Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Penamiller, Mexico, where the BSh climate brings warm temperatures and abundant sunshine. With UV levels reaching their peak at 12:00 PM and even climbing to a high of 14 in the afternoon, awareness of these levels can significantly impact your skin health and sunburn prevention. By staying informed about the UV Index, you can make better decisions to protect your skin and enjoy the sunny days that Penamiller has to offer, while minimizing the risk of harmful effects from overexposure.
The UV Index for today paints a clear picture of the sun's intensity throughout the day. Starting off gently, the morning hours from 7:00 AM to 9:00 AM see values at a mild 1 to 2. However, as the clock strikes 10:00 AM, the index skyrockets to 5, signaling a notable rise in UV radiation. By 11:00 AM, the intensity hits 8, peaking dramatically at 12:00 PM with a blistering 12. The afternoon peak occurs between 1:00 PM and 2:00 PM, where it reaches its maximum of 14, urging caution for outdoor enthusiasts. As the sun begins its descent, the index gradually declines to 9 at 4:00 PM and further down to 6 at 5:00 PM. In the evening, the UV exposure wanes, dropping back to a soothing 3 by 6:00 PM and returning to 1 by 7:00 PM. Be sure to protect your skin during those peak hours!
| 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 | 8 | 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 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure fluctuates significantly, with the highest risk occurring from February to October. During these months, particularly from March to July, the UV Index consistently reaches extreme levels of 13 to 14, resulting in a burn time of just 10 minutes. January and November still present high UV levels with indices of 8 and 9, requiring vigilance as burn times are 15 minutes. Conversely, December and October show a decrease in UV intensity, where even the highest readings are manageable with longer burn times of 25 minutes and a UV Index of 12. Visitors and residents should prioritize sun safety during high-risk months by seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the dangers of overexposure.
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 |
| Penamiller | 8 | 11 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 9 | 7 |
| 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 |