UV Index in Puerto Rico, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for protecting your skin and overall health, especially in the sun-drenched paradise of Puerto Rico, Mexico. With the UV levels soaring to a maximum of 14 by mid-afternoon, awareness of these fluctuations can help prevent painful sunburns and long-term skin damage. In this tropical climate, where the sun's rays are consistently intense, knowing when to seek shade or don sunscreen is essential for enjoying the beautiful outdoors safely. Embrace the sun wisely and make informed choices to safeguard your skin health!

Hourly UV Index in Puerto Rico

As the sun rises, the UV Index starts off low at 1 by 7:00 AM and 8:00 AM, perfect for early morning outings without much concern for sunburn. However, as the day progresses, intensity ramps up significantly, peaking at a striking 14 by 1:00 PM. The 12:00 PM hour marks an intense 13, indicating a time when sun safety becomes crucial. With values tapering off after 3:00 PM, where it drops to 10, and then gradually decreases to 1 by 7:00 PM, it's clear the midday sun is the strongest. To enjoy outdoor activities safely, be sure to slather on sunscreen and wear protective clothing during those peak UV 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	1	low	45 min
09:00	3	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	13	extreme	10 min
13:00	14	extreme	10 min
14:00	13	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Puerto Rico

During the year, the UV Index shows significant seasonal changes, peaking in the summer months. From January to March, the UV Index begins at 10 and escalates to 14 by April, maintaining that level through June. The highest readings occur in July with a UV Index of 15, indicating extremely high exposure risk. Post-July, the levels gradually decline, with October recording a UV Index of 13, before falling back to 10 in November and 9 in December, reflecting very high levels again. The high-risk months for UV exposure are February to October, which are classified as extreme or very high exposure categories. Visitors and residents are advised to take necessary precautions during these months, such as wearing protective clothing, utilizing broad-spectrum sunscreen, and seeking shade during peak sun hours to mitigate the risks associated with high UV exposure.

Monthly Maximum UV Index for Puerto Rico, Mexico

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

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

Puerto Rico's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Guadalajara UVI	9	11	14	14	14	13	13	13	13	12	9	8
Iztapalapa UVI	10	12	14	15	14	14	14	14	14	12	10	8
Ecatepec de Morelos UVI	10	12	14	15	15	14	14	13	14	12	10	8
Mexico City UVI	10	12	14	15	15	14	14	13	14	12	10	8
Puerto Rico	10	12	14	14	14	14	15	14	14	13	10	9
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9