UV Index in Willemstad, Curaçao

Last updated: June 2, 2025

In Willemstad, Curaçao, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With the sun's intensity peaking at a UV Index of 13 during midday, understanding these levels helps you take necessary precautions for outdoor activities. The tropical climate of Willemstad offers abundant sunshine, but this also means a heightened risk for UV exposure. By keeping track of UV levels, you can enjoy the beautiful weather while protecting your skin from potential damage. Stay informed, stay safe, and make the most of your time in this idyllic Caribbean paradise!

Hourly UV Index in Willemstad

The UV Index throughout the day reveals a dynamic pattern that peaks dramatically around noon. Starting from 1 at 07:00, it gradually climbs to 2 by 08:00, then elevates sharply to 5 at 09:00. The sun’s strength intensifies significantly, reaching a peak of 13 by 12:00 and maintaining this intensity until 13:00. As the afternoon progresses, the UV index begins to decline, dropping to 11 at 14:00, and further down to 8 by 15:00. The evening brings a gentle descent, winding down to 1 at 18:00 and resting at 0 by 19:00. For outdoor enthusiasts, it's clear that the midday hours demand vigilance against sun exposure, while the early morning and late afternoon provide more comfortable UV conditions.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Willemstad

Throughout the year, the UV Index reflects significant seasonal variations, with extreme levels consistently observed from January to November. High-risk months are primarily from February to May, where the UV Index peaks at 14, indicating a burn time of just 10 minutes for unprotected skin. While June to October maintains a stable UV Index of 13, the burn time remains critical at 10 minutes. Only in December does the index dip to 10 (very high), extending the burn time to 15 minutes. Therefore, it is essential for both visitors and residents to prioritize sun protection measures—such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours, especially from February to May.

Monthly Maximum UV Index for Willemstad, Curaçao

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Willemstad. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Willemstad, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Willemstad UV Index with Other Curaçao Cities

The table above highlights how UV exposure in Willemstad compares to other major locations across Curaçao. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Willemstad's solar exposure compared to other cities in Curaçao. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sabana Westpunt UVI	11	12	14	14	13	14	13	13	13	12	11	10
Dorp Soto UVI	11	12	14	14	13	14	13	13	13	12	11	10
Barber UVI	11	12	14	14	13	14	13	13	13	12	11	10
Sint Michiel Liber UVI	11	12	14	14	13	14	13	13	13	12	11	10
Willemstad	11	12	14	14	14	13	13	13	13	13	11	10