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UV Index in Roseau

UV index


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Today's UV index in Roseau, Dominica Dominica will be up to 11.1, 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.


Today's tips

UV index at 11.1 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.

Roseau's UV Index

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.

Weather Seasons

UV index

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.

Roseau's Climate

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.

Annual Sun Radiation

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.


* This page's content about the UV index in Roseau (Dominica) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.