Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Santiago Chilixtlahuaca, Mexico, where the sun’s rays can pose significant risks, particularly during the hottest hours of the day. With a climate characterized as Cwb—a temperate zone with notable UV exposure—it's essential to be aware of daily UV levels to prevent sunburn and maintain skin health. As the UV Index can peak at a hazardous 14 around noon, knowing when to seek shade and apply sunscreen is vital for safeguarding your skin. Stay informed and enjoy the sun safely!
Throughout the day, the UV Index displays a striking ascent, peaking at an impressive 14 between 1:00 PM and 2:00 PM. Starting from a low of 1 at 7:00 AM and 8:00 AM, the intensity gradually rises, reaching a moderate 3 by 9:00 AM. As the sun climbs higher, the index skyrockets, hitting 9 at 11:00 AM, and then ascending to its apex of 13 just before noon. By 1:00 PM, with the sun fully overhead, it maxes out at 14, before a gradual decline sets in. The afternoon sees a decrease to 12 by 3:00 PM, then slipping to 5 by 5:00 PM. As the day winds down, the UV Index returns to a manageable 2 by 6:00 PM, finally settling back at 1 by 7:00 PM. This variation highlights the importance of sun safety as midday approaches!
| 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 | 9 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 14 | 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 |
The UV Index exhibits significant seasonal variations, with the highest levels occurring from February to October, where the exposure category is classified as extreme for most of the months. March, April, July, and August have peak UV Index values of 14-15, corresponding to a rapid burn time of just 10 minutes. Consequently, February through October are considered high-risk months for UV exposure, making it essential for visitors and residents to take precautionary measures. It is advisable to wear sunscreen with high SPF, seek shade during peak sun hours, and wear protective clothing to mitigate the risks of overexposure. As November and December approach, the UV levels drop to 10 and 9, respectively, categorizing them as very high, but with longer burn times of 15 minutes. Staying informed and protected year-round is vital for skin health.
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 |
| Santiago Chilixtlahuaca | 10 | 12 | 14 | 15 | 14 | 14 | 15 | 14 | 14 | 12 | 10 | 9 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |