May · France
Best time to visit Mont Saint-Michel in May Weather, crowds & prices
Weather in Mont Saint-Michel in May
Average temperature 15°C, 46 mm of rain, about 25 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
9.1/10
Ranked #4 of 12 months
- Avg temp
- 15°C
- Rainfall
- 46 mm
- Humidity
- 77%
- Days with 6h+ sun
- 25
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Mont Saint-Michel scores 9.1/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 15°C, 46 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.
Mont Saint-Michel rises from the tidal flats of Normandy, an abbey island reached across the sands.
May in Mont Saint-Michel — one of the year's strongest windows (4th)
Temperatures hover around 15°C (58°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 46 mm of rain this month — a flexible day or two helps — with about 25 days with 6+ hours of sunshine and 15 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Mont Saint-Michel at 9.1/10 (4th of 12), just behind July at 9.6/10.
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 Mont Saint-Michel in May?
- In May, Mont Saint-Michel averages 15°C, 46 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is May a good time to visit Mont Saint-Michel?
- May earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Mont Saint-Michel in May?
- Expect about 46 mm of rain in May. Average humidity is 77% and there are about 25 days with 6+ hours of sunshine.
Curated in Mont Saint-Michel
Tickets & experiences
Things to do in Mont Saint-Michel
Mont Saint-Michel, France. Live activities and tours from GetYourGuide, matched to this destination.