May · France
Best time to visit Nantes in May Weather, crowds & prices
Weather in Nantes in May
Average temperature 15°C, 51 mm of rain, about 25 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
9.2/10
Ranked #3 of 12 months
- Avg temp
- 15°C
- Rainfall
- 51 mm
- Humidity
- 75%
- Days with 6h+ sun
- 25
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Nantes scores 9.2/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 15°C, 51 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.
Nantes mixes a ducal castle, the Machines de l'île and the Loire estuary's vineyards and beaches.
May is one of the strongest months in Nantes (3rd)
Temperatures hover around 15°C (60°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 51 mm of rain this month — a flexible day or two helps — with about 25 days with 6+ hours of sunshine and 14.9 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Nantes at 9.2/10 (3rd of 12), just behind July at 9.9/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Nantes in May?
- In May, Nantes averages 15°C, 51 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 9.2/10.
- Is May a good time to visit Nantes?
- May earns a 9.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Nantes in May?
- Expect about 51 mm of rain in May. Average humidity is 75% and there are about 25 days with 6+ hours of sunshine.
Curated in Nantes
Tickets & experiences
Things to do in Nantes
Nantes, France. Live activities and tours from GetYourGuide, matched to this destination.