UV Index in Oranjestad, Aruba

Last updated: May 3, 2025

Understanding the UV Index in Oranjestad, Aruba is crucial for both residents and visitors, as it serves as a guide to safe sun exposure and skin health. With the sun’s rays reaching their peak intensity—11 to 13 on the UV scale—during midday hours, being aware of these levels is vital for preventing sunburn and long-term skin damage. The tropical climate of Oranjestad, characterized by warm temperatures and abundant sunshine, heightens the potential for harmful UV exposure, making it essential to monitor daily UV levels and protect your skin accordingly. Stay informed and enjoy the beauty of Aruba safely!

Hourly UV Index in Oranjestad

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:005moderate30 min
10:008very high15 min
11:0011extreme10 min
12:0013extreme10 min
13:0013extreme10 min
14:0011extreme10 min
15:008very high15 min
16:005moderate30 min
17:002low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Oranjestad

The UV Index in this region shows extreme levels throughout most of the year, with the highest values occurring from March to May, peaking at 14. Notably, the high-risk months for sun exposure are March and April, where individuals have only 10 minutes before risking sunburn. From June to October, the UV Index remains steady at 13, posing a consistent risk for residents and visitors alike. As November and December roll in, the UV Index slightly decreases, yet remains in the very high to extreme categories, with burn times increasing to 15 minutes in December. To protect against UV damage, it is crucial for everyone to seek shade, wear protective clothing, and apply sunscreen diligently, especially during the peak months.

Monthly Maximum UV Index for Oranjestad, Aruba

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Oranjestad. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec111214141313131313121010
Data source: Statistical UV Index data for Oranjestad, 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 Oranjestad UV Index with Other Aruba Cities

The table above highlights how UV exposure in Oranjestad compares to other major locations across Aruba. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Oranjestad's solar exposure compared to other cities in Aruba. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Oranjestad111214141313131313121110
Paradera UVI111214141313131313121110
Santa Cruz UVI111214141313131313121110
San Nicolas UVI111214141313131313121110
Tanki Leendert UVI111214141313131313121110