UV Index in Las Piedras, Mexico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Las Piedras, Mexico, where high sun exposure can pose significant risks. With UV levels often peaking at 12 during midday, even a short period of unprotected sun exposure can lead to painful sunburns and long-term skin damage. This knowledge becomes essential in safeguarding your skin health, especially in Las Piedras' Csa climate, characterized by warm, sunny days. By staying informed about the UV Index, you can take proactive steps to enjoy the outdoors safely while minimizing the risks associated with high UV exposure.

Hourly UV Index in Las Piedras

At dawn, 7:00 AM, the UV Index starts low at 1, signaling a gentle morning sun. As the day unfolds, it gradually climbs to 2 by 8:00 AM, and then to 3 at 9:00 AM, hinting at the sun's increasing strength. The peak intensity occurs between 12:00 PM and 1:00 PM, where it skyrockets to a blistering 11 and 12, urging sun seekers to seek shade and apply sunscreen. Following this zenith, the UV Index begins to taper off, dropping to 9 by 3:00 PM, before easing down to 3 at 5:00 PM, and finally returning to a minimal 1 by evening. This hourly breakdown emphasizes the importance of sun safety during the midday hours when UV radiation is most potent.

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	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Las Piedras

The UV Index exhibits significant seasonal variations, peaking between March and October, where the exposure category is predominantly extreme. Notably, the months of April and May maintain an index of 13, indicating critical sun exposure risks with a burn time of just 10 minutes. March also presents a high risk with a UV index of 12. Residents and visitors should be particularly vigilant during these months, as skin damage can occur quickly. In contrast, November and December show a reduction in risk, with indices declining to 9 and 7, respectively. Advising individuals to apply sunscreen, wear protective clothing, and seek shade during peak sun hours is essential, especially in high-risk months.

Monthly Maximum UV Index for Las Piedras, Mexico

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

The table above highlights how UV exposure in Las Piedras 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.

Las Piedras'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
Las Piedras	8	10	12	13	13	13	12	12	12	11	9	7
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
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9