Last updated: July 2, 2025
In Santa Rosa, Mexico, understanding the UV Index is crucial for protecting your skin and overall health. With UV levels reaching a maximum of 14 during peak hours, being aware of these values can help you prevent sunburn and reduce the risk of long-term skin damage. Given Santa Rosa's tropical climate, where intense sunlight is a regular feature, residents and visitors alike must stay informed about daily UV exposure risks. By checking the UV Index, you can enjoy the beautiful outdoor lifestyle while safeguarding your skin from harmful rays.
The UV Index of the day presents a clear story of rising intensity as the sun ascends. In the early hours, from 07:00 to 09:00, the index is low, peaking at 1, ideal for morning strolls. However, the sun grows stronger as noon approaches, with the index soaring to a striking 12 by 12:00, signaling high risk for unprotected skin. The peak intensity occurs between 13:00 and 14:00, where it reaches a maximum of 14—a critical time for sun safety. As the afternoon wanes, the UV Index gradually diminishes, dropping to 8 at 16:00, and further declining to 1 by 19:00. It’s a day underscoring the importance of sun protection, especially during the midday hours when UV exposure is at its highest!
| 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 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As seasonal UV levels fluctuate throughout the year, visitors and residents must pay close attention to the high-risk months from February to October, when the UV Index consistently reaches extreme levels of 12 or higher. In these months, the burn time is dramatically reduced to just 10 minutes, making it crucial to take precautions. January, November, and December exhibit very high UV levels, allowing for slightly longer exposure times of 15 minutes, but caution is still advised. To protect yourself from potential skin damage, it's essential to apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sunlight hours, especially in the spring and summer months when the UV Index peaks at 14 in May and July. Stay informed and safe to enjoy the outdoors responsibly.
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 |
| Santa Rosa | 10 | 12 | 13 | 13 | 14 | 13 | 14 | 13 | 13 | 12 | 10 | 9 |
| 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 |