UV Index in Palmas, Puerto Rico

Last updated: June 2, 2025

In Palmas, Puerto Rico, being aware of the UV Index is crucial for safeguarding your skin health. Understanding the levels of UV radiation can significantly help in preventing sunburns and minimizing the risk of long-term skin damage. With a climate characterized by warm temperatures and sunny skies, Palmas experiences peak UV levels that can soar to a staggering 13 during midday hours. This means that effective sun protection measures are essential for both locals and visitors alike, ensuring enjoyable and safe outdoor experiences under the tropical sun.

Hourly UV Index in Palmas

The UV Index begins at a mild level of 1 at 07:00, but as the sun climbs higher, it swiftly escalates. By 10:00, it peaks at a critical 9, reaching a maximum of 13 at 12:00, indicating that protective measures are essential. After noon, the index gradually declines, tapering to 7 by 15:00, before dipping to a 2 by 17:00, and finally settling at 0 by 19:00 as the sun sets. This data highlights the importance of sun safety during the hours when UV exposure is at its highest, particularly around midday.

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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	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 Palmas

As the seasons change, the UV Index exhibits notable fluctuations, with high-risk months typically from February to October, where values reach extreme levels of 11 to 14. In these months, the burn time is as brief as 10 minutes, necessitating increased caution. In January, November, and December, while the UV Index remains at a very high level of 9, individuals still face a burn time of 15 minutes, indicating a need for protection. To ensure safety, both visitors and residents should prioritize wearing sunscreen, protective clothing, and seeking shade regularly during these peak months, especially from midday to mid-afternoon when the sun's intensity is highest.

Monthly Maximum UV Index for Palmas, Puerto Rico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Palmas. 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 Palmas, 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 Palmas UV Index with Other Puerto Rico Cities

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

Palmas's solar exposure compared to other cities in Puerto Rico. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Caguas UVI	9	11	13	13	14	13	12	13	13	12	9	8
Carolina UVI	9	11	13	13	14	13	12	13	13	12	9	8
San Juan UVI	9	11	13	13	14	13	12	13	13	12	9	8
Bayamon UVI	9	11	13	13	14	13	13	13	13	12	9	8
Palmas	9	11	13	13	13	13	13	13	14	12	9	9
Ponce UVI	9	11	13	14	14	13	13	13	14	12	10	9