UV Index in El Grullo, Mexico

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of El Grullo, Mexico, especially given its warm and sunny climate. Being aware of UV levels can significantly aid in preventing sunburn and promoting overall skin health, as exposure to high UV radiation can lead to long-term skin damage. With peak UV Index values soaring to 13 during midday, it's essential to stay informed about the risks and take necessary precautions to enjoy the beautiful outdoors safely. Whether you're lounging in the sun or engaging in outdoor activities, knowing the UV Index helps you make smart decisions for your well-being while soaking in the vibrant atmosphere of El Grullo.

Hourly UV Index in El Grullo

As the day unfolds, the UV Index rises steadily, beginning at a safe 0 at 07:00 and peaking dramatically. By 10:00, it escalates to 4, signaling the need for some sun protection. The intensity reaches 10 at 12:00, and then hits its maximum at 13:00 with a formidable 12. Right after, it slightly dips but remains high at 12 until 15:00. As the afternoon wanes, the UV Index begins to decline, dropping to 9 by 16:00, and continuing its descent to 1 by 19:00. This fluctuation highlights the importance of being sun-smart during peak hours, especially between 11:00 and 15:00, when the sun is at its strongest.

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

Monthly UV Index Trends in El Grullo

The seasonal UV changes exhibit a peak in exposure from February to October, with the highest UV Index occurring in April and September at a level of 14, categorized as extreme. January and November present a moderate risk with a UV Index of 9, while December and October show slightly lower levels but still indicate caution with an index of 8 and 12 respectively. Visitors and residents should be particularly mindful from February through October, with a burn time as brief as 10 minutes during these months. It is crucial to practice sun safety by wearing protective clothing, applying sunscreen regularly, and seeking shade, especially during peak sun hours. Don't underestimate the importance of UV protection even in the fall and winter months.

Monthly Maximum UV Index for El Grullo, Mexico

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

The table above highlights how UV exposure in El Grullo 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.

El Grullo'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
El Grullo	9	11	13	14	13	14	13	13	14	12	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