Last updated: August 1, 2025
In Tierra y Libertad (San Blas), Mexico, being aware of the UV Index is essential for protecting your skin and overall health. Understanding UV levels helps you prevent sunburn, reduce the risk of skin damage, and enjoy your outdoor activities safely. With a BSk climate that fosters sunny days, the region experiences significant UV exposure, particularly between 10:00 AM and 2:00 PM when indices peak at 14. Staying informed about these levels is crucial for both locals and visitors looking to bask in the beauty of San Blas while ensuring their skin stays healthy and radiant.
As the sun rises, the UV Index begins to climb steadily, starting from a gentle 0 at 7:00 AM before reaching a modest 1 by 8:00 AM. By 9:00 AM, it picks up pace, hitting 2, and then escalates dramatically through the late morning. At 10:00 AM, the index spikes to 5, soon soaring to a peak of 14 from 1:00 PM to 2:00 PM, marking the day’s most intense exposure. The afternoon witnesses a gradual decline, settling at 10 by 4:00 PM and tapering off to a more manageable 3 by 6:00 PM. As the sun begins to set, the UV intensity eases into the evening, leaving behind a trace of 1 at 7:00 PM. Stay protected, especially during the peak hours, and enjoy the sunshine responsibly!
| 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 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 13 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index fluctuates throughout the year, with the highest risk months falling between February and October, where values reach extreme levels (11-15) and a burn time as short as 10 minutes is advised. March to May particularly showcase the peak UV ratings, with UV Index values peaking at 15 in May. In contrast, November and December experience lower UV exposure, categorized as very high to high, with longer burn times of 15 to 25 minutes. Visitors and residents are strongly urged to take precautions during the high-risk months, including wearing protective clothing, applying sunscreen regularly, and seeking shade, especially during midday hours, to minimize the risk of overexposure to harmful UV radiation.
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 |
| Tierra y Libertad (San Blas) | 8 | 11 | 13 | 14 | 15 | 14 | 14 | 14 | 14 | 12 | 9 | 7 |
| 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 |