UV Index in Guillermo Prieto, Mexico

Last updated: July 2, 2025

In Guillermo Prieto, Mexico, understanding the UV Index is essential for protecting your skin and overall health. With a climate characterized by ample sunshine, local residents face unique challenges when it comes to UV exposure, especially during peak hours. By monitoring UV levels, you can take proactive measures to prevent sunburn and long-term skin damage. Typically, the UV Index soars to alarming levels between 10 AM and 2 PM, reaching a high of 13 at noon, indicating a critical need for sun safety strategies. Stay informed and enjoy the sun responsibly!

Hourly UV Index in Guillermo Prieto

As the sun rises, the UV Index begins modestly at 1 between 07:00 and 08:00, signaling a gentle start to the day. However, by 09:00, it's on the rise to 3, hinting at the increasing intensity of UV radiation. The midday hours see a dramatic surge, peaking at a scorching 13 by 13:00. This period between 11:00 and 14:00 is particularly critical, with values soaring to 9 and 12, urging caution for outdoor activities. As the afternoon rolls in, the index gradually retreats, dropping to 11 at 15:00 and then declining further to 4 by 17:00, indicating a safe return to outdoor pursuits as evening approaches. The UV risk diminishes significantly by 18:00, resting at 2, before settling back to 1 as dusk falls. Stay sun smart and protect your skin during those 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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	13	extreme	10 min
15:00	11	extreme	10 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 Guillermo Prieto

Throughout the year, UV Index levels demonstrate significant seasonal variation, with the highest risk months occurring from February to October, peaking in June with an UV Index of 14. During this period, the exposure category is consistently classified as extreme, allowing for only a 10-minute burn time. January and November present a very high risk with a UV Index of 9, while December and October show slightly lower UV levels, yet still in the very high range. Residents and visitors are advised to take precautions during these peak months by wearing protective clothing, using broad-spectrum sunscreen, and seeking shade whenever possible to minimize skin damage. Staying informed about the UV Index and adjusting outdoor activities accordingly can significantly reduce the risk of harmful UV exposure.

Monthly Maximum UV Index for Guillermo Prieto, Mexico

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

The table above highlights how UV exposure in Guillermo Prieto 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.

Guillermo Prieto'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
Guillermo Prieto	9	11	12	13	13	14	13	13	13	11	9	8
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