SeasonMapNantes weather in August
France
August in Nantes: warm, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Nantes · #141 of 1383 destinations to visit in August · comfort 92/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Nantes in August
Other months in Nantes
Nantes's forum rates summer, roughly May through September, as the pleasant stretch for a visit, with July generally good for both the city and nearby coastal Brittany. Regulars note Nantes sits close enough to the Atlantic that a hot spell can be escaped with a short train ride to the seaside, and flag the region's weather as genuinely changeable year to year given its exposure to Atlantic systems.
Add your own note from Nantes's card on the map.
Nantes climate normals — August
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 37 mm / 1.5 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 14.2 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Nantes in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer holidays in France, school holidays in 6 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Nantes's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherNantes's weather peaks June–August.
August includes Le Voyage a Nantes.
Best weatherFair weatherToughest weather
What's on in Nantes in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Le Voyage a Nantes
4 Jul – 6 SepSummer season opensA green line painted on the pavement links a couple of dozen commissioned works across the city for the summer, most of them free and outdoors. The art changes every year; the line does not. Source ↗
Nearby, and something's on
Within 300 km of Nantes — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Nantes?
Nantes in August — FAQ
- Is August a good time to visit Nantes?
- August in Nantes: warm, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Nantes on SeasonMap's comfort score (92/100).
- What is the weather like in Nantes in August?
- In August, Nantes averages a daily high of 26.3°C and a low of 14.8°C, with about 37.3 mm of rain over roughly 7.3 rainy days.
- What is the air quality in Nantes in August?
- Nantes has a mean US Air Quality Index of about 33 in August.
Other months in Nantes
Compare Nantes in August
Warmer or cooler than Nantes in August
Similar destinations in Western Europe — August
Within 300 km: La Rochelle's Atlantic swimming season around 25 Jun – 20 Sep, and Bordeaux's The August emptying around 1–25 Aug.