UV Index in San Pedro, Mexico

Last updated: August 1, 2025

In San Pedro, Mexico, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help prevent sunburn and long-term skin damage, especially in a region with a hot semi-arid climate (BWh) that experiences intense sunlight for much of the year. With peak UV Index values soaring to 12 around midday, it’s vital for locals and visitors alike to stay informed about daily UV exposure risks and take proactive measures to ensure their safety under the sun.

Hourly UV Index in San Pedro

As the sun rises, the UV Index starts off low at a manageable 1 from 07:00 to 08:00. However, things heat up quickly as we move into the late morning; by 10:00, it spikes to 5, reaching 8 at 11:00. The peak intensity occurs at 12:00, with an impressive index of 11, closely followed by 12 at 13:00 and 14:00—the sun is at its strongest! A gradual decrease follows, dropping to 10 by 15:00 and continuing down to 4 at 17:00. As the day winds down, the index relaxes further to 2 at 18:00 and returns to a safe 1 by 19:00. It's clear that today's UV risk peaks around midday, so remember to stay protected during those exposed 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	2	low	45 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	12	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 San Pedro

Throughout the year, UV Index levels fluctuate significantly, with high-risk months identified primarily from February to September. The UV Index peaks in March, April, May, and June at a critical 13, categorized as extreme, where the burn time is reduced to just 10 minutes. Visitors and residents should be particularly vigilant during these months, ensuring adequate sun protection such as using sunscreen, wearing protective clothing, and seeking shade when possible. As we transition into the cooler months, October and November still present elevated UV risks with indices of 10 and 8, respectively, signaling visitors to maintain sun safety practices. In the winter months, although the UV Index is lower, with values of 7 in January and 6 in December, it is advisable to remain cautious, especially on sunny days.

Monthly Maximum UV Index for San Pedro, Mexico

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

The table above highlights how UV exposure in San Pedro 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.

San Pedro'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
San Pedro	7	9	11	13	13	13	12	12	12	10	8	6
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