0xCarbon
United Kingdom · 51.62°, -3.94° · 18 m

Swansea

Reaching Swansea from Birmingham emits 13.6 kg CO₂e return by rail (4h 18m each way) against 77.7 kg by air — 6× the carbon. It averages 16.3 °C in August and 5.6 °C in January.

13.6kg CO₂e return by rail, from Birmingham
121kg CO₂e return by air, from London
11.7hours of sunshine a day in June, its brightest month

Getting there

Return carbon and modelled one-way journey time to Swansea
FromDistanceBy railRail timeBy airAir time
Amsterdam610 km31.8 kg10h 30m154 kg4h 18m
Barcelona1,229 km54.8 kg21h 12m309 kg5h 6m
Berlin1,187 km48.7 kg18h 24m299 kg5h 6m
Birmingham169 km13.6 kg4h 18m77.7 kg3h 42m
Brussels583 km30.7 kg10h147 kg4h 18m
Copenhagen1,174 km49.4 kg18h 42m295 kg5h 6m
Dublin246 km61.9 kg3h 48m
Edinburgh484 km38.9 kg8h 36m222 kg4h 6m
Frankfurt901 km40.0 kg14h 18m227 kg4h 42m
Glasgow472 km38.0 kg8h 30m217 kg4h 6m
Leeds291 km23.4 kg6h133 kg3h 54m
Lisbon1,490 km68.0 kg27h 18m375 kg5h 30m
Liverpool209 km16.8 kg4h 54m96.0 kg3h 48m
London264 km21.2 kg5h 36m121 kg3h 54m
Madrid1,246 km58.5 kg22h 54m313 kg5h 12m
Manchester237 km19.0 kg5h 12m109 kg3h 48m
Milan1,182 km49.5 kg18h 42m297 kg5h 6m
Munich1,175 km48.3 kg18h 12m296 kg5h 6m
Newcastle404 km32.4 kg7h 30m185 kg4h
Nottingham241 km19.4 kg5h 18m111 kg3h 48m
Oslo1,296 km55.3 kg21h 24m326 kg5h 12m
Paris543 km31.4 kg10h 18m137 kg4h 12m
Prague1,297 km51.7 kg19h 42m326 kg5h 12m
Rome1,649 km63.6 kg25h 18m415 kg5h 42m
Sheffield258 km20.7 kg5h 30m118 kg3h 48m
Southampton194 km15.6 kg4h 42m88.9 kg3h 48m
Stockholm1,619 km63.5 kg25h 12m407 kg5h 42m
Vienna1,498 km57.7 kg22h 30m377 kg5h 30m
Warsaw1,704 km64.0 kg25h 24m429 kg5h 48m
Zurich1,017 km44.2 kg16h 18m256 kg4h 54m

The year in Swansea

ERA5 reanalysis, 2023–2024 monthly means
 JanFebMarAprMayJunJulAugSepOctNovDec
Temp °C5.67.37.69.113.215.715.816.315.612.68.88.2
Sun h/day3.94.05.77.311.111.79.48.77.55.63.92.4
Rain mm/day5.74.56.94.03.02.05.24.85.66.04.36.7

When to go

Swansea is warmest in August at 16.3 °C but brightest in June, averaging 11.7 hours of sun a day — the two do not always coincide, which is worth knowing before booking. Its coldest is January at 5.6 °C.

Staying there

A hotel room in United Kingdom emits about 10.4 kg CO₂e per night under UK Government 2026 factors, so a week adds roughly 73 kg — about 5.4× the carbon of getting there by rail from Birmingham.

Where to stay in Swansea

Places to stay in Swansea, United Kingdom, 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.

Distances are great-circle. Rail assumes international rail at 0.01135 kg CO₂e per passenger-km with a 1.3× track detour allowance; flights use 0.12576 kg per passenger-km including radiative forcing. Journey times are modelled, not timetabled. Full method.