UV Index
UV Index
Today's UV index in Roseau, Dominica 
will be up to 12.5, 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: 2025-05-21
UV index at 12.5 in Roseau 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.
The UV index in Roseau is generally moderate to high throughout the year, often peaking above 10 during the sunniest months, indicating strong ultraviolet radiation from the sun.
Roseau experiences a tropical climate with a wet season from June to November and a drier season from December to May. Temperatures remain warm year-round, usually between 24°C and 31°C (75°F to 88°F).
Compared to other Caribbean islands, Roseau has higher rainfall, especially during the wet season, making it wetter than nearby islands like Martinique and Guadeloupe. Its coastal setting keeps temperatures stable and humid, similar to neighboring countries.
See the UV index hour by hour for Roseau, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.