SeasonMapNantes weather in May
France
May in Nantes: nice, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Nantes · #393 of 1383 destinations to visit in May · comfort 86/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Nantes in May
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 — May
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 51°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 57 mm / 2.2 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 15.1 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Nantes in May
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.
BusySpring holidays in France, school holidays in 3 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).
Fair weatherNantes's weather peaks June–August.
Best weatherFair weatherToughest weather
Where is Nantes?
Nantes in May — FAQ
- Is May a good time to visit Nantes?
- May in Nantes: nice, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Nantes on SeasonMap's comfort score (86/100).
- What is the weather like in Nantes in May?
- In May, Nantes averages a daily high of 20.7°C and a low of 10.3°C, with about 56.6 mm of rain over roughly 8.7 rainy days.
- What is the air quality in Nantes in May?
- Nantes has a mean US Air Quality Index of about 39 in May.