UV Index in Sumidero, Mexico

Last updated: May 3, 2025

In Sumidero, Mexico, understanding the UV Index is crucial for protecting your skin against harmful rays. With intense midday sun, particularly during the peak hours of 11 AM to 2 PM, UV levels can soar to an alarming 15—making awareness essential for sunburn prevention and maintaining overall skin health. Given Sumidero's tropical climate, where UV exposure risks are heightened, being informed about daily UV fluctuations helps residents and visitors enjoy the outdoors safely while minimizing long-term skin damage. Stay vigilant and arm yourself with knowledge to make the most of the sun while keeping your skin protected!

Hourly UV Index in Sumidero

As the sun rises, the UV Index begins its steady climb, starting at a low of 1 at 7:00 AM and 8:00 AM. However, by 9:00 AM, it reaches 3, signaling the start of stronger rays. The peak occurs at 12:00 PM, soaring to a striking 14, and then hitting its maximum of 15 at 1:00 PM. For those out in the sun, this indicates a significant need for sun protection. The index gradually declines in the afternoon, dropping to 12 by 3:00 PM, and further to 5 by 5:00 PM, before returning to a low of 1 by 7:00 PM. This data emphasizes the importance of being sun-smart, particularly during those critical midday hours when the UV intensity is at its highest.

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:003moderate30 min
10:006high25 min
11:0010very high15 min
12:0014extreme10 min
13:0015extreme10 min
14:0014extreme10 min
15:0012extreme10 min
16:008very high15 min
17:005moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Sumidero

Throughout the year, UV Index levels exhibit significant seasonal fluctuations, with high-risk months typically from February to October. During this period, the UV Index peaks at 15, categorized as extreme, particularly from April to July, necessitating vigilant sun safety measures. In these months, the burn time is only 10 minutes, indicating a critical need for protective measures such as sunscreen, hats, and UV-blocking sunglasses. Conversely, November and December see a decrease in UV exposure, categorized as very high, with a lengthened burn time of 15 minutes in those months. Therefore, both visitors and residents are strongly advised to monitor UV levels regularly and take necessary precautions, especially during the warmer, sunnier months to minimize the risk of skin damage.

Monthly Maximum UV Index for Sumidero, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sumidero. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141412109
Data source: Statistical UV Index data for Sumidero, 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 Sumidero UV Index with Other Mexico Cities

The table above highlights how UV exposure in Sumidero 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.
Sumidero's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Guadalajara UVI911141414131313131298
Iztapalapa UVI10121415141414141412108
Ecatepec de Morelos UVI10121415151414131412108
Mexico City UVI10121415151414131412108
Puebla UVI10121415151515141413109
Sumidero10121415151515141413109