Last updated: July 2, 2025
In Aquiles Serdan 1ra. Seccion, Mexico, being aware of the UV Index is crucial for protecting your skin from harmful solar radiation. Understanding UV levels can significantly help in preventing sunburn and maintaining long-term skin health, especially in a region characterized by a warm, semi-arid climate. With peak UV exposure reaching dangerous levels of 14 around midday, it's essential for residents and visitors alike to stay informed about daily fluctuations in UV intensity. This knowledge empowers you to take necessary precautions, ensuring you enjoy the sun safely while minimizing risk.
The UV Index data reveals a dynamic shift in sun intensity throughout the day. Early morning hours from 07:00 to 09:00 see a mild index, peaking at 3 by 09:00. However, the sun's strength escalates sharply as we approach midday, with the index skyrocketing to 12 at 12:00 and reaching its zenith at 14:00 with a striking 14. As the afternoon progresses, a gradual decline begins, dropping to 10 by 15:00, and tapering down as evening approaches. By 19:00, the UV Index returns to a gentle 1, reminiscent of the early morning's cool embrace. It's a clear reminder to stay protected during peak hours, especially between 11:00 and 14:00, when the sun poses its strongest rays.
| 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 | 14 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels display significant seasonal changes, with the highest exposures occurring during the spring and summer months. From February to October, the UV Index consistently reaches extreme levels of 11 to 14, indicating a burn time of just 10 minutes for unprotected skin. March to August are particularly high-risk months, where the potential for skin damage is greatest. Conversely, the UV Index dips in January, November, and December to 9 and below, categorizing exposure as very high but with longer burn times of up to 15 minutes. Visitors and residents should take precautionary measures during peak months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during midday hours to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aquiles Serdan 1ra. Seccion | 9 | 11 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 9 | 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 |