0xCarbon
Sheffield · May · sunshine

Sunniest places to go from Sheffield in May

The sunniest place you can reach from Sheffield in May within 15 hours is Gävle at 14.7 h, costing 347 kg CO₂e return. The lowest-carbon option is Colwyn Bay at 12.1 kg — 29× less carbon for 3.9 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.

Colwyn BayGävle
Where they are. Solid lines are rail or ferry, dashed are flights, from Sheffield. Pick one to compare.
Carbon against sunshine, May, departing Sheffield. Journeys of up to 15 hours each way.8 destinations. Lowest carbon Colwyn Bay at 12.1 kilograms and 10.8 h; best for sunshine Gävle at 347 kilograms and 14.7 h. Colwyn Bay · 12.1 kgMargate · 23.7 kgKristiansand · 200 kgGävle · 347 kg

By rail or ferry By air

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

What the 15-hour limit costs: at this budget Karlstad can only be reached by air — 285 kg CO₂e, in 5h. Allow up to 24 hours and the train does the same journey for 54.4 kg in 21h 48m — 5× less carbon for 16h 48m more travelling.

May from Sheffield — 8 destinations on the frontier, 3 without flying.
DestinationHowCO₂e returnTempSun/dayRain/dayJourney
Colwyn Bay, United KingdomRail12.1 kg13.0 °C10.8 h2.2 mm4h 6m
Cardiff, United KingdomRail19.4 kg13.3 °C11.7 h2.9 mm5h 18m
Margate, United KingdomRail23.7 kg12.8 °C11.9 h2.6 mm6h
Kristiansand, NorwayAir200 kg12.6 °C13.0 h2.5 mm4h 36m
Aalborg, DenmarkAir208 kg13.3 °C13.1 h1.5 mm4h 36m
Elsinore, DenmarkAir239 kg13.5 °C14.0 h0.5 mm4h 48m
Karlstad, SwedenAir285 kg13.6 °C14.3 h1.1 mm5h
Gävle, SwedenAir347 kg12.6 °C14.7 h0.7 mm5h 18m

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 Margate (23.7 kg, 11.9 h) to Kristiansand (200 kg, 13.0 h) buys 1.1 hours more sunshine for an extra 176 kg — 160 kg of CO₂e per hour. That single step is the most expensive sunshine on the whole curve.

The pick of them

If you'd rather have heat than sunshine

May answers differently depending on what you're after. The warmest destinations from Sheffield 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 Gävle

Places to stay in Gävle, 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 Sheffield

May from elsewhere

Questions

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

Gävle, Sweden, at 14.7 h. Reaching it emits 347 kg CO₂e return, travelling 5h 18m each way by air.

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

Yes. Margate reaches 11.9 h and is reachable by rail or ferry in 6h, emitting 23.7 kg CO₂e return — though Gävle is sunnier still, if you fly.

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

347 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.