UV Index
UV Index
Today's UV index in Hamilton, Bermuda 
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 Hamilton, 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.
Hamilton, Bermuda, has a UV index that is generally moderate to high, especially during the summer months from May to September, reaching levels around 7 to 10. This means the sun can be quite strong during that period.
The weather in Hamilton shows clear seasonal patterns with warm, humid summers and mild, wetter winters. Summer temperatures usually range from 75°F to 85°F, while winter temperatures stay between 60°F and 70°F, with occasional rain showers mostly in winter.
Compared to the wider Caribbean region, Bermuda is cooler in winter and experiences less extreme heat in summer. It is more temperate than many nearby islands like Puerto Rico or the Bahamas, and its rainfall is relatively evenly spread but with a wetter winter season.
See the UV index hour by hour for Hamilton, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.