Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Francisco Miguel Cardenas Valdez (Mascarenas), Mexico, where the climate falls within the BSk zone. Awareness of UV levels not only helps prevent painful sunburns but also promotes long-term skin health by minimizing risks of skin damage and related illnesses. The peak UV exposure typically occurs between 10 AM and 2 PM, reaching an intense level of 13 at noon, signaling a significant risk for those outdoors. By keeping a close eye on the UV Index, locals can enjoy the beautiful sunshine safely while protecting their skin.
The UV Index today rises steadily, starting from a mild 2 at 07:00 and peaking at an intense 13 by 12:00. As the sun reaches its zenith, the UV levels hit their highest mark of 11 at 11:00 and a staggering 13 at noon, highlighting the importance of sun safety during these hours. Following this peak, the index begins to taper off, dipping to 10 by 14:00 and gradually declining to 1 by 19:00. This hourly fluctuation underscores the need for protective measures, particularly between 10:00 and 14:00, when the sun is at its most powerful. Enjoy the sunshine, but remember to stay safe!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with higher intensity noted from February to September. The highest risk months are April to September, where the UV Index peaks at 12 to 13 and the potential burn time shortens to just 10 minutes. Notably, February and March also present higher risk levels, with an index of 8 and 10, respectively. Visitors and residents should take precautionary measures during these months, such as wearing protective clothing, applying sunscreen with high SPF, and seeking shade, particularly during midday hours when UV exposure is at its peak. In contrast, January, November, and December offer moderate exposure, with burn times of 30 min or more, although protection is still advisable.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Francisco Miguel Cardenas Valdez (Mascarenas) | 5 | 8 | 10 | 12 | 12 | 13 | 12 | 12 | 11 | 9 | 6 | 5 |
| 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 |