UV Index
UV Index
Today's UV index in Oranjestad, Aruba 
will be up to 12.9, 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 12.9 in Oranjestad 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.
Oranjestad, Aruba, has a UV index usually ranging from moderate to high, often between 6 and 10. This means the sun can be strong, especially around midday.
The weather is warm and sunny year-round in Oranjestad. It has a dry season from January to September and a wetter season from October to December. Temperatures usually stay between 80 and 90 degrees Fahrenheit.
Compared to other Caribbean islands, Aruba is drier and less rainy. It is outside the hurricane belt, so it is safer during hurricane season. Neighboring countries like Venezuela have more rain and more temperature changes.
See the UV index hour by hour for Oranjestad, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.