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Grand Baie Weather in August

August in Grand Baie brings high temperatures, with daytime highs of 24°C (75°F) and nights around 21°C (70°F). The perfect weather makes it a solid choice for a visit.

Rainfall in Grand Baie in August

The climate data from previous years indicates about 15 days of rain, averaging 28 mm (1.1 in) for the month. 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 August

August tends to be one of the perfect months in Grand Baie, with 24°C (75°F) in the afternoon and 21°C (70°F) overnight. This kind of day-to-night contrast is typical for this time of year. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing. It may be the cooler month of the year, but temperatures remain warm enough for outdoor activities.

Sunshine in Grand Baie in August

Expect sunny days throughout the month, with an estimated 219 hours of sunshine. This makes it a pleasant time to visit Grand Baie.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September, October, November and December typically offer the best weather for Grand Baie.

Select a Month

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 August

Min TemperatureMin Temperature 21°C (70°F)  
Max TemperatureMax Temperature 24°C (75°F)  
Chance of RainChance of Rain 51%  
PrecipitationPrecipitation 28 mm (1.1 in)  
Rainy daysRainy days 15 days  
SunshineSunshine 219 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Port Louis, Mauritius (18 KM, 11 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Grand Baie typically stay consistent throughout August, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows around 18°C (64°F).

Average temperatures in August

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 August

Historical weather for Grand Baie in August

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 August

According to our 49 years of weather records for Grand Baie, the following extremes were recorded between 1976 and 2025.

  • On August 22, 1994, temperatures climbed to 29°C (84°F), marking the warmest August day on record.
  • Grand Baie experienced its chilliest August day on August 14, 1991, reaching only 17°C (63°F).
  • Nighttime temperatures dropped to 9°C (48°F) on August 16, 1988, marking the coldest August night on record.

Best Places in Mauritius in August

Find out more about the weather in Mauritius and which places have the best travel conditions in this month. See all of Mauritius in August →

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Legend 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 August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Grand Baie in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
10/10
Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
10/10
Outdoor sports
10/10

Select a Month

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.

More climate data for Grand Baie