Beau Vallon (Mahé) weather in October
Seychelles

October in Beau Vallon: sweltering, rainy, with clean air — fine if you can take sticky heat.
#3 of 12 months in Beau Vallon · #308 of 1383 destinations to visit in October · comfort 85/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Beau Vallon in October
Other months in Beau Vallon
Seychelles forum threads are consistent that January is the rainiest month of the year, and Beau Vallon specifically - on the northern side of Mahé - tends to see more rain and cloud than the island's southern coast, thanks to the northwest trade winds pushing cloud masses in this time of year. Despite that, posters were clear this isn't monsoon-style all-day rain: a typical day mixes real sunshine with rain showers, and most visitors get at least a few solid beach hours daily even in the wettest stretch. The general advice: expect a genuine mix of sun, cloud and rain rather than betting on either extreme.
Forum posters describe mid-March visits as mainly sunny and hot with the occasional full rain day mixed in - Seychelles weather is repeatedly called genuinely unpredictable, with posters noting the islands have real micro-climates that can make conditions differ from one side of Mahe to the other, so no forecast covers every variation. The specific seasonal issue for Beau Vallon in March is dead seaweed washing up on the beach, a recurring nuisance posters say clears up by late April into May, when the ocean also turns calmer with better visibility as temperatures and humidity start to ease. For travelers prioritizing clean sand and clear water over slightly warmer conditions, posters suggest that later window is the better trade-off.
Add your own note from Beau Vallon's card on the map.
Beau Vallon climate normals — October
| Daytime high | 30°C / 86°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Feels like (high) | 34°C / 93°F | |
| Sea temperature | 28°C / 83°F | ♨️ bath-warm |
| Rainfall | 95 mm / 3.7 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12.2 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Beau Vallon in October
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.
BusyFestival Kreol, school holidays in 4 of the markets that fill it(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).
Best weatherBeau Vallon's best weather comes in July, August and October — separate windows, not one continuous season.
October includes Whale sharks off the bay.
Best weatherFair weatherToughest weather
What's on in Beau Vallon in October
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Whale sharks off the bay
1 Aug – 31 Oct · usuallyDive seasonBook earlyThe monitoring programme runs from August to the end of October and the boats go out from the bay itself, spotter plane overhead. Numbers swing from year to year, so a blank day is a normal outcome rather than bad luck. Source ↗
- Festival
Festival Kreol
1–31 Oct · usuallyMajor festivalCrowdedThe Creole festival runs through October across Mahe, with the heaviest week at the end of the month. Beau Vallon gets the food stalls and the open-air music along the beach road. 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 October — FAQ
- Is October a good time to visit Beau Vallon?
- October in Beau Vallon: sweltering, rainy, with clean air — fine if you can take sticky heat. It ranks #3 of 12 months for Beau Vallon on SeasonMap's comfort score (85/100).
- What is the weather like in Beau Vallon in October?
- In October, Beau Vallon averages a daily high of 30.1°C and a low of 25.3°C, with about 95.2 mm of rain over roughly 14.6 rainy days.
- What is the air quality in Beau Vallon in October?
- Beau Vallon has a mean US Air Quality Index of about 35 in October.
Other months in Beau Vallon
Compare Beau Vallon in October
Warmer or cooler than Beau Vallon in October
Similar destinations in Indian Ocean — October
Within 300 km: Praslin's Hawksbill nesting around 1 Oct – 28 Feb.