Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Palmillas de San Juan, Mexico, where the climate is characterized as BSh, leading to intense sun exposure, especially during the peak hours of the day. With UV levels soaring to a staggering 15 around midday, awareness of these levels is essential for preventing sunburn and safeguarding skin health. By monitoring the UV Index, you can protect yourself from harmful radiation, ensuring that your time spent in this beautiful locale remains safe and enjoyable. Stay informed and embrace the sunshine responsibly!
As the sun rises, the UV Index starts at a mild 1 at 7:00 AM, urging early risers to enjoy the gentle rays. By 9:00 AM, it climbs to 2, inviting a leisurely morning outside. However, by 10:00 AM, the intensity spikes to 5, signaling a need for sun protection. The afternoon takes center stage, with the index peaking at a blistering 15 between 1:00 PM and 2:00 PM—the time for serious sun safety measures! As we move into the late afternoon, the UVI gradually declines; it drops to 9 by 4:00 PM and continues to fall to 3 at 6:00 PM. As dusk approaches, the index settles back to 1, offering a gentle reminder of the sun's powerful presence throughout the day.
| 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 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 15 | extreme | 10 min |
| 15:00 | 13 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal fluctuations, with the highest levels occurring from March to October, representing the peak exposure periods. February through September are particularly high-risk months, characterized by an extreme exposure category and a dangerously low burn time of just 10 minutes. Visitors and residents should take extra precautions during these months, prioritizing sun protection strategies like wearing broad-spectrum sunscreen, hats, and UV-protective clothing. While January, November, and December still retain very high intensity, they allow for slightly longer burn times of 15 minutes, but caution is still advised. Overall, vigilance against UV exposure is crucial year-round, especially during the peak months.
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 |
| Palmillas de San Juan | 9 | 11 | 14 | 14 | 15 | 14 | 14 | 13 | 14 | 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 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |