Mild and serene, Mauritius’s weather in August offers a peaceful escape during the island’s coolest month. While technically part of winter in the southern hemisphere, August in Mauritius still feels pleasantly warm by many travelers’ standards. Days are dry and sunny, the ocean remains swimmable, and the island’s landscapes are crisp and green.
Humidity is lower, and rainfall is rare and light-usually appearing as short, refreshing showers. It’s a perfect month for long walks, nature adventures, and relaxed coastal stays without the intense heat of summer. Let’s explore how Mauritius’s weather in August unfolds across each region.
Mauritius has a perfect year-round sub-tropical climate with two distinct seasons. There are two seasons: a hot humid summer from December to April and a cooler but still warm dry winter from May to November.
Based on the beach/pool score, the best times of year to visit Mauritius for hot-weather activities are from early April to late June and from late September to mid December.
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General Weather Conditions in August
August in Mauritius has milder temperatures and no rain, ideal for sunny days but without the intense heat. It's best to stay on the west or north coast during August because the beaches are more sheltered from wind. August is a festival month on the island with the Ganesh Chaturthi Festival honoring the God Ganesh.
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The coldest month of the year in Mauritius is August, with an average low of 66°F and high of 75°F.Daily high temperatures are around 75°F, rarely falling below 72°F or exceeding 78°F. Daily low temperatures are around 67°F, rarely falling below 62°F or exceeding 70°F. The lowest daily average low temperature is 66°F on August 27.
For reference, on January 29, the hottest day of the year, temperatures in Mauritius typically range from 76°F to 85°F, while on August 26, the coldest day of the year, they range from 66°F to 75°F.
The month of August in Mauritius experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 12% throughout the month. The clearest day of the month is August 30, with clear, mostly clear, or partly cloudy conditions 89% of the time.
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Mauritius, the chance of a wet day over the course of August is essentially constant, remaining around 6% throughout.The average sliding 31-day rainfall during August in Mauritius is essentially constant, remaining about 0.4 inches throughout, and rarely exceeding 1.1 inches.
Over the course of August in Mauritius, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 29 minutes, implying an average daily increase of 58 seconds, and weekly increase of 6 minutes, 48 seconds. The shortest day of the month is August 1, with 11 hours, 13 minutes of daylight and the longest day is August 31, with 11 hours, 42 minutes of daylight.
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The latest sunrise of the month in Mauritius is 6:39 AM on August 1 and the earliest sunrise is 21 minutes earlier at 6:19 AM on August 31. The earliest sunset is 5:52 PM on August 1 and the latest sunset is 9 minutes later at 6:00 PM on August 31.
The chance that a given day will be muggy in Mauritius is essentially constant during August, remaining within 2% of 21% throughout. The lowest chance of a muggy day during August is 19% on August 19.
The average hourly wind speed in Mauritius is decreasing during August, decreasing from 17.6 miles per hour to 16.6 miles per hour over the course of the month. The hourly average wind direction in Mauritius throughout August is predominantly from the east, with a peak proportion of 89% on August 1.
The average surface water temperature in Mauritius is essentially constant during August, remaining around 74°F throughout.
The average daily incident shortwave solar energy in Mauritius is gradually increasing during August, rising by 1.0 kWh, from 4.6 kWh to 5.6 kWh, over the course of the month.
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Based on this score, the best time of year to visit Mauritius for general outdoor tourist activities is from mid May to early November, with a peak score in the third week of August.
Please be advised that the information above should be used as a general guide. As here in the UK, the weather is unpredictable and subject to variation!
It rains regularly from December to April. Rainfall is sporadic during these months.
Regional Weather Details in August
Mauritius’s weather in August is calm, breezy, and beautifully balanced. It’s the best month for those who prefer cooler days, fewer crowds, and time spent outdoors. Whether you’re hiking the cooler central plateau, sailing off the west coast, or simply relaxing on a peaceful beach, August gives you space to slow down and soak up the island’s natural charm.
Here's a breakdown of what to expect in different regions:
Northern Coast (Grand Bay, Pereybere)
Mauritius’s weather in August on the north coast is comfortably cool and sunny. Daytime highs reach around 23.5 °C (74 °F), with nighttime lows near 21.3 °C (70 °F). Rainfall is minimal-only about 16 mm spread across a few days. With around 7 hours of sunshine daily and sea temperatures of 24 °C, this region remains an ideal spot for laid-back beach days and boat trips.
