UV Index in H. Rivera Colon, Puerto Rico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in H. Rivera Colon, Puerto Rico, where the sun's rays can be intense throughout the year. With peak UV levels reaching as high as 13 around midday, awareness of these levels is essential for preventing sunburn and safeguarding skin health. Given the region's tropical climate, the risk of overexposure increases significantly, making it vital to monitor UV conditions daily. By staying informed about the UV Index, you can enjoy the beautiful Puerto Rican sun while protecting your skin from harmful effects.

Hourly UV Index in H. Rivera Colon

As the sun rises, the UV Index begins its ascent, starting at a low of 1 at 07:00. By 08:00, it gently climbs to 2, setting the stage for the day's peak. A steady increase brings us to 5 by 09:00, but the real intensity hits at 10:00, with the UV Index soaring to 8. The midday sun reaches its zenith at 11:00, where we peak at 11, and it continues to blaze at 12:00 with a staggering 13. As the afternoon sets in, the index begins its descent, recording 12 at 13:00 and gradually tapering off to 10 at 14:00. By 15:00, it slips down to 7, then further declines to 4 at 16:00. After a reprieve, the index drops to 2 at 17:00, finally settling back to a tranquil 1 by 18:00 and 0 at 19:00. This ebb and flow of the UV Index serves as a reminder of the sun’s powerful grip throughout the day, urging us to stay protected during the 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	5	moderate	30 min
10:00	8	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 H. Rivera Colon

Throughout the year, UV Index levels vary significantly, with the highest readings occurring from February to October. During this period, the UV Index remains predominantly in the extreme category, peaking at 14 in May and remaining consistently high at 13 from June to September. The months at highest risk for UV exposure are February to October, where the burn time is reduced to just 10 minutes. January, November, and December see a slight decrease in risk, with UV Index levels categorized as very high and a longer burn time of 15 minutes. Visitors and residents are advised to take extra precautions during these peak months by wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade during peak hours to minimize skin damage.

Monthly Maximum UV Index for H. Rivera Colon, Puerto Rico

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

The table above highlights how UV exposure in H. Rivera Colon 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.

H. Rivera Colon'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
H. Rivera Colon	9	11	13	13	14	13	13	13	13	12	9	8
Bayamon UVI	9	11	13	13	14	13	13	13	13	12	9	8
Ponce UVI	9	11	13	14	14	13	13	13	14	12	10	9