UV Index
UV Index
Today's UV index in Diego Garcia, British Indian Ocean Territory 
will be up to 11.4, 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: 2025-05-09
UV index at 11.4 in Diego Garcia 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 Diego Garcia is generally high year-round due to its tropical location near the equator. It often ranges from 8 to 12, indicating strong ultraviolet radiation most days.
Diego Garcia has a tropical climate with two main seasons: a wet season from November to April with heavy rain and storms, and a dry season from May to October which is cooler and less rainy.
Compared to nearby regions, Diego Garcia is warmer and more humid than many parts of India and East Africa. Its rainfall is higher than areas further inland, but similar to other islands in the Indian Ocean like the Maldives.
See the UV index hour by hour for Diego Garcia, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.