Last updated: July 2, 2025
In San Luis Acatlán, Mexico, awareness of the UV Index is crucial for safeguarding skin health and preventing sunburn. With its tropical climate and high UV exposure levels, residents and visitors alike must stay informed about daily fluctuations in UV intensity. Understanding these levels not only helps you enjoy the sun responsibly but also plays a vital role in long-term skin protection. During peak hours, particularly between 11:00 AM and 2:00 PM, UV readings can soar to exceptionally high levels, reaching up to 13. This knowledge empowers you to take necessary precautions and embrace the vibrant outdoor lifestyle while prioritizing your skin's well-being.
The UV Index today demonstrates a dramatic rise in intensity, with zero exposure early in the morning at 07:00. As the day progresses, the index climbs steadily, reaching a moderate 2 by 09:00, then 5 at 10:00 and peaking at an intense 13 by 13:00. The sun continues to beat down, maintaining the same level of 13 until 14:00, before gradually decreasing. By 16:00, the UV Index drops to 8, and by the end of the day, it returns to a safe 1 by 19:00. This data serves as a reminder to protect your skin during the peak hours of 11:00 to 15:00 when the UV rays are strongest.
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 | 8 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 12 | 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 |
Throughout the year, UV Index levels display notable seasonal changes, peaking during the spring and summer months. From January to April, UV levels gradually rise from 10 to 14, indicating a transition to extreme risk. The high-risk months are February through October, when the UV Index remains consistently 11 or higher, making it critical for visitors and residents to take precautions against sun exposure. In particular, March through June exhibits the highest levels at 14, with a burn time of just 10 minutes. As summer gives way to fall, UV levels begin to decline, but September and October still warrant caution due to an Index of 12. It is advised to wear protective clothing, apply broad-spectrum sunscreen, and seek shade during peak hours, especially from midday to early afternoon, to ensure safety and maintain skin health.
UV Risk Categories
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 Luis Acatlan | 10 | 11 | 13 | 14 | 14 | 14 | 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 |