UV Index
UV Index
Today's UV index in Basseterre, Saint Kitts and Nevis 
will be up to 11.8, 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 11.8 in Basseterre 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.
The UV index in Basseterre is usually high, especially from late morning to early afternoon, often ranging from 8 to 12 during sunny days, indicating strong ultraviolet radiation. The city experiences a tropical climate with warm temperatures year-round, with a wet season from May to November and a dry season from December to April. Compared to nearby islands in the Caribbean, Basseterre has similar warm temperatures but can experience slightly more rainfall during the wet season than some leeward islands like Antigua or Barbados.
See the UV index hour by hour for Basseterre, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.