SeasonMapGrand Baie weather in May
Mauritius
May in Grand Baie: warm, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Grand Baie · #205 of 1383 destinations to visit in May · comfort 89/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Grand Baie in May
No notes yet. Open Grand Baie on the map to add the first one.
Grand Baie climate normals — May
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 27°C / 81°F | |
| Sea temperature | 27°C / 81°F | 😎 warm sea |
| Rainfall | 34 mm / 1.3 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 11.2 h | |
| Wind | 28 km/h / 17 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Grand Baie 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 Grand Baie'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 weatherGrand Baie's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Grand Baie in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
The south-east trades
15 May – 31 Oct · usuallyWind seasonThe trade winds blow through the winter and the island reorganises around them. Grand Baie sits on the sheltered north coast, which is why the dive boats and the island-hopping trips leave from here.
- Hazard
Cyclone season
15 Nov – 15 May · usuallyThe Mauritius Meteorological Services run their cyclone warning classes from mid-November to mid-May. A class III shuts the island down, shops and boats included, usually for a day or two; January to March is the likeliest stretch. Source ↗
Nearby, and something's on
Within 300 km of Grand Baie — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Grand Baie?
Grand Baie in May — FAQ
- Is May a good time to visit Grand Baie?
- May in Grand Baie: warm, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Grand Baie on SeasonMap's comfort score (89/100).
- What is the weather like in Grand Baie in May?
- In May, Grand Baie averages a daily high of 26.7°C and a low of 23.1°C, with about 34.1 mm of rain over roughly 7.5 rainy days.
- What is the air quality in Grand Baie in May?
- Grand Baie has a mean US Air Quality Index of about 36 in May.
Other months in Grand Baie
Compare Grand Baie in May
Warmer or cooler than Grand Baie in May
Similar destinations in Indian Ocean — May
Within 300 km: Port Louis' Champ de Mars racing season around 1 Apr – 30 Nov.