Grand Baie weather in January
Mauritius

January in Grand Baie: hot, soaked, with clean air — fine if you can take 17 rainy days.
#12 of 12 months in Grand Baie · #462 of 1383 destinations to visit in January · comfort 80/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Grand Baie in January
No notes yet. Open Grand Baie on the map to add the first one.
Grand Baie climate normals — January
| Daytime high | 29°C / 84°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Feels like (high) | 33°C / 91°F | |
| Sea temperature | 27°C / 81°F | 😎 warm sea |
| Rainfall | 157 mm / 6.2 in | ⛈ soaked |
| Rainy days | 17 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 13.2 h | |
| Wind | 25 km/h / 16 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Grand Baie in January
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.
Peak crowdstravelers describe it as peak season, Festive season peak, school holidays in 5 of the markets that fill it
Sourced from traveler notes: “…osters were clear that direct cyclone hits are rare even in peak season, and outcomes vary widely year to year - some visitors get…” — MauritiusNorthCoastRegular
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 January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Thaipoosam Cavadee
15 Jan – 15 Feb · usuallyMajor festivalTamil Mauritians walk to the riverside temples carrying wooden cavadee frames after ten days of fasting, cheeks and tongues pierced. A public holiday, and a serious religious occasion rather than a parade. Source ↗
- 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 ↗
- Holiday
Festive season peak
15 Dec – 10 Jan · usuallyChristmas & New YearCrowdedBook earlyMauritian families and the European winter arrive at once, and Grand Baie's beaches, boats and restaurants run at capacity. Rates go to their yearly high and the good tables need booking days ahead. 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 January — FAQ
- Is January a good time to visit Grand Baie?
- January in Grand Baie: hot, soaked, with clean air — fine if you can take 17 rainy days. It ranks #12 of 12 months for Grand Baie on SeasonMap's comfort score (80/100).
- What is the weather like in Grand Baie in January?
- In January, Grand Baie averages a daily high of 29.1°C and a low of 25.4°C, with about 157.2 mm of rain over roughly 17.2 rainy days.
- What is the air quality in Grand Baie in January?
- Grand Baie has a mean US Air Quality Index of about 31 in January.
Other months in Grand Baie
Compare Grand Baie in January
Warmer or cooler than Grand Baie in January
Similar destinations in Indian Ocean — January
Within 300 km: Port Louis' Thaipoosam Cavadee around 15 Jan – 15 Feb.