UV Index in Atotonilco, Mexico

Last updated: August 1, 2025

In Atotonilco, Mexico, awareness of the UV Index is essential for safeguarding your skin against harmful UV radiation. Understanding UV levels is crucial not only for preventing painful sunburn but also for promoting long-term skin health. Given Atotonilco's BSk climate, which boasts plenty of sunny days, the UV exposure peaks dramatically from 12 PM to 2 PM, with readings reaching as high as 14—a level that calls for immediate protection. Stay informed, enjoy the sun responsibly, and protect your skin!

Hourly UV Index in Atotonilco

At dawn, the UV Index starts off quietly at 0 by 7:00 AM, gradually rising to 1 by 8:00 AM. The sun's strength begins to surface by 9:00 AM reaching 2, but it’s not until 10:00 AM that things really heat up, with the index soaring to 5. The peak of the day hits at 12:00 PM, with an intense 11, and it continues to climb, peaking at 14 by 1:00 PM and again at 2:00 PM. As the afternoon unfolds, this intensity wanes, dipping to 13 by 3:00 PM, before gracefully descending to 10 by 4:00 PM. The UV levels decline further to 7 at 5:00 PM and down to 4 by 6:00 PM, finally retreating back to 1 by 7:00 PM. Make sure to 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	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	11	extreme	10 min
13:00	13	extreme	10 min
14:00	14	extreme	10 min
15:00	13	extreme	10 min
16:00	10	very high	15 min
17:00	7	high	25 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Atotonilco

Throughout the year, the UV Index exhibits significant seasonal variations, peaking during the spring and summer months. From January to March, the UV Index rises from 8 (very high) to 13 (extreme), leading into an intense period from April to October where the index remains at 14-15 (extreme) for most months, indicating a critical need for sun protection. February and March are particularly high-risk, with an extreme UV Index of 11 and 13, while the months of April and May reach their peak at 15, contributing to a burn time of just 10 minutes. As the summer wanes, the index gradually decreases to 13 in October, followed by a drop to 10 in November and returning to 8 in December (both categorized as very high). It is crucial for visitors and residents to prioritize sun safety during these high-risk months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during midday hours when UV exposure is the highest.

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
Guadalajara UVI	9	11	14	14	14	13	13	13	13	12	9	8
Atotonilco	8	11	13	15	15	14	14	14	14	13	10	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