Last updated: July 2, 2025
In Yalentay (San Joaquin), Mexico, being aware of the UV Index is crucial for safeguarding your skin against harmful sun exposure. With peak UV levels soaring to a significant 15 during midday, understanding these fluctuations helps residents and visitors alike take proactive measures against sunburn and long-term skin damage. Given Yalentay's Cwb climate, characterized by warm temperatures and varying cloud cover, embracing UV Index awareness is essential for enjoying outdoor activities while keeping your skin health in check. Stay informed, stay protected!
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 |
| Yalentay (San Joaquin) | 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 |