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UV Index in Gustavia

Day Summary

Today's UV index in Gustavia, Saint Barthélemy Saint Barthélemy will be up to 9.9, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.

Last checked: 2025-06-01

Forecast

Today's tips

With a UV index of 9.9 in Gustavia, 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.

Gustavia's UV Index

The UV index in Gustavia, Saint Barthélemy, is generally high year-round, often ranging between 8 and 12, indicating strong ultraviolet radiation typical of tropical locations.

Weather Seasons

UV index

Seasonally, Gustavia experiences a wet season from June to November, with more rainfall and occasional hurricanes, while the dry season from December to May is sunnier and less humid.

Gustavia's Climate

Compared to the wider Caribbean region, Gustavia has a similar tropical climate but is slightly milder than some larger islands. It is generally sunnier and less rainy than neighboring islands like Guadeloupe and Martinique.

Hourly Trend

See the UV index hour by hour for Gustavia, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.

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.