UV Index
UV Index
Today's UV index in Willemstad, Curaçao 
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 Willemstad 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.
Willemstad, Curaçao has a UV index that is often high year-round, typically ranging from 8 to 11, meaning the sun is very strong most days. The UV levels peak around midday and are slightly higher during the dry season.
The island experiences two main seasons: a dry season from January to September with sunny skies and little rain, and a rainy season from October to December with occasional showers and thunderstorms. Temperatures stay warm all year, usually between 27°C and 31°C (81°F to 88°F).
Compared to nearby islands like Aruba and Bonaire, Curaçao has a similar warm climate but often gets a bit more rain during the wet season. It is drier and less humid than many parts of mainland countries like Venezuela and Colombia.
See the UV index hour by hour for Willemstad, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.