Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Navenchauc, Mexico, as it provides vital information about the sun's intensity and its potential impacts on health. With the region's Cwb climate, which features a mix of mild temperatures and significant sun exposure, awareness of UV levels becomes essential for sunburn prevention and maintaining skin health. During peak hours, especially between 11 AM and 2 PM, the UV Index can soar to dangerous levels, reaching up to 15—making it imperative to take protective measures. Stay informed and enjoy the beautiful sunshine safely!
As the day unfolds, the UV Index climbs steadily, peaking at 15 between 1:00 PM and 2:00 PM, indicating a very high risk of harm from unprotected sun exposure. Early in the morning, from 7:00 AM to 9:00 AM, the index remains low, only reaching a maximum of 3 by 9:00 AM. However, by 10:00 AM, it skyrockets to 7, setting the stage for the impending intensity. The UV levels reach their highest at 12:00 PM with a staggering 13 before slightly tapering off in the afternoon. As the sun begins its descent, the index drops to 8 by 4:00 PM, then falls further to 4 at 5:00 PM. By evening, it is safe once more, dwindling to 2 at 6:00 PM and finally returning to a comfortable 1 by 7:00 PM. Be sure to embrace sun safety during those peak hours!
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels vary significantly, with the highest risks occurring from February to October. During these months, the UV Index frequently reaches extreme levels, peaking at 15 in April through July, meaning that a burn can occur in just 10 minutes. It is crucial for visitors and residents to take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen liberally. Notably, January and November see a slightly lower UV Index of 10, categorized as very high, resulting in a burn time of 15 minutes. The least intense UV levels occur in December with an index of 9, but vigilance is still advised. Overall, awareness and proactive sun protection are essential to prevent harmful effects from UV radiation throughout the year.
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 |
| Navenchauc | 10 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |