UV Index
UV Index
Today's UV index in Port Louis, Mauritius 
will be up to 6.3, indicating a high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-06-01
With Port Louis's UV index reaching 6.3, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
Port Louis, Mauritius has a UV index that ranges from moderate to high, typically between 6 and 11 throughout the year. The highest UV levels occur during the summer months from November to April.
The weather in Port Louis features a hot, humid summer from November to April with frequent rain and occasional cyclones. The winter from May to October is cooler, drier, and more comfortable with less rainfall.
Compared to nearby islands like Réunion and Madagascar, Port Louis has a warmer and more humid climate. It is generally sunnier and less prone to extreme temperature drops than the mainland areas of southern Africa.
See the UV index hour by hour for Port Louis, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.