Beau Vallon (Mahé) weather in May
Seychelles

May in Beau Vallon: warm, soaked, with clean air — fine if you can take 19 rainy days.
#8 of 12 months in Beau Vallon · #926 of 1383 destinations to visit in May · comfort 74/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Beau Vallon in May
No notes yet. Open Beau Vallon on the map to add the first one.
Beau Vallon climate normals — May
| Daytime high | 28°C / 82°F | 🌤 warm |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Sea temperature | 30°C / 85°F | ♨️ bath-warm |
| Rainfall | 207 mm / 8.2 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10 h/day | |
| Daylight | 11.9 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 30 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Beau Vallon 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.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Beau Vallon'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 weatherBeau Vallon's best weather comes in February, March and August — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Beau Vallon in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Southeast trades
1 May – 30 SepWind seasonThe southeast monsoon is the drier, cooler and windier half of the year. Boats to the outer islands get cancelled more often and the water loses its clarity, but the humidity drops and walking the Morne trails stops being a chore. Source ↗
Nearby, and something's on
Within 300 km of Beau Vallon — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Beau Vallon?
Beau Vallon in May — FAQ
- Is May a good time to visit Beau Vallon?
- May in Beau Vallon: warm, soaked, with clean air — fine if you can take 19 rainy days. It ranks #8 of 12 months for Beau Vallon on SeasonMap's comfort score (74/100).
- What is the weather like in Beau Vallon in May?
- In May, Beau Vallon averages a daily high of 27.9°C and a low of 26.3°C, with about 207.4 mm of rain over roughly 18.8 rainy days.
- What is the air quality in Beau Vallon in May?
- Beau Vallon has a mean US Air Quality Index of about 30 in May.
Other months in Beau Vallon
Compare Beau Vallon in May
Warmer or cooler than Beau Vallon in May
Similar destinations in Indian Ocean — May
Within 300 km: Praslin's The calm between monsoons around 25 Mar – 10 May.