UV Index in Atotonilco, Mexico

Last updated: July 2, 2025

In Atotonilco, Mexico, awareness of the UV Index is crucial for safeguarding your skin against harmful solar radiation. Understanding UV levels is not just about avoiding sunburn; it's essential for promoting long-term skin health and preventing more serious conditions such as skin cancer. With a BSh climate that sees high UV exposure, particularly between 11 AM and 3 PM when the index peaks at a staggering 14, residents and visitors alike must remain vigilant. Embracing UV index awareness can help you enjoy the beautiful, sunny days in Atotonilco without compromising your well-being.

Hourly UV Index in Atotonilco

As the sun rises, the UV Index starts off gently, peaking at 1 by 08:00. However, as the day progresses, the intensity ramps up significantly. By 10:00, the index reaches 5, but the real heat kicks in at 12:00, soaring to an intense 11. The peak occurs at 14:00, where it hits a blistering 14—a clear signal to seek shade and protect your skin. After this, the index begins to drop, settling at 12 by 15:00 and gradually descending to 3 by 18:00. As twilight approaches, the UV levels ease back to 1 by 19:00, marking a dramatic contrast to the midday sun's peak. Stay vigilant and wear sun protection during these critical 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	13	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