UV Index
UV Index
Today's UV index in George Town, Cayman Islands 
will be up to 12.2, 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: 2025-05-10
UV index at 12.2 in George Town 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 George Town, Cayman Islands is usually high, often ranging from 8 to 11 during most months, indicating strong sun exposure. It is particularly intense from late spring to early fall.
Seasonal patterns show a tropical climate with warm temperatures year-round, averaging 77-88°F (25-31°C). The wet season runs from May to October with frequent rain showers, while the dry season lasts from November to April.
Compared to the wider Caribbean region, George Town has a similar climate but often experiences slightly more rainfall during the wet season. Neighboring countries like Jamaica or Cuba may have similar temperatures but sometimes more variation in rainfall and cooler winters.
See the UV index hour by hour for George Town, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.