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Grand Baie Weather in December
During December, Grand Baie experiences high daytime temperatures of 28°C (82°F) and cooler nights around 25°C (77°F). Expect quite a bit of rainfall. Around 74 mm (2.9 in) is typical.
Rainfall in Grand Baie in December
This month experiences about 16 days of rain according to historical data, averaging 74 mm (2.9 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Grand Baie in December
December in Grand Baie is generally excellent, with days reaching 28°C (82°F) and nights settling around 25°C (77°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Grand Baie in December
The days are predominantly sunny, with an estimated total of around 283 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Grand Baie.
Grand Baie Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
53%
Precipitation
74 mm (2.9 in)
Rainy days
16 days
Sunshine
283 hours *
Percentage Sunshine
*
* Data from: Port Louis, Mauritius (18 KM, 11 Miles).
Grand Baie Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand Baie - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grand Baie typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Grand Baie in December
Browse day-by-day weather records for Grand Baie spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grand Baie historical weather extremes in December
The extremes listed below come from historical weather data collected in Grand Baie from 1976 through 2025.
- The hottest December day on record in Grand Baie reached 33°C (91°F) (December 19, 2012).
- On December 3, 1992, Grand Baie saw its coldest December day with temperatures maxing out at 21°C (70°F).
- Grand Baie registered its coldest December night on December 1, 1980, with temperatures dropping to 16°C (61°F).
Best Places in Mauritius in December
Find out more about the weather in Mauritius and which places have the best travel conditions in this month. See all of Mauritius in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Grand Baie in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Grand Baie in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Grand Baie 3-Day Forecast
More climate data for Grand Baie
See the full Grand Baie climate overview or explore weather in Mauritius.
Popular in December
Where to go in December - average daytime high across popular destinations.
Port Louis
29°C (84°F) Curepipe29°C (84°F) Flic-en-Flac29°C (84°F) Bel Ombre29°C (84°F) Grand Baie28°C (82°F) Port Maturin27°C (81°F) Port Mathurin27°C (81°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
You will never forget this unique sustainable hotel in Mauritius
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