UV Index in Santa Cruz, Aruba

Last updated: June 2, 2025

In Santa Cruz, Aruba, understanding the UV Index is essential for both locals and visitors alike. With the region's BSh climate, which boasts abundant sunshine year-round, awareness of UV levels can be a game-changer for preventing sunburn and promoting skin health. As the UV Index peaks at a staggering 13 during midday hours, knowing how to protect yourself from harmful rays is crucial. By monitoring these levels, you can enjoy the beautiful Aruban sun while safeguarding your skin from potential damage.

Hourly UV Index in Santa Cruz

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 Santa Cruz

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 Santa Cruz, Aruba

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santa Cruz. 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 Santa Cruz, 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 Santa Cruz UV Index with Other Aruba Cities

The table above highlights how UV exposure in Santa Cruz 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.

Santa Cruz'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
Santa Cruz	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
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
Oranjestad UVI	11	12	14	14	13	13	13	13	13	12	11	10