Prague · May · sunshine

Sunniest places to go from Prague in May

The sunniest place you can reach from Prague in May within 15 hours is Örnsköldsvik at 15.1 h, costing 375 kg CO₂e return. The lowest-carbon option is Wałbrzych at 4.5 kg — 83× less carbon for 3.4 h less.

Every destination here is on the efficiency frontier: nowhere else in Europe is both sunnier 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 Prague. Pick one to compare.

By rail or ferry By air

Carbon against sunshine, May, departing Prague. Journeys of up to 15 hours each way.

What the 15-hour limit costs: at this budget Örnsköldsvik can only be reached by air — 375 kg CO₂e, in 5h 30m. Allow up to 24 hours and the train does the same journey for 44.0 kg in 22h 24m — 9× less carbon for 16h 54m more travelling.

May from Prague — 7 destinations on the frontier, 6 without flying.
Destination	How	CO₂e return	Temp	Sun/day	Rain/day	Journey
Wałbrzych, Poland	Rail	4.5 kg	13.2 °C	11.7 h	2.0 mm	4h 6m
Frankfurt (Oder), Germany	Rail	7.4 kg	15.6 °C	12.3 h	1.7 mm	5h 24m
Eberswalde, Germany	Rail	9.1 kg	15.1 °C	12.8 h	1.3 mm	6h 12m
Kołobrzeg, Poland	Rail	13.6 kg	13.5 °C	13.3 h	0.9 mm	8h 18m
Allerød Municipality, Denmark	Rail	19.4 kg	13.3 °C	13.8 h	0.7 mm	11h
Ventspils, Latvia	Rail	27.7 kg	12.7 °C	14.4 h	0.7 mm	14h 48m
Örnsköldsvik, Sweden	Air	375 kg	9.0 °C	15.1 h	0.5 mm	5h 30m

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 Ventspils (27.7 kg, 14.4 h) to Örnsköldsvik (375 kg, 15.1 h) buys 0.7 hours more sunshine for an extra 347 kg — 496 kg of CO₂e per hour. That single step is the most expensive sunshine on the whole curve.

The pick of them

WałbrzychPoland4.5 kg CO₂e return13.2 °C · 11.7 h sun · 4h 6m by railmild and bright VentspilsLatvia27.7 kg CO₂e return12.7 °C · 14.4 h sun · 14h 48m by railmild and bright ÖrnsköldsvikSweden375 kg CO₂e return9.0 °C · 15.1 h sun · 5h 30m by aircold but bright

If you'd rather have heat than sunshine

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

Where to stay in Örnsköldsvik

Places to stay in Örnsköldsvik, Sweden, 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 Prague

May from elsewhere

Questions

Where is the sunniest place to go from Prague in May?

Örnsköldsvik, Sweden, at 15.1 h. Reaching it emits 375 kg CO₂e return, travelling 5h 30m each way by air.

Can I get somewhere sunny from Prague in May without flying?

Yes. Ventspils reaches 14.4 h and is reachable by rail or ferry in 14h 48m, emitting 27.7 kg CO₂e return — though Örnsköldsvik is sunnier still, if you fly.

How much carbon does a return trip from Prague to Örnsköldsvik produce?

375 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.