UV Index in Zacapalco, Mexico

Last updated: August 1, 2025

Understanding the UV Index in Zacapalco, Mexico is essential for safeguarding your skin and health under the bright sun. As a region that experiences a Cwb climate, residents and visitors alike should be aware of the daily UV levels, especially when they peak between 10 AM and 2 PM. With UV Index values soaring to 14 at noon, the risk of sunburn and long-term skin damage increases significantly. Keeping informed about these levels not only aids in effective sunburn prevention but also contributes to overall skin health, ensuring you enjoy the beautiful weather safely while minimizing risks associated with intense sun exposure.

Hourly UV Index in Zacapalco

The UV Index for the day reveals a dramatic rise in sun exposure as the hours progress. Starting from a maximum of 0 at 07:00, the index climbs to a mild 1 at 08:00 and continues to escalate, hitting 2 by 09:00. The intensity peaks sharply at 12:00 with a striking 12. From there, the sun's rays reach their zenith at 13:00 and 14:00 with a peak UV Index of 14, prompting caution for outdoor activities. As the afternoon wanes, the index gradually declines, resting at 9 at 16:00, then settling down to 3 by 18:00, and finally returning to a safer 1 at 19:00. Be sure to gear up with sunscreen during those peak hours to stay protected!

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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	8	very high	15 min
12:00	11	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	12	extreme	10 min
16:00	9	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Zacapalco

Throughout the year, UV levels exhibit significant seasonal fluctuations, with the highest risks occurring from February to September, where the UV Index consistently reaches extreme levels of 12 to 14. During these months, the burn time is as short as 10 minutes, making it crucial for both visitors and residents to take protective measures. The peak UV Index occurs in April, June, July, and September at 14, marking them as particularly hazardous months. In contrast, from November to January, UV levels decrease, but January and February still present high (10-12) and extreme risks. Therefore, individuals are strongly advised to utilize sunscreen, wear protective clothing, and seek shade, especially during the high-risk months to minimize UV exposure.

Monthly Maximum UV Index for Zacapalco, Mexico

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

The table above highlights how UV exposure in Zacapalco 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.

Zacapalco'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
Zacapalco	10	12	13	14	13	14	14	13	14	11	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