SeasonMapBeau Vallon (Mahé) weather in December
Seychelles
December in Beau Vallon: warm, soaked, with clean air — fine if you can take 24 rainy days.
#11 of 12 months in Beau Vallon · #779 of 1383 destinations to visit in December · comfort 67/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Beau Vallon in December
No notes yet. Open Beau Vallon on the map to add the first one.
Beau Vallon climate normals — December
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Sea temperature | 29°C / 84°F | ♨️ bath-warm |
| Rainfall | 307 mm / 12.1 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 12.4 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 24 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Beau Vallon in December
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.
Quietschool holidays in 5 of the markets that fill it, one of its worst months for weather(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).
Toughest 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 December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Wet season
MonsoonRisk24 rainy days and about 307 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
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 December — FAQ
- Is December a good time to visit Beau Vallon?
- December in Beau Vallon: warm, soaked, with clean air — fine if you can take 24 rainy days. It ranks #11 of 12 months for Beau Vallon on SeasonMap's comfort score (67/100).
- What is the weather like in Beau Vallon in December?
- In December, Beau Vallon averages a daily high of 27.2°C and a low of 25.6°C, with about 307.1 mm of rain over roughly 23.6 rainy days.
- What is the air quality in Beau Vallon in December?
- Beau Vallon has a mean US Air Quality Index of about 24 in December.
Other months in Beau Vallon
Compare Beau Vallon in December
Warmer or cooler than Beau Vallon in December
Similar destinations in Indian Ocean — December
Within 300 km: Praslin's Hawksbill nesting around 1 Oct – 28 Feb.