Northwestern Coast (Mont Choisy, Trou aux Biches)
Similar to the north, this area enjoys dry, steady weather in August. Daytime temperatures reach 24 °C and drop to around 19-20 °C at night. The air is fresh, with humidity levels around 70%. Mauritius’s weather in August here is great for active travelers, especially for early morning swims and afternoon hikes.
Western Coast (Flic en Flac, Tamarin)
This is one of the sunniest and driest areas in August. Temperatures peak at 23.5-24 °C during the day, and nights stay mild at 21-22 °C. Rainfall is low-between 16 and 45 mm over a few days. With up to 7 hours of sunshine and a warm sea at 24 °C, Mauritius’s weather in August on the west coast is great for snorkeling, sunset cruises, and full beach days.
Southwestern Coast (Le Morne)
In Le Morne, trade winds bring a cooling effect. Expect highs around 22 °C (72 °F) and lows around 16 °C (61 °F). Rainfall averages 70 mm over 7 days. The weather is often breezy, with 5.5 hours of sunshine per day. Sea conditions are perfect for surfing and kiteboarding at 23 °C.
Southern Coast (Bel Ombre, Souillac)
Mauritius’s weather in August in the south is cool and comfortable. Daytime temperatures average 22-23 °C, with nights dipping to 16-17 °C. Humidity is lower, and rain is light-about 70 mm during the month. With plenty of dry days and a sea temperature of 23 °C, it’s a great time to explore the coastal trails and untamed southern landscapes.
Southeastern Coast (Blue Bay, Mahebourg, Plaine Magnien)
The southeast coast enjoys moderate conditions. Expect highs around 23 °C and lows near 17 °C. Rainfall ranges between 55-60 mm across 6-7 days. The trade winds are stronger here, but the sea stays at a comfortable 23 °C. Mauritius’s weather in August in this region is breezy, fresh, and perfect for morning snorkels in Blue Bay’s marine reserve.
Eastern Coast (Belle Mare, Trou d’Eau Douce)
Belle Mare is slightly cooler and windier in August, with average highs of 23 °C and lows of 21 °C. Rainfall is light-around 26 mm, though scattered over 14-15 days. Sunshine averages about 6.2 hours per day, and the sea temperature remains around 23 °C. This is a peaceful month for nature lovers and couples looking for a quiet retreat.
Central Plateau (Curepipe and Highlands)
Curepipe is the coolest part of the island in August. Daytime highs hover around 20 °C (68 °F), while nights dip to 14 °C (57 °F). Rainfall is moderate-up to 80 mm over 8 days-but skies often clear by midday. Mauritius’s weather in August here is fresh and crisp, with ideal conditions for garden walks and tea plantation visits.
Sunrise, Sunset & Tides (August)
- Sunrise: Between 06:35 and 06:45
- Sunset: Between 17:45 and 18:00
- Tides: High tide early morning and evening; low tide late morning and afternoon
- Sea Temperature: Around 23-24 °C across all coastal regions
Average Weather Conditions by Region in August
Here is a summary of average weather conditions in different regions of Mauritius during August:
| Location | Avg. High Temp (°C/°F) | Avg. Low Temp (°C/°F) | Avg. Rainfall (mm) | Avg. Sea Temp (°C/°F) |
|---|---|---|---|---|
| Flic en Flac | 23 / 73 | 18 / 64 | 58 | 23 / 73 |
| Tamarin | 23 / 73 | 18 / 64 | 58 | 23 / 73 |
| Grand Baie | 23 / 73 | 18 / 64 | 58 | 23 / 73 |
| Le Morne | 23 / 73 | 18 / 64 | 58 | 23 / 73 |
| Belle Mare | 23 / 73 | 18 / 64 | 58 | 23 / 73 |
| Blue Bay | 23 / 73 | 18 / 64 | 58 | 23 / 73 |
| Trou aux Biches | 23 / 73 | 18 / 64 | 58 | 23 / 73 |
For comparison, here are some weather averages in other popular destinations during August:
| Location | Avg. High Temp (°C/°F) | Avg. Low Temp (°C/°F) | Avg. Rainfall (mm) | Avg. Sea Temp (°C/°F) |
|---|---|---|---|---|
| London | 22 / 72 | 13 / 56 | 65 | - |
| New York | 28 / 82 | 19 / 66 | 102 | 24 / 75 |
| Paris | 24 / 75 | 14 / 57 | 64 | - |
| Sydney | 17 / 63 | 8 / 46 | 80 | 18 / 64 |
The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.
We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.
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