Madrid · May · warmth

Warmest places to go from Madrid in May

The warmest place you can reach from Madrid in May within 15 hours is Edfu at 31.4 °C, costing 888 kg CO₂e return. The lowest-carbon option is Ciudad Real at 4.7 kg — 189× less carbon for 12.9 °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 Madrid. Pick one to compare.

By rail or ferry By air

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

May from Madrid — 8 destinations on the frontier, 3 without flying.
Destination	How	CO₂e return	Temp	Sun/day	Rain/day	Journey
Ciudad Real, Spain	Rail	4.7 kg	18.5 °C	12.3 h	0.9 mm	4h 12m
Don Benito, Spain	Rail	7.3 kg	19.8 °C	12.1 h	0.9 mm	5h 24m
Córdoba, Spain	Rail	8.7 kg	21.3 °C	12.2 h	1.0 mm	6h
Errachidia, Morocco	Air	238 kg	23.1 °C	11.9 h	0.2 mm	4h 48m
Arfoud, Morocco	Air	252 kg	25.9 °C	12.1 h	0.1 mm	4h 48m
Zagora, Morocco	Air	286 kg	27.6 °C	12.4 h	0.0 mm	5h
Luxor, Egypt	Air	872 kg	31.2 °C	12.0 h	0.0 mm	8h 30m
Edfu, Egypt	Air	888 kg	31.4 °C	12.1 h	0.0 mm	8h 36m

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 (286 kg, 27.6 °C) to Luxor (872 kg, 31.2 °C) buys 3.6 °C more warmth for an extra 586 kg — 163 kg of CO₂e per degree. That single step is the most expensive warmth on the whole curve.

The pick of them

Ciudad RealSpain4.7 kg CO₂e return18.5 °C · 12.3 h sun · 4h 12m by railwarm, bright and dry CórdobaSpain8.7 kg CO₂e return21.3 °C · 12.2 h sun · 6h by railwarm, bright and dry EdfuEgypt888 kg CO₂e return31.4 °C · 12.1 h sun · 8h 36m 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 Madrid 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 Madrid

May from elsewhere

Questions

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

Edfu, Egypt, at 31.4 °C. Reaching it emits 888 kg CO₂e return, travelling 8h 36m each way by air.

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

Yes. Córdoba reaches 21.3 °C and is reachable by rail or ferry in 6h, emitting 8.7 kg CO₂e return — though Edfu is warmer still, if you fly.

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

888 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.