UV Index
UV Index
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Today's UV index in Port Louis, Mauritius 
will be up to 13, indicating a extreme level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
UV index at 13 in Port Louis means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
The UV index in Port Louis, Mauritius, typically ranges from low to very high. During winter months, the UV index is lower, while in summer it can reach very high levels.
Port Louis has a tropical maritime climate, with two main seasons: a warm, dry winter from May to October and a hot, humid summer from November to April. The city experiences occasional cyclones during the summer months.
Compared to its region and neighboring countries, Port Louis is generally warmer and more humid year-round. The city's temperature and weather patterns are influenced by its coastal location and the surrounding Indian Ocean, making it distinct from inland areas and higher-elevation locations in nearby countries.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Port Louis. It's designed to provide you with a better understanding of the yearly weather and sun exposure.