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UV Index in Saint-Denis

UV index


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Today's UV index in Saint-Denis, Réunion Réunion will be up to 9.5, indicating a very high 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

With a UV index of 9.5 in Saint-Denis, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.

Saint-Denis's UV Index

The UV index in Saint-Denis, Réunion is high, with a year-round average of 11. It can reach extreme levels during peak sunlight hours, making sun protection essential.

Weather Seasons

UV index

Saint-Denis has two main seasons: a warm, wet season from November to April and a cooler, drier season from May to October. Temperatures remain relatively consistent, ranging from 20°C to 28°C (68°F to 82°F).

Saint-Denis's Climate

Compared to its region and neighboring countries, Saint-Denis has a unique climate. Its tropical location results in warm temperatures and high humidity, contrasting with the milder, drier climates of nearby Mauritius and Madagascar. Réunion's landscape, including its volcanic peaks, also contributes to its diverse weather patterns.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Saint-Denis. 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 Saint-Denis (Réunion) 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.