UV Index in San Jose Atotonilco, Mexico

Last updated: June 2, 2025

Living in San Jose Atotonilco, Mexico, understanding the UV Index is crucial for maintaining your skin's health and preventing sunburns. With its Cwb climate, residents face intense solar radiation, especially during midday when the UV Index spikes to a maximum of 14. This makes it essential to keep track of UV levels throughout the day—particularly between 11:00 AM and 1:00 PM—to ensure adequate protection against harmful rays. By staying informed, you can enjoy the vibrant outdoors while safeguarding your skin and overall health.

Hourly UV Index in San Jose Atotonilco

The UV Index shows a remarkable progression throughout the day, with the most intense exposure occurring around noon. Starting from a mild 1 at 07:00 and 08:00, the index gradually climbs, reaching 9 by 11:00. The peak is reached at a striking 14 between 13:00 and 14:00, indicating a critical time for sun safety precautions. As the afternoon moves on, the index begins to decline, dropping to 5 by 17:00 and returning to a safer 1 by 19:00. To enjoy the sun responsibly, ensure protective measures are in place during those peak hours of 10:00 to 15:00!

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	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	13	extreme	10 min
15:00	11	extreme	10 min
16:00	8	very high	15 min
17:00	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in San Jose Atotonilco

The UV Index experiences significant seasonal fluctuations, peaking from February to September with consistently high levels categorized as extreme. During these months, the UV Index reaches up to 14, with a burn time of just 10 minutes, making it essential for visitors and residents to take precautionary measures, such as applying sunscreen and wearing protective clothing. January and November show a slight decrease, with a very high UV Index of 10, allowing for a longer burn time of 15 minutes. However, even in December and October, the UV Index remains considerable at 9 and 12, respectively. To ensure safety, it is advisable to limit sun exposure during the high-risk months of February through October, particularly between 10 AM and 4 PM, when UV radiation is at its strongest.

Monthly Maximum UV Index for San Jose Atotonilco, Mexico

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

The table above highlights how UV exposure in San Jose 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.

San Jose 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
San Jose Atotonilco	10	12	13	14	14	14	13	13	13	12	10	9
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