6 h	0.6 mm	6h 36m
Moulay Ali Cherif, Morocco	Air	621 kg	26.6 °C	12.1 h	0.1 mm	6h 48m
Zagora, Morocco	Air	651 kg	27.6 °C	12.4 h	0.0 mm	6h 54m
Assiut, Egypt	Air	926 kg	29.0 °C	11.9 h	0.0 mm	8h 48m
Sharm el-Sheikh, Egypt	Air	952 kg	30.0 °C	12.6 h	0.1 mm	8h 54m
Luxor, Egypt	Air	977 kg	31.2 °C	12.0 h	0.0 mm	9h 6m
Edfu, Egypt	Air	996 kg	31.4 °C	12.1 h	0.0 mm	9h 12m

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 (456 kg, 21.7 °C) to Kairouan (545 kg, 21.8 °C) buys 0.1 °C more warmth for an extra 88.7 kg — 887 kg of CO₂e per degree. That single step is the most expensive warmth on the whole curve.

The pick of them

Colwyn BayUnited Kingdom12.1 kg CO₂e return13.0 °C · 10.8 h sun · 4h 6m by railmild and bright La RochelleFrance36.0 kg CO₂e return15.6 °C · 11.3 h sun · 13h 18m by railwarm but wet EdfuEgypt996 kg CO₂e return31.4 °C · 12.1 h sun · 9h 12m 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 Sheffield 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 Sheffield

May from elsewhere

Questions

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

Edfu, Egypt, at 31.4 °C. Reaching it emits 996 kg CO₂e return, travelling 9h 12m each way by air.

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

Yes. La Rochelle reaches 15.6 °C and is reachable by rail or ferry in 13h 18m, emitting 36.0 kg CO₂e return — though Edfu is warmer still, if you fly.

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

996 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.