UV Index
UV Index
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Today's UV index in Roseau, Dominica 
will be up to 12.1, 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 12.1 in Roseau 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 Roseau, Dominica typically ranges from low to very high throughout the year. It reaches its peak during the dry season, which lasts from January to May.
Roseau has a tropical rainforest climate, characterized by two main seasons: a dry season and a wet season. The dry season, from January to May, sees less rainfall and slightly cooler temperatures. The wet season, from June to December, is warm and humid with frequent showers and tropical storms.
Compared to its region and neighboring countries, Roseau's weather is relatively consistent. While the Caribbean is known for its warm, tropical climate, Roseau's temperature range is slightly wider, with temperatures that can drop to the mid-70s during the dry season. Surrounding islands like Martinique and Guadeloupe have similar weather patterns but may experience higher temperatures due to their location closer to the equator.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Roseau. It's designed to provide you with a better understanding of the yearly weather and sun exposure.