UV Index
UV Index
Today's UV index in Nassau, Bahamas 
will be up to 11.2, 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 11.2 in Nassau 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.
Nassau’s UV index is usually high, especially in summer months, often ranging from 8 to 11, meaning the sun’s rays are very strong. During winter, the UV index drops but can still reach moderate levels like 4 to 6.
Nassau has warm and sunny weather most of the year, with a wet season from May to October bringing rain and storms. The dry season runs from November to April, offering cooler and less humid days with plenty of sunshine.
Compared to nearby Florida and other Caribbean islands, Nassau is generally warmer and sunnier year-round. It receives more tropical storms than Florida but fewer hurricanes than some eastern Caribbean islands like Puerto Rico or the Virgin Islands.
See the UV index hour by hour for Nassau, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.