Beau Vallon (Mahé) weather by month
The best time to visit Beau Vallon (Mahé) is July, August and October — 88/100 in August, 28°C and 12 rainy days. The best season is the dry season, June to August (86/100 on average).
The worst month is December at 68/100 — sweltering, soaked, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Seychelles →
Best season: June to August (86/100 on average) · worst December (68/100)
- Days
- 28°C
- Nights
- 24°C
- Wet days
- 12
- Sun
- 10.5 h
- Humidity
- 84%
- Daylight
- 12 h

Beau Vallon, month by month
Comfort score out of 100 for the kind of trip Beau Vallon is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Beau Vallon through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Beau Vallon in August
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.
Busyschool holidays in 4 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on Beau Vallon
What people who have been say about the place — the year-round notes first, then month by month.
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.