Over the past decade (2015–2024), Mauritius has experienced relatively consistent weather patterns during January, characterized by warm temperatures, high humidity, and significant rainfall across its various regions.

General Weather Conditions:
- January is one of the warmest months in Mauritius, with high temperatures across all regions.
- Rainfall is substantial, with regions receiving between 240 mm (9.4 inches) to 300 mm (11.8 inches), often in the form of short, heavy showers or thunderstorms.
- Humidity levels are high, contributing to a humid and warm atmosphere.
- Sea temperatures are warm, averaging around 28°C (82°F), making it ideal for swimming, snorkeling, and other water activities.
- Sunshine hours are ample, providing plenty of daylight for outdoor pursuits.
Here’s a regional overview:
Port Louis (Northwest Coast):
- Temperature: Average highs around 30°C (86°F) and lows near 24°C (75°F).
- Rainfall: Approximately 250 mm (9.8 inches) over about 15 days.
- Humidity: Relative humidity averages 80%.
- Sea Temperature: Around 28°C (82°F), ideal for swimming and water sports.
- Sunshine: Typically 7 hours of sunshine daily.
- UV Index: High, with an average maximum UV index of 12.
Curepipe (Central Plateau):
- Temperature: Average highs around 26°C (79°F) and lows near 20°C (68°F).
- Rainfall: Higher precipitation with about 300 mm (11.8 inches) over 18 days.
- Humidity: Relative humidity stands at 85%.
- Sunshine: Approximately 5 hours of sunshine daily.
Mahebourg (Southeast Coast):
- Temperature: Average highs around 29°C (84°F) and lows near 23°C (73°F).
- Rainfall: Experiences rainfall totaling 270 mm (10.6 inches) over 16 days in January.
- Humidity: Relative humidity averages 82%.
- Sunshine: Typically 6 hours of sunshine daily.
- Sea Temperature: Around 28°C (82°F), favorable for marine activities.
Souillac (South Coast):
- Temperature: Average highs around 28°C (82°F) and lows near 22°C (72°F).
- Rainfall: January sees about 280 mm (11 inches) of rainfall over 17 days.
- Humidity: Relative humidity averages 83%.
- Sunshine: Typically 6 hours of sunshine daily.
- Sea Temperature: Around 28°C (82°F).
Tamarin (West Coast):
- Temperature: Average highs around 30°C (86°F) and lows near 24°C (75°F).
- Rainfall: January receives approximately 240 mm (9.4 inches) over 14 days.
- Humidity: Relative humidity averages 79%.
- Sunshine: Typically 7.5 hours of sunshine daily.
- Sea Temperature: Around 28°C (82°F).
Plaine Magnien (Southeast):
- Temperature: Average highs around 29°C (84°F) and lows near 23°C (73°F).
- Rainfall: January sees about 260 mm (10.2 inches) of rainfall over 15 days.
- Humidity: Relative humidity averages 81%.
- Sunshine: Typically 6.5 hours of sunshine daily.
- Sea Temperature: Around 28°C (82°F).
Flic en Flac (West Coast):
- Temperature: Average highs around 29.1°C (84.4°F); lows near 24.5°C (76.1°F).
- Rainfall: Approximately 153 mm (6 inches) over 13 days.
- Humidity: Around 76%.
- Sea Temperature: Approximately 28°C (82°F).
- Sunshine: Averages 9 hours per day.
- UV Index: High, with an average maximum UV index of 7.
Trou aux Biches (North):
- Temperature: Average highs around 28.6°C (83.5°F); lows near 26°C (78.8°F).
- Rainfall: Significant precipitation, with January being one of the rainiest months.
- Humidity: Generally high during this month.
- Sea Temperature: Approximately 28°C (82.4°F).
- Sunshine: Ample sunshine hours, though exact figures vary.
- UV Index: High, with an average maximum UV index of 7.
Grand Bay (North):
- Temperature: Average highs around 29°C (84.2°F); lows near 24°C (75.2°F).
- Rainfall: Similar to Trou aux Biches, with substantial rainfall.
- Humidity: Elevated during this period.
- Sea Temperature: Approximately 28°C (82°F).
- Sunshine: Generous sunshine hours, though specific data is limited.
- UV Index: High, averaging around 7.
Le Morne (South)
- Temperature: Average high of 28°C (82.4°F) and low of 21°C (69.8°F).
- Rainfall: Approximately 135 mm (5.3 inches).
- Humidity: High, with levels typically ranging between 75% and 85% throughout the year.
- Sea Temperature: Around 27°C (80.6°F).
- Sunshine: Approximately 6.4 hours per day.
- UV Index: Very high; appropriate sun protection is advised.
Belle Mare (Eastcoast):
- Temperature: Average high: 27.9°C (82.2°F), Average low: 25.8°C (78.4°F)
- Rainfall: Total precipitation: Approximately 220mm (8.7 inches) Number of rainfall days: Around 10 days
- Humidity: Approximately 80%
- Sea Temperature: Approximately 27°C (81°F)
- Sunshine: Average of 13 hours of daylight per day
- UV Index: Average daily maximum UV index: 7 (High)
January
Location | Avg. High Temp (°C/°F) | Avg. Low Temp (°C/°F) | Avg. Rainfall (mm) | Avg. Sea Temp (°C/°F) |
---|---|---|---|---|
Flic en Flac | 30 / 86 | 24 / 75 | 228 | 27 / 81 |
Tamarin | 30 / 86 | 24 / 75 | 228 | 27 / 81 |
Grand Baie | 30 / 86 | 24 / 75 | 228 | 27 / 81 |
Le Morne | 30 / 86 | 24 / 75 | 228 | 27 / 81 |
Belle Mare | 30 / 86 | 24 / 75 | 228 | 27 / 81 |
Blue Bay | 30 / 86 | 24 / 75 | 228 | 27 / 81 |
Trou aux Biches | 30 / 86 | 24 / 75 | 228 | 27 / 81 |
For Comparison | ||||
London | 7 / 45 | 2 / 36 | 59 | – |
New York | 3 / 37 | -3 / 27 | 86 | 4 / 39 |
Paris | 5 / 41 | 2 / 36 | 51 | – |
Sydney | 26 / 79 | 19 / 66 | 102 | 24 / 75 |
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