Grand Baie, Mauritius weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: September – June
What is the weather like in Grand Baie, Mauritius in December?
In December, Grand Baie, Mauritius is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 26.9 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. It is the rainy season: rain falls on about 19 days, totalling 104 mm. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Grand Baie, Mauritius.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 86 | 80 | 77 |
| Day | 27° | 28° | 28° |
| Night | 23° | 24° | 25° |
| Sea | 25° | 27° | 28° |
| Sun | 9 h | 9 h | 8 h |
| Rain days | 13 | 19 | 25 |
More details for December
- Daylight
- 13 h 20 min05:25 – 18:45
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or more
- Wind
- 23 km/haverage daily peak
- Cloud cover
- 52 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+4Indian/Mauritius
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Grand Baie, Mauritius in December: quick answers
Is Grand Baie, Mauritius hot in December?
Yes. In December, Grand Baie, Mauritius is hot: daytime highs average 28 °C and nights stay around 24 °C.
Can you swim in Grand Baie, Mauritius in December?
Yes. In December the sea averages 26.9 °C – lovely and warm for swimming.
Does it rain much in Grand Baie, Mauritius in December?
It rains often – on about 19 days, adding up to 104 mm.
Grand Baie, Mauritius month by month
The whole year in Grand Baie, MauritiusAll destinations: MauritiusWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)