UV Index
UV Index
Today's UV index in Marigot, Saint Martin 
will be up to 12, indicating a extreme level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-10
UV index at 12 in Marigot means extreme risk: limit outdoor time especially from 10 a.m. to 4 p.m., actively seek shade, wear protective clothing, broad-brimmed hat, apply SPF 30+ sunscreen every 2 hours, and wear UV-blocking sunglasses. Watch for bright surfaces like water and snow increasing UV exposure.
Marigot, Saint Martin, has a UV index that is generally high throughout the year, often reaching very strong or extreme levels, especially during midday in the sunnier months from late spring to early fall. The island experiences a tropical climate with a wet season from June to November, characterized by hot, humid weather and frequent rain showers. The dry season runs from December to May, featuring warm temperatures and more sunshine with less rainfall. Compared to nearby Caribbean islands and the French side of Saint Martin, Marigot's weather is quite similar, with warm temperatures year-round and a distinct wet and dry season typical of the region. Neighboring countries like Anguilla and Saint Barthelemy also share these seasonal weather patterns, making the climate quite consistent around the northern Caribbean islands.
See the UV index hour by hour for Marigot, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.