Last updated: June 2, 2025
In the picturesque region of Mesa de San Pedro, Mexico, being aware of the UV Index is crucial for safeguarding your skin against harmful sun exposure. Understanding UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. With a climate characterized by intense sunlight, residents and visitors alike must stay informed about varying UV exposure risks, especially during the peak hours when the index soars to a maximum of 13 around midday. By keeping an eye on the UV Index, you can enjoy the beautiful sunny days while protecting yourself from potential skin damage.
As the day unfolds, the UV Index tells a compelling story of sun intensity. Beginning at 07:00, it starts with a mild 0, barely a concern. However, by 08:00, it nudges up to 1, suggesting a touch of caution. As the clock ticks into 09:00 and then 10:00, the index climbs steadily to 4, urging sun-seekers to take note. The peak intensity arrives at 13:00 with a striking 12, offering a reminder of the sun's power. Just an hour later, it reaches a crescendo of 13 at 14:00—the time for maximum protection. Gradually, the intensity wanes, descending to 10 at 16:00, and gently easing back to 4 by 18:00. By 19:00, the world welcomes a reprieve with a modest 2, marking the end of a sun-soaked day. This data paints a clear picture: whether basking or daring to venture out, awareness of the UV Index is key!
| 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 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index varies significantly throughout the year, with its peak occurring from March to October, where values reach 12 to 14 and are classified as extreme. During these months, the burn time is notably short at just 10 minutes, indicating a high risk of skin damage. February to April show particularly elevated risks, with February peaking at 11. Conversely, the winter months of November and December present a reduction in UV exposure, with indices dropping to 9 and 7, allowing for slightly longer burn times of 15 and 25 minutes respectively. Visitors and residents should remain vigilant, especially from March through October, using sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize UV-related health risks.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mesa de San Pedro | 8 | 11 | 12 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 7 |
| 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 |