Last updated: May 3, 2025
In San Isidro el Berro, Mexico, being aware of the UV Index is essential for safeguarding your skin and overall health. Understanding the UV levels can help you take vital steps to prevent sunburn and long-term skin damage. San Isidro el Berro's Cfb climate features moderate to high UV exposure throughout the day, particularly peaking at 2 PM with an index of 15. This highlights the importance of being informed about UV risks, allowing residents and visitors to enjoy the sunny days while protecting their skin from harmful rays.
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 Isidro el Berro | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |