Lisbon · August · warmth

Warmest places to go from Lisbon in August

The warmest place you can reach from Lisbon in August within 15 hours is Kom Ombo at 36.8 °C, costing 994 kg CO₂e return. The lowest-carbon option is Figueira da Foz Municipality at 4.7 kg — 211× less carbon for 16.6 °C less.

Every destination here is on the efficiency frontier: nowhere else in Europe is both warmer in August 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 Lisbon. Pick one to compare.

By rail or ferry By air

Carbon against warmth, August, departing Lisbon. Journeys of up to 15 hours each way.

August from Lisbon — 11 destinations on the frontier, 7 without flying.
Destination	How	CO₂e return	Temp	Sun/day	Rain/day	Journey
Figueira da Foz Municipality, Portugal	Rail	4.7 kg	20.2 °C	11.8 h	0.1 mm	4h 12m
Coimbra, Portugal	Rail	5.2 kg	22.1 °C	11.9 h	0.1 mm	4h 24m
Castelo Branco, Portugal	Rail	5.5 kg	25.8 °C	12.9 h	0.0 mm	4h 36m
Badajoz, Spain	Rail	5.6 kg	28.1 °C	12.9 h	0.0 mm	4h 36m
Almendralejo, Spain	Rail	7.0 kg	28.9 °C	12.9 h	0.0 mm	5h 18m
Seville, Spain	Rail	9.3 kg	30.1 °C	12.7 h	0.0 mm	6h 18m
Córdoba, Spain	Rail	11.6 kg	31.0 °C	12.7 h	0.0 mm	7h 24m
Al Fqih Ben Calah, Morocco	Air	183 kg	32.3 °C	12.2 h	0.0 mm	4h 30m
Arfoud, Morocco	Air	233 kg	34.3 °C	12.1 h	0.0 mm	4h 42m
Zagora, Morocco	Air	247 kg	35.9 °C	12.1 h	0.0 mm	4h 48m
Kom Ombo, Egypt	Air	994 kg	36.8 °C	11.9 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 Zagora (247 kg, 35.9 °C) to Kom Ombo (994 kg, 36.8 °C) buys 0.9 °C more warmth for an extra 747 kg — 830 kg of CO₂e per degree. That single step is the most expensive warmth on the whole curve.

The pick of them

Figueira da Foz MunicipalityPortugal4.7 kg CO₂e return20.2 °C · 11.8 h sun · 4h 12m by railwarm, bright and dry CórdobaSpain11.6 kg CO₂e return31.0 °C · 12.7 h sun · 7h 24m by railwarm, bright and dry Kom OmboEgypt994 kg CO₂e return36.8 °C · 11.9 h sun · 9h 12m by airwarm, bright and dry

If you'd rather have sunshine than heat

August answers differently depending on what you're after. The sunniest destinations from Lisbon in August 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 Lisbon

August from elsewhere

Questions

Where is the warmest place to go from Lisbon in August?

Kom Ombo, Egypt, at 36.8 °C. Reaching it emits 994 kg CO₂e return, travelling 9h 12m each way by air.

Can I get somewhere warm from Lisbon in August without flying?

Yes. Córdoba reaches 31.0 °C and is reachable by rail or ferry in 7h 24m, emitting 11.6 kg CO₂e return — though Kom Ombo is warmer still, if you fly.

How much carbon does a return trip from Lisbon to Kom Ombo produce?

994 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.