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France · 47.22°, -1.55° · 19 m

Nantes

Nantes, France
Photo: Jibi44, CC BY 2.5, via Wikimedia Commons

Reaching Nantes from London emits 14.4 kg CO₂e return by rail (7h 48m each way) against 123 kg by air — 9× the carbon. It averages 19.8 °C in August and 6.6 °C in January.

Nantes (Breton: Naoned) is the capital of Pays de la Loire region in northwest France. — Wikivoyage, CC BY-SA 4.0

When to go: Nantes is warmest in August (19.8 °C), sunniest in June (12.3 h a day); coldest in January (6.6 °C). Month by month

14.4kg CO₂e return by rail, from London
123kg CO₂e return by air, from London
12.3hours of sunshine a day in June, its brightest month

Getting there

Return carbon and one-way journey time to Nantes. Times are modelled.
FromDistanceBy railRail timeBy airAir time
Amsterdam736 km21.7 kg8h 12m185 kg4h 30m
Barcelona712 km21.0 kg11h 36m179 kg4h 24m
Berlin1,221 km36.0 kg13h 36m307 kg5h 6m
Birmingham586 km27.5 kg10h 36m147 kg4h 18m
Bristol477 km28.2 kg10h 48m120 kg4h 6m
Brussels590 km17.4 kg6h 18m148 kg4h 18m
Cardiff488 km31.4 kg11h 6m123 kg4h 12m
Copenhagen1,352 km39.9 kg19h 6m340 kg5h 18m
Dublin757 km——190 kg4h 30m
Edinburgh978 km57.3 kg13h 36m246 kg4h 48m
Frankfurt817 km24.1 kg8h 30m206 kg4h 36m
Glasgow979 km59.1 kg13h 42m246 kg4h 48m
Leeds732 km36.3 kg11h 24m184 kg4h 30m
Lisbon1,127 km33.3 kg18h 12m284 kg5h
Liverpool696 km37.4 kg11h 24m175 kg4h 24m
London488 km14.4 kg7h 48m123 kg4h 12m
Madrid776 km22.9 kg12h 54m195 kg4h 30m
Manchester698 km35.4 kg11h 18m176 kg4h 24m
Milan847 km25.0 kg11h 54m213 kg4h 36m
Munich987 km29.1 kg10h 36m248 kg4h 48m
Newcastle862 km46.4 kg12h 6m217 kg4h 36m
Nottingham639 km28.5 kg10h 54m161 kg4h 24m
Oslo1,623 km47.9 kg25h 24m408 kg5h 42m
Paris342 km10.1 kg3h 30m86.1 kg4h
Prague1,213 km35.8 kg17h 24m305 kg5h 6m
Rome1,259 km37.2 kg15h 54m317 kg5h 12m
Sheffield686 km32.7 kg11h 12m173 kg4h 24m
Southampton410 km23.4 kg10h 30m103 kg4h
Stockholm1,861 km54.9 kg25h 24m468 kg6h
Vienna1,343 km39.6 kg15h 42m338 kg5h 18m
Warsaw1,707 km50.4 kg21h 6m429 kg5h 48m
Zurich762 km22.5 kg9h192 kg4h 30m

The year in Nantes

Average temperature, °C — warmest in August
January: 6.6 °C6.6 °CJanFebruary: 8.1 °CFebMarch: 9.4 °CMarApril: 11.2 °CAprMay: 14.9 °CMayJune: 18.9 °CJunJuly: 19.0 °CJulAugust: 19.8 °C19.8 °CAugSeptember: 17.8 °CSepOctober: 14.8 °COctNovember: 10.5 °CNovDecember: 8.2 °CDec
Sunshine, hours a day — brightest in June
January: 5.0 hJanFebruary: 5.1 hFebMarch: 7.2 hMarApril: 8.8 hAprMay: 11.0 hMayJune: 12.3 h12.3 hJunJuly: 11.1 hJulAugust: 10.8 hAugSeptember: 9.3 hSepOctober: 6.5 hOctNovember: 5.0 hNovDecember: 4.5 h4.5 hDec
Historical daily means for 2023–2024, by month (ERA5 reanalysis) — averaged across day and night
 JanFebMarAprMayJunJulAugSepOctNovDec
Temp °C6.68.19.411.214.918.919.019.817.814.810.58.2
Sun h/day5.05.17.28.811.012.311.110.89.36.55.04.5
Rain mm/day3.72.63.82.62.51.72.51.53.44.93.52.3

When to go

Nantes is warmest in August at 19.8 °C but brightest in June, averaging 12.3 hours of sun a day — the two do not always coincide, which is worth knowing before booking. Its coldest is January at 6.6 °C.

Three months worth booking

The same year of measurements, decided rather than tabulated. Each opens the map below on dates in that month.

Staying there

A hotel room in France emits about 6.7 kg CO₂e per night under UK Government 2026 factors — a country average per occupied room, not this or any particular hotel. 7 nights in one room adds roughly 47 kg — about 4.6× the carbon of one person getting there by rail from Paris. Two sharing the room halve that share each; the journey does not halve.

How busy it gets

Loire-Atlantique records 5.5 overnight stays per resident a year (8,335,347 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 Nantes

Places to stay in Nantes, France, on a live map. Prices and availability come from Stay22 and its booking partners.

Search places to stay in Nantes →Opens the booking search in a new tab. Same partners as the map below.

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.