UV Index in Atotonilco, Mexico

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Atotonilco, Mexico, as it plays a significant role in protecting skin health and preventing sunburn. With the region's semi-arid climate, the sun's rays can be particularly intense, especially around midday when UV levels peak at a dangerous 14. Awareness of these UV levels helps to encourage safe sun practices and reduces the risk of long-term skin damage. By staying informed and taking precautions, you can enjoy the beautiful outdoor environment while keeping your skin safe from harmful UV exposure.

Hourly UV Index in Atotonilco

As the sun rises, the UV Index starts at a gentle 1 at 7:00 AM, indicating minimal sun exposure risk. By 9:00 AM, it climbs to 2, showcasing the gradual intensification of sunlight. The peak arrives at 12:00 PM with a striking 12, signaling a high risk of harm from unprotected sun exposure. This intensity continues through 1:00 PM and 2:00 PM, where it reaches its maximum of 14—a reminder to seek shade and apply sunscreen. As the afternoon progresses, the UV Index begins to taper off, dropping to 9 at 4:00 PM, and ending the day at a safer 1 by 7:00 PM. Stay sun-smart, especially during the 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	2	low	45 min
10:00	5	moderate	30 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	14	extreme	10 min
14:00	14	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 Atotonilco

Throughout the year, UV exposure fluctuates significantly, with the highest risk occurring from February to October. During these months, particularly from March to July, the UV Index consistently reaches extreme levels of 13 to 14, resulting in a burn time of just 10 minutes. January and November still present high UV levels with indices of 8 and 9, requiring vigilance as burn times are 15 minutes. Conversely, December and October show a decrease in UV intensity, where even the highest readings are manageable with longer burn times of 25 minutes and a UV Index of 12. Visitors and residents should prioritize sun safety during high-risk months by seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the dangers of overexposure.

Monthly Maximum UV Index for Atotonilco, Mexico

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

The table above highlights how UV exposure in Atotonilco 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.

Atotonilco'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
Atotonilco	8	11	13	14	14	14	14	13	13	12	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