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 perfect, 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mauritius, check out our Grand Baie's climate page.
Grand Baie Temperature in December
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 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 →
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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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mauritius, check out our Grand Baie's climate page.
See the full Grand Baie climate overview or explore weather in Mauritius.