UV Index in San Juan Atzompa, Mexico

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in San Juan Atzompa, Mexico, especially given its Cwa climate, which brings warm, sunny days that elevate UV exposure risks. Awareness of UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. With peak UV Index values reaching as high as 15 around midday, it's essential to take appropriate measures to protect yourself from harmful effects, ensuring enjoyable outdoor experiences in this picturesque region.

Hourly UV Index in San Juan Atzompa

The UV Index today presents a dynamic shift, starting from a gentle 1 at 07:00 and 08:00, perfect for early risers. As the sun climbs, the intensity increases sharply, reaching 3 by 09:00 and surging to a peak of 15 at 14:00. This indicates a significant potential for skin damage without protection during these hours. After peaking, the index gradually declines, dropping to 9 by 16:00, and winding down to a safe 1 again by 19:00. To protect yourself, it’s crucial to take precautions, especially between 11:00 and 15:00, when the sun is most powerful. Remember: stay sun-smart!

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	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	5	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in San Juan Atzompa

During the year, UV exposure levels vary significantly, peaking in the summer months. From January to April, the UV index starts off at 10 and rises to a maximum of 14. The highest UV indices of 15 are observed in June and July, making these months particularly hazardous with a burn time of only 10 minutes. The danger remains high through August and September before tapering off in October to 12. While November and December see a decrease to indices of 10 and 9, respectively, these months are still classified as having very high exposure. Residents and visitors should take precautions during the high-risk months of February to October, especially during midday hours. Sunscreen, protective clothing, and seeking shade are essential to minimize UV-related health risks.

Monthly Maximum UV Index for San Juan Atzompa, Mexico

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

The table above highlights how UV exposure in San Juan Atzompa 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 Juan Atzompa'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
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
San Juan Atzompa	10	12	14	14	14	15	15	14	14	12	10	9
Puebla UVI	10	12	14	15	15	15	15	14	14	13	10	9