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UV Index in Gustavia

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Today's UV index in Gustavia, Saint Barthélemy Saint Barthélemy will be up to 11.9, 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 11.9 in Gustavia 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.

Gustavia's UV Index

The UV index in Gustavia, Saint Barthélemy, averages around 7-9 during the year, which is considered high. It's important to be aware of this when planning outdoor activities.

Weather Seasons

UV index

Gustavia experiences two main seasons: the dry season from December to May and the wet season from June to November. The dry season has cooler temperatures and lower humidity, while the wet season is warmer and more humid with occasional tropical storms.

Gustavia's Climate

Compared to its region and neighboring countries, Gustavia's weather is relatively stable and mild, without the extreme temperatures or natural disasters that can affect other Caribbean islands. This makes it a popular destination for tourists seeking a reliable and enjoyable climate.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Gustavia. It's designed to provide you with a better understanding of the yearly weather and sun exposure.

Disclaimer

* This page's content about the UV index in Gustavia (Saint Barthélemy) 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.