Gustavia UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index12.1
- Avg Clouds71%
- Max Temp28.6 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Gustavia, Saint Barthélemy 
will reach a high of 12.1 today. This means a extreme level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-19
Hourly Forecast Chart
Today's Safety Tips
Extreme danger! Avoid being in the sun, especially during midday. If you go out, cover up with clothing, a hat, and sunglasses, and use plenty of sunscreen.
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
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 UV Index Trend
See the UV index hour by hour for Gustavia. When the level is high, it's smart to find some shade.
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