Last updated: May 3, 2025
In San Rafael Rio Seco, Mexico, staying informed about the UV Index is essential for protecting your skin and overall health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, which is especially important in this tropical climate known for its intense sunlight. With UV Index readings peaking at a stratospheric 15 during midday, residents and visitors must remain vigilant about sun safety. By being aware of the UV Index, you can enjoy the beautiful outdoors while minimizing the risks associated with excessive sun exposure.
As the sun rises, the UV Index begins its steady climb, starting at a low of 1 at 7:00 AM and 8:00 AM. However, by 9:00 AM, it reaches 3, signaling the start of stronger rays. The peak occurs at 12:00 PM, soaring to a striking 14, and then hitting its maximum of 15 at 1:00 PM. For those out in the sun, this indicates a significant need for sun protection. The index gradually declines in the afternoon, dropping to 12 by 3:00 PM, and further to 5 by 5:00 PM, before returning to a low of 1 by 7:00 PM. This data emphasizes the importance of being sun-smart, particularly during those critical midday hours when the UV intensity 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 | 6 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal fluctuations, with high-risk months typically from February to October. During this period, the UV Index peaks at 15, categorized as extreme, particularly from April to July, necessitating vigilant sun safety measures. In these months, the burn time is only 10 minutes, indicating a critical need for protective measures such as sunscreen, hats, and UV-blocking sunglasses. Conversely, November and December see a decrease in UV exposure, categorized as very high, with a lengthened burn time of 15 minutes in those months. Therefore, both visitors and residents are strongly advised to monitor UV levels regularly and take necessary precautions, especially during the warmer, sunnier months to minimize the risk of skin damage.
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 |
| 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 |
| San Rafael Rio Seco | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |