UV Index in Oranjestad, Aruba

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Oranjestad, Aruba, where the sun shines brightly almost year-round. Being aware of UV levels helps prevent sunburn and protects long-term skin health, allowing you to enjoy the vibrant outdoor lifestyle without adverse effects. With the tropical BSh climate of Oranjestad, UV exposure can escalate quickly, peaking at an intense 13 from 12 PM to 1 PM—making it essential to monitor these levels daily. Arm yourself with knowledge about the UV Index to ensure that your time under the sun remains safe and enjoyable!

Hourly UV Index in Oranjestad

The UV Index on this particular day exhibits a striking pattern, peaking at 13 between 12:00 PM and 1:00 PM, indicating a very high risk of harm from unprotected sun exposure. Rising steadily from a gentle 1 at 7:00 AM, it escalates sharply to 11 by 11:00 AM and reaches its zenith at noon. After this intense midday exposure, the index begins to decline, falling to 5 by 4:00 PM, then gradually tapering off to 0 by 7:00 PM. It's a clear reminder to stay protected during those peak hours, especially when the sun is highest in the sky!

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	7	high	25 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 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