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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 excellent 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 excellent 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.
Grand Baie Temperature in August
Min Temperature
21°C (70°F)
Max Temperature
24°C (75°F)
Chance of Rain
51%
Precipitation
28 mm (1.1 in)
Rainy days
15 days
Sunshine
219 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 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 records 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 50 years of weather records for Grand Baie, the following extremes were recorded between 1976 and 2026.
- 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 →
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.
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Swimming10/10 -
Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
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 August
Where to go in August - average daytime high across popular destinations.
Port Maturin
24°C (75°F) Curepipe24°C (75°F) Port Louis24°C (75°F) Bel Ombre24°C (75°F) Grand Baie24°C (75°F) Port Mathurin24°C (75°F) Flic-en-Flac25°C (77°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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