Lisbon · August · sunshine

Sunniest places to go from Lisbon in August

The sunniest place you can reach from Lisbon in August within 15 hours is Beypazari at 13.3 h, costing 880 kg CO₂e return. The lowest-carbon option is Coimbra at 5.2 kg — 169× less carbon for 1.4 h less.

Every destination here is on the efficiency frontier: nowhere else in Europe is both sunnier 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 sunshine, August, departing Lisbon. Journeys of up to 15 hours each way.

August from Lisbon — 3 destinations on the frontier, 2 without flying.
Destination	How	CO₂e return	Temp	Sun/day	Rain/day	Journey
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
Beypazari, Turkey	Air	880 kg	26.7 °C	13.3 h	0.2 mm	8h 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 Castelo Branco (5.5 kg, 12.9 h) to Beypazari (880 kg, 13.3 h) buys 0.4 hours more sunshine for an extra 875 kg — 2186 kg of CO₂e per hour. That single step is the most expensive sunshine on the whole curve.

The pick of them

CoimbraPortugal5.2 kg CO₂e return22.1 °C · 11.9 h sun · 4h 24m by railwarm, bright and dry Castelo BrancoPortugal5.5 kg CO₂e return25.8 °C · 12.9 h sun · 4h 36m by railwarm, bright and dry BeypazariTurkey880 kg CO₂e return26.7 °C · 13.3 h sun · 8h 12m by airwarm, bright and dry

If you'd rather have heat than sunshine

August answers differently depending on what you're after. The warmest destinations from Lisbon in August are a different list — hours of sunshine and degrees of warmth come apart, especially early and late in the year.

Where to stay in Beypazari

Places to stay in Beypazari, Turkey, 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 sunniest place to go from Lisbon in August?

Beypazari, Turkey, at 13.3 h. Reaching it emits 880 kg CO₂e return, travelling 8h 12m each way by air.

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

Yes. Castelo Branco reaches 12.9 h and is reachable by rail or ferry in 4h 36m, emitting 5.5 kg CO₂e return — though Beypazari is sunnier still, if you fly.

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

880 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.