Nantes, FranceQuick decision
When to visit Nantes?
🌞 Best time overall
July
🌡️ Optimal temperature
16°C–24°C in July
🌧 Least rain
25% rainy days in July
🌧 Wettest month
January (44%)
📅 Best score
8.6/10
By trip type
Best time by type of trip
Machines of the IsleYear-round — giant mechanical elephant, Carousel of the Marine Worlds.
Castle of the Dukes of BrittanyYear-round — medieval fortress, free history museum.
Muscadet & vineyardsSep–Oct — Muscadet wine route, tastings along the Loire.
Voyage à NantesJul–Aug — summer urban art trail, temporary installations.
Monthly climate data
Nantes weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 4°C | 10°C | 44% | 3.2 | 4.9h | 4.0/10 |
| 🌦️ February | 5°C | 11°C | 41% | 2.4 | 6.8h | 4.3/10 |
| 🌦️ March | 6°C | 13°C | 42% | 2.4 | 8.8h | 5.1/10 |
| ⛅ April | 8°C | 15°C | 31% | 1.9 | 11.7h | 7.0/10 |
| 🌤️ May | 11°C | 19°C | 39% | 2.0 | 12.6h | 7.3/10 |
| 🌤️ June | 14°C | 22°C | 37% | 2.3 | 13.5h | 7.9/10 |
| 🌤️ July | 16°C | 24°C | 25% | 1.4 | 13.9h | 8.6/10 |
| 🌤️ August | 16°C | 24°C | 25% | 1.3 | 12.7h | 8.4/10 |
| 🌤️ September | 13°C | 22°C | 34% | 1.9 | 11.0h | 7.7/10 |
| 🌦️ October | 11°C | 18°C | 40% | 3.4 | 8.5h | 7.0/10 |
| 🌦️ November | 7°C | 13°C | 41% | 3.2 | 7.0h | 4.6/10 |
| 🌦️ December | 5°C | 11°C | 42% | 3.2 | 4.8h | 4.0/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 16°C, 37% rainy days, 11.0h sunshine/day. Score: 6.5/10.
☀️ Summer (Jun–Aug) — Good time
Average 23°C, 29% rainy days, 13.4h sunshine/day. Score: 8.3/10.
🍂 Autumn (Sep–Nov) — Acceptable
Average 18°C, 38% rainy days, 8.8h sunshine/day. Score: 6.4/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 11°C, 42% rainy days, 5.5h sunshine/day. Score: 4.1/10.
Accommodation
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Tip : April, October offer a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Nantes
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 25% rainy days and 24°C.
January is the wettest month with 44% rainy days.
Yes, July is the best month with an average of 24°C.
In winter, the average score is 4.1/10. Difficult period — prefer the peak season.
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