Monthly weather forecast and climate
Mauritius

Flag of Mauritius
Flag of Mauritius

The climate of Mauritius

Mauritius has a mainly tropical climate. Various microclimates exist on the island based on exposure, altitude, and distance from the sea. Mauritius is an island country in the Indian Ocean, 1200 miles southeast of Africa, and 700 miles east of Madagascar. Persistent trade winds and the island's topography create a broad climatic division into windward and leeward zones. The windward eastern and southern slopes have a tropical rainforest climate (Köppen climate classification Af) and show a marked increase in cloudiness and rainfall. The sheltered leeward side experiences a tropical savanna climate (Köppen Aw), with a significant decrease in cloud cover and rainfall. The central plateau has a humid subtropical climate (Köppen Cf variations), with no marked dry season. The proximity to large bodies of water, tropical latitudes, and the southeast trade winds chiefly influence the climate.

Mauritius is a tropical island of volcanic origin, 20°S of the equator. Several outlying islands, including Agalega, Rodrigues, and Saint Brandon, lie within the main island's distance. The pear-shaped island is 38 miles long and 28 miles wide and consists of a ring of peaks that enclose a central plateau. The landscape consists of a small coastal plain and a central plateau, which rises from 300 meters in the north to 600 meters in the southwest. The central plateau is cooler than the coast and receives almost twice the rainfall. The eastern part of the island is colder than the rest of the country due to prevailing southeast trade winds. Coral reefs surround the island to pose navigation hazards. Piton de la Petite Riviere Noire is the highest point in Mauritius at 828 meters above sea level.

Mauritius experiences warm and humid summers but relatively dry and cold winters. The seasons occur in the reverse cycle due to the archipelago's location in the Southern Hemisphere. The average temperature during the summer from November to April is 24.7°C (76.5°F). The average temperature during the winter from May to October is 20.4°C (68.7°F). Temperature differences between the seasons are low. January and February are the warmest months with average high temperatures of 29.2°C (84.6°F). July and August are the coldest months with average low temperatures of 16.4°C (61.5°F). There is no marked wet season, and much of the precipitation occurs in the summer. Port Louis, the capital on the leeward side, has a tropical climate and is dry in the winter. At an altitude of 700 meters in the south, Plaine Champagne has a sub-tropical climate, with rain throughout the year.

The average annual precipitation in Mauritius is an ample 2032mm (80"). The precipitation ranges from 889mm (35") on the coast to 1498.6mm (59") in the central plateau and over 2540mm (100") in the mountains. On the northwest coast, the leeward side gets 1193.8mm (47"), while the southeast coast on the windward side registers 1701.8mm (67") of rain. The wet peak period between January and March contributes to two-thirds of the annual precipitation. October is the driest month, and the period from June to October is relatively less rainy. Mauritius receives ample sunshine between 2500 hours to 2900 hours. The sunshine is right, even in the wettest months. The humidity is at the highest of the year during the wet period from January to March. February is the muggiest month of the year. Trade winds blow strongly from the southeast. The average wind speeds range from 20.9km/h (13mph) to 29km/h (18mph). The average seawater temperatures between 22.2°C (72°F) and 27.2°C (81°F) are comfortable for swimming throughout the year.

The highest temperature on record for Port Louis, Mauritius, is 38.9°C (102°F), while the record for the lowest temperature is 7.2°C (45°F).

The best time to visit Mauritius

The best times to visit Mauritius are from April to May and September to November. The second half of May and October are particularly pleasant. The temperatures are in the comfort zone, and humidity levels are acceptable. The sunshine is bearable compared to the summer months. The rainfall is relatively less, and cloud cover does not last for long periods. Port Louis is less windy and sunny, while the eastern beaches are windier to the delight of surfers. The outer islands are less rainy and more refreshing than the main island. June to August is cool and relatively dry, and is a good time for hiking in the mountains.

The worst time to visit Mauritius

The worst time to visit Mauritius is from January to March at the peak of the wet season. The high humidity makes the conditions oppressive. Most places receive between 203.2mm (8") to 254mm (10") of heavy rainfall. At least 15 days are wet and prone to thunderstorms and heavy downpours. Torrential rainfall of more than 101.6mm (4") in 12 hours is possible in the hilly regions. The island is prone to tropical storms during the cyclone season. The skies are cloudy during the rainy period. However, the sunshine is ample, even in the wet season.

Weather hazards

Mauritius is susceptible to weather hazards, such as thunderstorms, torrential rain, cyclones, storm swells, and tsunamis. The central plateau and mountains are prone to heavy rainfall. Torrential rain results in flash floods due to the overflowing of rivulets, streams, and even rivers. Landslides and mudslides pose a threat in the hilly regions during the wet season. Tropical cyclones affect Mauritius between November and April. Anticyclones are active from May to September. Cyclones are responsible for storm swells and cause an abnormal rise in ocean tide levels. Hollanda in 1994, and Dina in 2002, were the worst last two cyclones to affect the country.

Weather in January

January is usually the warmest month of the year in Mauritius. The average temperatures in Port Louis are between 23.9°C (75°F) and 29.4°C (84.9°F), and the conditions are warm and humid. The average precipitation ranges from 132.1mm (5.2") in the west to 203.2mm (8") in the east and 241.3mm (9.5") in the east. In the west, Medine receives 8 hours of daily sunshine, while Fuel in the east gets 7 hours of sunlight every day. Weather in January »

Weather in February

February is the wettest month of the year in Mauritius. Plaisance is hot and humid between 22.8°C (73°F) and 30°C (86°F) and receives 264.2mm (10.4") of heavy rainfall. Vacoas, on the central plateau, registers temperatures in the comfortable zone of 21.1°C (70°F) to 27.8°C (82°F) and 195.6mm (7.7") of rain. Rodrigues Island is warm with average temperatures in the range of 22.8°C (73°F) to 28.9°C (84°F) and receives only 134.6mm (5.3") of rain. Weather in February »

Weather in March

March is cloudy, humid, and wet in Mauritius. The average high temperatures are in the hot range of 27.8°C (82°F) to 29.4°C (84.9°F). The average low temperatures are in the warm zone of 21.7°C (71.1°F) to 23.9°C (75°F). The earliest sunrise occurs at 6.07 a.m., and the latest sunset is at 6.36 p.m. Weather in March »

Weather in April

April ends the relatively wet period in Mauritius. The skies begin to clear gradually and remain cloudy only 28% of the time by the month-end. The humidity is still high and ranges from 80% in the west to 85% in the east. The average temperatures in Grand Baie are in the warm 23.3°C (73.9°F) to 28.9°C (84°F), while Midlands registers between 20°C (68°F) and 26.1°C (79°F). The daylight reduces to 11.5 hours by April end, and the sunlight lasts between 6 hours and 7 hours. Weather in April »

Weather in May

May is a transitional month in Mauritius, with a significant drop in rainfall. The average rainfall is in the range of 63.5mm (2.5") to 152.4mm (6"), with the driest regions on the west coasts. Port Louis registers average temperatures in the warm zone of 21.1°C (70°F) to 27.8°C (82°F) zone. Weather in May »

Weather in June

June brings mild to warm weather in Mauritius, as the winter brings a reduction in the sunshine. The central, southern, and eastern regions are colder than the rest of the country. The average temperatures in the central plateau register between 16.1°C (61°F) to 22.2°C (72°F). Weather in June »

Weather in July

July is usually the coldest month of the year in Mauritius. The average temperatures in Medine in the west register between 16.7°C (62.1°F) to 26.1°C (79°F), while Fuel in the east records temperatures in the 17.2°C (63°F) to 23.3°C (73.9°F) range. Weather in July »

Weather in August

August is cool and dry in Mauritius in the winter season. The average temperatures in Port Louis register in the comfortable range of 19.4°C (66.9°F) to 24.4°C (75.9°F). The outer islands are cool between 18.9°C (66°F) to 25°C (77°F) and receive less than 66mm (2.6") of precipitation. The average precipitation ranges between 12.7mm (0.5") to 101.6mm (4") on the main island. Weather in August »

Weather in September

September is a cool and dry month in Mauritius. The temperatures begin to rise at the end of the winter. The average temperatures in Plaisance in the south register between 17.8°C (64°F) and 25°C (77°F). The days are warm, and the nights are cozy. Weather in September »

Weather in October

October is the driest month of the year in Mauritius. The driest month brings up to 12.7mm (0.5") of precipitation in the west and 63.5mm (2.5") in the central, south, and eastern regions. The sunny days find the skies clear for 89% of the time. Weather in October »

Weather in November

November is a relatively dry and warm month in Mauritius. The average temperatures register in the zone of between 17.8°C (64°F) to 30°C (86°F). The warmest days are in the north, and the coldest nights occur in the central plateau. Weather in November »

Weather in December

December sees a significant rise in precipitation in Mauritius, with the arrival of the summer season. Port Louis has average temperatures in the 22.8°C (73°F) to 29.4°C (84.9°F) range, with clear skies up to 62% of the time. Weather in December »
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