UV Index
UV Index
Today's UV index in Charlotte Amalie, United States Virgin Islands 
will be up to 11.5, indicating a extreme level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-21
UV index at 11.5 in Charlotte Amalie means extreme risk: limit outdoor time especially from 10 a.m. to 4 p.m., actively seek shade, wear protective clothing, broad-brimmed hat, apply SPF 30+ sunscreen every 2 hours, and wear UV-blocking sunglasses. Watch for bright surfaces like water and snow increasing UV exposure.
Charlotte Amalie typically has a moderate UV index ranging from 6 to 11 throughout the year, indicating medium to very high sun exposure levels. The highest UV index values usually occur around midday.
The weather in Charlotte Amalie is warm and tropical all year, with wet months from August to November and drier months from December to April. Temperatures stay fairly steady, rarely changing much between seasons.
Compared to nearby Caribbean islands and Puerto Rico, Charlotte Amalie experiences similar tropical weather with warm temperatures and seasonal rainfall. It generally has slightly lower rainfall than some wetter Caribbean islands, but shares the same warm climate patterns.
See the UV index hour by hour for Charlotte Amalie, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.