Last updated: June 2, 2025
In Guanacastal 1ra. Seccion, Mexico, understanding the UV Index is crucial for safeguarding your skin health against the potentially harmful effects of sun exposure. Elevated UV levels can lead to sunburn and long-term skin damage, making awareness a key ally in prevention. With a climate characterized by high temperatures and abundant sunshine, residents and visitors alike face significant UV exposure risks, especially during peak hours from 10 AM to 2 PM when the UV index can soar to 13. By staying informed about daily UV levels, you can enjoy outdoor activities safely while protecting your skin from unnecessary harm.
The UV Index reaches its peak intensity today, starting off mild at 1 during the early hours. As the sun climbs higher, exposure to UV radiation becomes increasingly significant, with the index soaring to 13 at 1:00 PM—the highest point of the day. The hours leading up to noon show a steady rise, hitting 12 at noon and a striking 10 by 11:00 AM. Early afternoon sunbathers should take precautions as the intensity gradually tapers off in the later hours, falling back to 3 by 5:00 PM and returning to a safe 1 by evening. Remember to stay protected during those peak hours!
| 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 | 6 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal changes throughout the year, peaking during the months from February to October. The highest risk months for UV exposure are March to May, where the index remains at an extreme level of 13-14, necessitating a burn time of just 10 minutes. Visitors and residents should exercise extra caution during these months by seeking shade, wearing protective clothing, and applying sunscreen regularly. By contrast, November and December see a decrease in UV risk, with very high exposure levels but longer burn times of 15 minutes. Overall, it's essential to remain vigilant about UV exposure year-round, particularly during the spring and summer months, to maintain skin health.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Guanacastal 1ra. Seccion | 10 | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 10 | 8 |
| 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 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |