Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of San Pedro Petlacala, Mexico. With its warm Aw climate, this vibrant locale can expose individuals to varying UV levels throughout the day, reaching a peak of 14 during midday hours. By being aware of these UV levels, you can effectively prevent sunburn and protect your skin health while enjoying the sun. As the UV index fluctuates from a mild 1 in the early morning to a blistering 12 at noon, it's essential to stay informed to safeguard your well-being under the dazzling Mexican sun.
The UV Index today follows a striking pattern, peaking dramatically through the midday sun. Starting off gently at 1 during the early hours of 07:00 and 08:00, the index climbs steadily, reaching a moderate 3 by 09:00. As the day progresses, anticipation builds, leading to a notable surge at 10:00 with a peak of 5. However, it's 11:00 to 14:00 where the sun truly asserts itself, with the UV Index soaring to 9 at 11:00, hitting an impressive 12 at 12:00, and reaching its apex at 14:00 with 14. The intensity begins to decline post-noon, slipping to 12 at 15:00, 9 at 16:00, and tapering off to 2 by 18:00, before returning to a safe 1 by 19:00. Stay protected during those peak hours when the sun's rays can be particularly harsh!
| 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 | 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 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | 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 readings exhibit significant seasonal variation, with the highest levels occurring from March to September where the index consistently reaches 14 and is classified as extreme. January and November present very high indices of 10, with a burn time of 15 minutes, while December features a slightly lower index of 9. Visitors and residents are particularly at risk during the months of February through October, where the burn time drastically shortens to just 10 minutes due to the extreme UV exposure. It is essential for individuals to take proactive measures during these high-risk months by wearing protective clothing, applying sunscreen, and seeking shade to reduce 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 |
| San Pedro Petlacala | 10 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 9 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |