What is the average temperature in Port Louis?

Temperatures average around 22 to 27 degrees Celsius in winter (May to October) and 28 to 35 degrees Celsius in summer (November to April). The annual average sits at roughly 26 degrees Celsius.

Does Port Louis get cyclones?

Port Louis falls within the South Indian Ocean cyclone belt, with the season running from November to April. Direct hits are rare, but tropical systems can bring heavy rain and strong winds. The Mauritius Meteorological Services issues warnings well in advance, and the island has a clear four-level alert system.

Is Port Louis hotter than the rest of Mauritius?

Generally yes. The city is sheltered from trade winds by the central mountains, which means it is warmer and drier than the plateau towns and the south of the island. In summer it can feel noticeably more intense than coastal resort areas.

What is the best time of year to visit Port Louis?

May to October is the most comfortable period for visitors. Temperatures are moderate, rainfall is low, and the trade winds keep conditions pleasant. September and October are particularly good, with warm days and very little rain.

How much does it rain in Port Louis?

Port Louis receives around 900 mm of rain per year on average, making it one of the drier parts of Mauritius. Most rain falls between December and March, with the winter months being very dry.

Is the weather in Port Louis suitable for outdoor living?

Yes, for much of the year. The winter months are excellent for outdoor dining, markets and waterfront activities. Summer mornings are also enjoyable before the heat builds, though afternoons can be very hot and humid.

Weather in Port Louis, Mauritius: Full Gui…

What is the weather in Port Louis like throughout the year?

Port Louis sits on the north-western coast of Mauritius, sheltered by the Moka mountain range behind it. That geography gives the capital a climate that is warmer and drier than much of the island, with two broadly distinct seasons: a hot, humid summer from November to April and a cooler, drier winter from May to October. Temperatures rarely drop below 17°C even in the coolest months, and the city enjoys more than 2,800 hours of sunshine annually, making it one of the sunnier spots on the island.

What are the seasons in Port Louis?

Hot and humid summer (November to April)

This is the wet season. Daytime temperatures regularly reach 32°C to 35°C, and humidity can make it feel noticeably hotter. Afternoon downpours are common, often short and intense. This period also coincides with the South Indian Ocean cyclone season. Cyclones rarely make direct landfall in Port Louis, but tropical depressions can bring heavy rain, strong winds and disruption for a day or two at a time. The city has a well-practised cyclone warning system, and residents know the drill.

Despite the heat and occasional storms, this season has its appeal. The harbour comes alive, street markets are busy, and the surrounding hills turn an intense green.

Cool and dry winter (May to October)

This is when Port Louis is at its most comfortable for people who prefer moderate temperatures. Days typically range from 22°C to 27°C, evenings drop to around 17°C to 19°C, and the trade winds keep the air feeling fresh. Rainfall is much lower, and the sky is often a deep, clear blue.

For those considering relocating to Mauritius, the winter months give the best first impression of daily life in the capital. Outdoor dining, morning walks along the waterfront, and weekend markets at the Caudan Waterfront are all genuinely pleasant during this period.

How does Port Louis compare to the rest of Mauritius for weather?

Port Louis is sheltered from the south-east trade winds by the central plateau, which means it receives less rainfall than areas like Curepipe or Mahebourg on the windward side of the island. The flip side is that the city can feel more intense in summer, with heat trapped between the mountains and the sea.

If you find the capital's summer heat a little much, many residents choose to live on the plateau towns such as Quatre Bornes or Curepipe, where temperatures are several degrees cooler year-round, and commute into Port Louis for work. Others prefer the coastal areas of Grand Baie or Tamarin, where sea breezes provide natural relief. If you are weighing up where to base yourself, browsing property options on PropertyFinder.mu is a practical starting point to compare locations and property types across the island.

What is the rainfall like in Port Louis?

Annual rainfall in Port Louis averages around 900 mm, which is low by Mauritian standards. The wettest months are January and February, when tropical systems occasionally push that monthly figure well above average. May through September sees very little rain, sometimes only a handful of rainy days across the entire period.

The city's drainage infrastructure handles most showers without issue, but heavy cyclone-related downpours can occasionally cause localised flooding in low-lying parts of the centre, something worth keeping in mind if you are choosing a property or office location.

What should I expect from Port Louis weather if I am relocating?

For most people relocating from Europe, North America or temperate parts of Asia, the adjustment to Port Louis weather takes a few weeks. The key points to plan around:

Air conditioning is standard in most offices, apartments and commercial spaces. Expect to run it heavily from December through March.
Humidity is the main challenge, not just temperature. A good dehumidifier at home makes a significant difference to comfort and to protecting wooden furniture, books and electronics.
Cyclone preparedness is a normal part of life, not a cause for alarm. The Mauritius Meteorological Services issues clear warnings (Class 1 through Class 4), and workplaces and schools follow established protocols.
Clothing needs shift seasonally. Light cotton and linen work year-round, but you will want a light jacket for winter evenings and air-conditioned offices in summer.
The sea temperature stays warm all year, ranging from around 23°C in August to 28°C in February, so swimming and water sports are genuinely year-round activities.

Which months are best for visiting or moving to Port Louis?

For a first visit or a house-hunting trip, May, June, September and October are the sweet spot. The weather is settled, temperatures are comfortable, and you get a realistic sense of everyday life without the intensity of peak summer heat.

For those moving permanently, arriving in the cooler months gives you time to set up your home and establish routines before the first hot season arrives. If you are exploring residential options in or near the capital, PropertyFinder.mu lists apartments, villas and townhouses across a wide range of budgets and locations.

Weather in Port Louis, Mauritius: Full Guide