UV Index in Oranjestad, Aruba

Last updated: June 2, 2025

Understanding the UV Index in Oranjestad, Aruba is crucial for protecting your skin from harmful ultraviolet rays. With its tropical climate and sunny disposition, Aruba often experiences high UV levels, making it essential to stay informed about daily changes in the index. Knowing when the UV levels peak—such as the 13 recorded between noon and 1 PM—can help you prevent sunburn and maintain your skin's health. By prioritizing UV awareness, residents and visitors can make informed decisions, enjoy the beautiful beaches, and safely bask in the island's abundant sunshine while minimizing exposure risks.

Hourly UV Index in Oranjestad

The UV Index today showcases a dramatic rise as the sun climbs in the sky, reaching its peak between 12:00 PM and 1:00 PM with a striking 13. Early hours start off gently, with levels at 1 by 7:00 AM and gradually increasing to 2 by 8:00 AM. As midday approaches, the index spikes, hitting 11 by 11:00 AM and reaching its zenith at 12:00 PM. The intensity begins to wane post-lunchtime, dropping to 9 by 3:00 PM, before steadily descending to 2 by 5:00 PM and fading to 0 as evening descends. Remember to protect your skin during those peak hours!

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	4	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	12	extreme	10 min
15:00	9	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 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.

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.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Oranjestad	11	12	14	14	13	13	13	13	13	12	11	10
Paradera UVI	11	12	14	14	13	13	13	13	13	12	11	10
Santa Cruz UVI	11	12	14	14	13	13	13	13	13	12	11	10
San Nicolas UVI	11	12	14	14	13	13	13	13	13	12	11	10
Tanki Leendert UVI	11	12	14	14	13	13	13	13	13	12	11	10