Over the past decade (2015–2024), Mauritius has experienced a transition from the warm, wet season to cooler and drier conditions during May.
General Weather Conditions:
- May signifies the onset of the cooler and drier season in Mauritius.
- Rainfall decreases compared to previous months, with regions receiving between 85 mm (3.3 inches) to 120 mm (4.7 inches).
- Temperatures continue to cool, especially in higher-altitude areas like Curepipe.
- Humidity levels decrease slightly but remain relatively high, contributing to the overall warmth.
- Sea temperatures remain warm, averaging around 26°C (79°F), making it comfortable for swimming and other water activities.
- Sunshine hours are substantial, providing ample daylight for outdoor activities.
Here’s an overview of the typical weather patterns across various regions:
Port Louis (Northwest Coast):
- Temperature: Average highs around 26°C (79°F) and lows near 20°C (68°F).
- Rainfall: Approximately 90 mm (3.5 inches) over about 8 days.
- Humidity: Relative humidity averages 73%.
- Sea Temperature: Around 26°C (79°F), suitable for aquatic activities.
- Sunshine: Typically 6.5 hours of sunshine daily.
- UV Index: Moderate, with an average maximum UV index of 8.
Curepipe (Central Plateau):
- Temperature: Average highs around 22°C (72°F) and lows near 16°C (61°F).
- Rainfall: Higher precipitation with about 120 mm (4.7 inches) over 10 days.
- Humidity: Relative humidity stands at 78%.
- Sunshine: Approximately 5.5 hours of sunshine daily.
Mahebourg (Southeast Coast):
- Temperature: Average highs around 25°C (77°F) and lows near 19°C (66°F).
- Rainfall: Experiences rainfall totaling 100 mm (3.9 inches) over 9 days in May.
- Humidity: Relative humidity averages 75%.
- Sunshine: Typically 6 hours of sunshine daily.
- Sea Temperature: Around 26°C (79°F), ideal for water activities.
Souillac (South Coast):
- Temperature: Average highs around 24°C (75°F) and lows near 18°C (64°F).
- Rainfall: May sees about 110 mm (4.3 inches) of rainfall over 9 days.
- Humidity: Relative humidity averages 74%.
- Sunshine: Typically 6 hours of sunshine daily.
- Sea Temperature: Around 26°C (79°F).
Tamarin (West Coast):
- Temperature: Average highs around 26°C (79°F) and lows near 20°C (68°F).
- Rainfall: May receives approximately 85 mm (3.3 inches) over 7 days.
- Humidity: Relative humidity averages 72%.
- Sunshine: Typically 7 hours of sunshine daily.
- Sea Temperature: Around 26°C (79°F).
Plaine Magnien (Southeast):
- Temperature: Average highs around 25°C (77°F) and lows near 19°C (66°F).
- Rainfall: May sees about 95 mm (3.7 inches) of rainfall over 8 days.
- Humidity: Relative humidity averages 75%.
- Sunshine: Typically 6 hours of sunshine daily.
- Sea Temperature: Around 26°C (79°F).
Flic en Flac (West Coast):
- Temperature: Average highs around 26°C (79°F); lows near 21°C (70°F).
- Rainfall: Approximately 75 mm (3 inches) over 8 days.
- Humidity: Around 73%.
- Sea Temperature: Approximately 26°C (79°F).
- Sunshine: Averages 7.5 hours per day.
- UV Index: Moderate, with an average maximum UV index of 6.
Trou aux Biches (North):
- Temperature: Average highs around 26°C (79°F); lows near 21°C (70°F).
- Rainfall: Approximately 70 mm (2.8 inches) over 8 days.
- Humidity: Around 73%.
- Sea Temperature: Approximately 26°C (79°F).
- Sunshine: Averages 7.5 hours per day.
- UV Index: Moderate, with an average maximum UV index of 6.
Grand Bay (North):
- Temperature: Average highs around 26°C (79°F); lows near 21°C (70°F).
- Rainfall: Approximately 72 mm (2.8 inches) over 8 days.
- Humidity: Around 73%.
- Sea Temperature: Approximately 26°C (79°F).
- Sunshine: Averages 7.5 hours per day.
- UV Index: Moderate, with an average maximum UV index of 6.
Le Morne (South)
- Temperature: Average highs around 24°C (75°F) and lows near 18°C (64°F).
- Rainfall: May sees about 110 mm (4.3 inches) of rainfall over 9 days.
- Humidity: Relative humidity averages 74%.
- Sunshine: Typically 6 hours of sunshine daily.
- Sea Temperature: Around 26°C (79°F).
Belle Mare (Eastcoast):
- Temperature: Average high: 25.4°C (77.7°F). Average low: 23.1°C (73.6°F)
- Rainfall: Total precipitation: Approximately 97mm (3.82 inches). Number of rainfall days: Around 18.7 days
- Humidity: Approximately 77%
- Sea Temperature: Approximately 26°C (79°F)
- Sunshine: Average of 11 hours of daylight per day
- UV Index: Average daily maximum UV index: 6 (High)
While specific year-to-year variations exist, these patterns provide a general overview of May weather across Mauritius’s regions over the past decade.
May
| Location | Avg. High Temp (°C/°F) | Avg. Low Temp (°C/°F) | Avg. Rainfall (mm) | Avg. Sea Temp (°C/°F) |
|---|---|---|---|---|
| Flic en Flac | 26 / 79 | 20 / 68 | 78 | 25 / 77 |
| Tamarin | 26 / 79 | 20 / 68 | 78 | 25 / 77 |
| Grand Baie | 26 / 79 | 20 / 68 | 78 | 25 / 77 |
| Le Morne | 26 / 79 | 20 / 68 | 78 | 25 / 77 |
| Belle Mare | 26 / 79 | 20 / 68 | 78 | 25 / 77 |
| Blue Bay | 26 / 79 | 20 / 68 | 78 | 25 / 77 |
| Trou aux Biches | 26 / 79 | 20 / 68 | 78 | 25 / 77 |
| For Comparison | ||||
| London | 17 / 63 | 8 / 47 | 57 | – |
| New York | 21 / 70 | 11 / 52 | 94 | 13 / 55 |
| Paris | 18 / 64 | 9 / 48 | 64 | – |
| Sydney | 19 / 66 | 11 / 52 | 121 | 21 / 70 |
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