Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Santiago Ixtlahuaca, Mexico, where the climate features high levels of ultraviolet radiation, particularly during the midday hours. Awareness of UV levels is essential for preventing sunburn and maintaining long-term skin health, especially considering the peak index can reach a significant 15 around midday. By recognizing these risks, you can take proactive steps to protect your skin from overexposure, ensuring that your outdoor activities remain safe and enjoyable despite the hot, dry climate typical of this BSk zone. Stay informed and shield yourself effectively from the sun's harmful rays!
The UV Index throughout the day reveals a notable increase in solar intensity, peaking at 14:00 with a maximum value of 15. Starting off at a mild 1 between 07:00 and 08:00, the index gradually rises, hitting 9 by 11:00. A striking surge occurs as it reaches 12 at 12:00, and then climbs to its highest point of 14 by 13:00. As the afternoon progresses, the intensity slightly declines to 13 at 15:00, followed by a more significant drop to 6 by 17:00. The UV levels decrease further to 3 at 18:00, and finally settle back to 1 by 19:00. This data emphasizes the importance of sun protection during the peak hours when UV exposure can be most harmful.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 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 | 15 | 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 |
Throughout the year, UV index levels exhibit significant seasonal variation, peaking between March and July, where values reach an extreme level of 14 to 15. The months of February to October are particularly high-risk for UV exposure, with March, April, May, July, and August consistently maintaining an index of 14 to 15, demanding only 10 minutes of sun exposure before burn occurs. Conversely, December and January show a decrease in UV levels, categorized as very high, with longer burn times of 15 minutes. Visitors and residents should take precautions during the high-risk months by seeking shade, wearing protective clothing, and applying sunscreen to minimize skin damage from 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 |
| Santiago Ixtlahuaca | 9 | 11 | 14 | 14 | 15 | 14 | 15 | 14 | 14 | 12 | 10 | 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 |