UV Index
UV Index
Today's UV index in St. George's, Grenada 
will be up to 9.9, indicating a very high 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
With a UV index of 9.9 in St. George's, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in St. George's, Grenada, is generally high, often ranging from 8 to 12 during the daytime, especially in the dry season months from December to May. This means the sun’s rays are strong throughout much of the year. People experience strong sunlight most days, with the highest UV exposure typically around midday.
St. George's has two main seasons: a dry season from December to May with less rain and lots of sunshine, and a wet season from June to November with more rain and occasional storms. Temperatures stay warm year-round, usually between 24°C (75°F) and 31°C (88°F), making it a tropical climate with little temperature change.
Compared to other Caribbean islands, Grenada's weather is similar to nearby countries like Trinidad and Tobago and Barbados, with warm temperatures and a clear dry and wet season cycle. It tends to be slightly wetter than some eastern Caribbean islands due to its location near the windward side, catching more rain from trade winds.
See the UV index hour by hour for St. George's, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.