0xCarbon
France · 48.65°, -2.01° · 10 m

St-Malo

Reaching St-Malo from Paris emits 9.5 kg CO₂e return by rail (6h 24m each way) against 80.6 kg by air — 8× the carbon. It averages 18.5 °C in August and 7.4 °C in January.

9.5kg CO₂e return by rail, from Paris
86.9kg CO₂e return by air, from London
12.8hours of sunshine a day in June, its brightest month

Getting there

Return carbon and modelled one-way journey time to St-Malo
FromDistanceBy railRail timeBy airAir time
Amsterdam640 km18.9 kg10h 48m161 kg4h 24m
Barcelona871 km25.7 kg13h 54m219 kg4h 42m
Berlin1,168 km34.5 kg18h294 kg5h 6m
Birmingham426 km23.3 kg8h 54m107 kg4h 6m
Bristol315 km23.9 kg9h 6m79.2 kg3h 54m
Brussels518 km15.3 kg9h 6m130 kg4h 12m
Cardiff326 km27.2 kg9h 36m82.0 kg3h 54m
Copenhagen1,260 km37.2 kg19h 12m317 kg5h 12m
Dublin599 km151 kg4h 18m
Edinburgh816 km53.1 kg14h205 kg4h 36m
Frankfurt790 km23.3 kg12h 48m199 kg4h 36m
Glasgow817 km54.8 kg14h 18m206 kg4h 36m
Leeds573 km32.0 kg10h 24m144 kg4h 18m
Lisbon1,242 km36.7 kg19h313 kg5h 12m
Liverpool534 km33.2 kg10h 36m134 kg4h 12m
London345 km10.2 kg6h 42m86.9 kg4h
Madrid925 km27.3 kg14h 42m233 kg4h 42m
Manchester538 km31.2 kg10h 18m135 kg4h 12m
Milan918 km27.1 kg14h 36m231 kg4h 42m
Munich1,003 km29.6 kg15h 42m252 kg4h 48m
Newcastle704 km42.2 kg12h 12m177 kg4h 24m
Nottingham483 km24.3 kg9h 6m121 kg4h 6m
Oslo1,496 km44.1 kg22h 30m376 kg5h 30m
Paris320 km9.5 kg6h 24m80.6 kg3h 54m
Prague1,198 km35.4 kg18h 24m301 kg5h 6m
Rome1,359 km40.1 kg20h 36m342 kg5h 18m
Sheffield528 km28.5 kg9h 48m133 kg4h 12m
Southampton255 km19.1 kg8h 12m64.0 kg3h 48m
Stockholm1,758 km51.9 kg26h 6m442 kg5h 48m
Vienna1,354 km40.0 kg20h 30m341 kg5h 18m
Warsaw1,671 km49.3 kg24h 54m420 kg5h 42m
Zurich798 km23.5 kg12h 54m201 kg4h 36m

The year in St-Malo

ERA5 reanalysis, 2023–2024 monthly means
 JanFebMarAprMayJunJulAugSepOctNovDec
Temp °C7.48.69.510.813.716.617.618.517.615.011.59.5
Sun h/day4.74.96.99.011.812.810.210.38.97.14.13.8
Rain mm/day2.72.02.92.21.71.33.22.73.03.04.42.8

When to go

St-Malo is warmest in August at 18.5 °C but brightest in June, averaging 12.8 hours of sun a day — the two do not always coincide, which is worth knowing before booking. Its coldest is January at 7.4 °C.

Staying there

A hotel room in France emits about 6.7 kg CO₂e per night under UK Government 2026 factors, so a week adds roughly 47 kg — about 4.9× the carbon of getting there by rail from Paris.

How busy it gets

Ille-et-Vilaine records 5 overnight stays per resident a year (5,665,322 nights in 2025). Comparatively quiet by European standards.

Eurostat, nights spent at tourist accommodation by NUTS 3 region, against resident population. Shown for context only — it plays no part in which destinations appear or in what order. Eurostat does not cover the United Kingdom after 2016, nor North Africa or the Levant at all, so this figure is absent for roughly a third of the destinations here.

Where to stay in St-Malo

Places to stay in St-Malo, France, 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.