Port Louis, the capital of Mauritius, experiences a warm and windy climate year-round. The weather is characterized by an oppressive and partly cloudy wet season, and a humid and mostly clear dry season. This comprehensive guide provides a detailed overview of the typical weather conditions in Port Louis, helping you plan your visit and understand the nuances of its climate.
Panoramic view of Port Louis, Mauritius.
Temperature
The average hourly temperature in Port Louis is relatively consistent throughout the year, though there are distinct hot and cool seasons.
- Hot Season: Lasts for approximately 4.1 months, from December 3 to April 7, with an average daily high temperature above 83°F (28°C). February is the hottest month, with an average high of 85°F (29.4°C) and a low of 76°F (24.4°C).
- Cool Season: Extends for about 3.2 months, from June 14 to September 20, with an average daily high temperature below 77°F (25°C). August is the coldest month, with an average low of 67°F (19.4°C) and a high of 76°F (24.4°C).
The figure below shows a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Mauritius climate chart with average temperatures.
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Cloud Cover
Port Louis experiences extreme seasonal variation in cloud cover throughout the year.
- Clearer Period: Begins around April 22 and lasts for 7.2 months, ending around November 28. September is the clearest month, with the sky being clear, mostly clear, or partly cloudy about 89% of the time.
- Cloudier Period: Starts around November 28 and lasts for 4.8 months, ending around April 22. February is the cloudiest month, with the sky being overcast or mostly cloudy about 58% of the time.
Precipitation
The chance of wet days in Port Louis varies throughout the year. A wet day is defined as one with at least 0.04 inches of liquid or liquid-equivalent precipitation.
- Wetter Season: Lasts for 4.0 months, from December 25 to April 24, with a greater than 18% chance of a given day being a wet day. February has the most wet days, averaging 8.9 days with at least 0.04 inches of precipitation.
- Drier Season: Extends for 8.0 months, from April 24 to December 25. July has the fewest wet days, averaging 1.4 days with at least 0.04 inches of precipitation.
The most common form of precipitation throughout the year is rain alone, with a peak probability of 33% on February 10. Port Louis experiences extreme seasonal variation in monthly rainfall. The rainy period of the year lasts for 6.4 months, from November 12 to May 25, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in Port Louis is February, with an average rainfall of 4.3 inches. The rainless period of the year lasts for 5.6 months, from May 25 to November 12. The month with the least rain in Port Louis is July, with an average rainfall of 0.3 inches.
Daylight
The length of the day in Port Louis varies over the course of the year. In 2025, the shortest day is June 21, with 10 hours, 55 minutes of daylight; the longest day is December 21, with 13 hours, 21 minutes of daylight. The earliest sunrise is at 5:21 AM on November 26, and the latest sunrise is 1 hour, 25 minutes later at 6:46 AM on July 6. The earliest sunset is at 5:37 PM on June 5, and the latest sunset is 1 hour, 19 minutes later at 6:55 PM on January 16. Daylight saving time (DST) is not observed in Port Louis during 2025.
Graphical representation of sunrise and sunset times.
Read also: Your Guide to Sharm El Sheikh Weather
Humidity
Port Louis experiences extreme seasonal variation in perceived humidity. The muggier period of the year lasts for 8.5 months, from October 1 to June 18, during which time the comfort level is muggy, oppressive, or miserable at least 41% of the time. The month with the most muggy days in Port Louis is January, with 30.9 days that are muggy or worse. The month with the fewest muggy days in Port Louis is August, with 6.9 days that are muggy or worse.
Wind
The average hourly wind speed in Port Louis experiences significant seasonal variation over the course of the year. The windier part of the year lasts for 4.0 months, from May 28 to September 27, with average wind speeds of more than 15.4 miles per hour. The windiest month of the year in Port Louis is July, with an average hourly wind speed of 17.4 miles per hour. The calmer time of year lasts for 8.0 months, from September 27 to May 28. The calmest month of the year in Port Louis is November, with an average hourly wind speed of 13.3 miles per hour. The predominant average hourly wind direction in Port Louis is from the east throughout the year.
Water Temperature
The average water temperature experiences some seasonal variation over the course of the year. The time of year with warmer water lasts for 4.0 months, from December 26 to April 28, with an average temperature above 80°F. The month of the year in Port Louis with the warmest water is February, with an average temperature of 82°F. The time of year with cooler water lasts for 3.6 months, from July 3 to October 24, with an average temperature below 75°F. The month of the year in Port Louis with the coolest water is August, with an average temperature of 74°F.
Best Time to Visit
To characterize how pleasant the weather is in Port Louis throughout the year, two travel scores are computed.
- Tourism Score: Favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Port Louis for general outdoor tourist activities is from mid May to early November, with a peak score in the first week of September.
- Beach/Pool Score: Favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best times of year to visit Port Louis for hot-weather activities are from early April to late June and from mid September to mid December, with a peak score in the second week of May.
Based on the beach/pool score, the best times of year to visit Port Louis for hot-weather activities are from early April to late June and from mid September to mid December.
Read also: Weather Guide: Zambia in July
A beautiful beach in Mauritius, perfect for hot-weather activities.
Mauritius Weather | Best time to visit Mauritius
Detailed Weather Forecast
Here's a detailed 10-day weather forecast for Port Louis, Mauritius:
| Day | High Temperature (°F) | Low Temperature (°F) | Conditions | Chance of Precipitation |
|---|---|---|---|---|
| Today, Nov 6 | 76 | 71 | Cloudy with probable rain | 65% |
| Fri, Nov 7 | 80 | 73 | Partly cloudy with rain and thunderstorms | 95% |
| Sat, Nov 8 | 80 | 73 | Partly cloudy with rain and thunderstorms | 80% |
| Sun, Nov 9 | 79 | 74 | Mostly cloudy with a chance of rain | 55% |
| Mon, Nov 10 | 81 | 73 | Mostly cloudy with a chance of rain | 50% |
| Tue, Nov 11 | 81 | 72 | Mostly cloudy with a chance of rain | 50% |
| Wed, Nov 12 | 82 | 73 | Partly cloudy with a chance of rain | 40% |
| Thu, Nov 13 | 80 | 73 | Sunny with a chance of rain | 45% |
| Fri, Nov 14 | 80 | 73 | Sunny with a chance of rain | 55% |
| Sat, Nov 15 | 80 | 74 | Sunny with a chance of rain | 55% |
This information provides a general overview of the weather conditions to expect in Port Louis. Always check the latest forecast before traveling.
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