Last updated: August 1, 2025
Understanding the UV Index in La Joya, Mexico is crucial for protecting your skin and overall health. With peak UV levels frequently soaring above moderate during the sunny hours, awareness of these ratings can help you prevent painful sunburns and long-term skin damage. La Joya, characterized by its semi-arid climate (BSk), experiences significant UV exposure risks, especially from late morning to early afternoon when indices can reach a striking 14. Staying informed helps you enjoy the beautiful Mexican sun while safeguarding your skin—make UV Index awareness a part of your daily routine!
As the sun rises, the UV Index begins to peak at 08:00 with a mild level of 1, slowly climbing through the morning. By 10:00, it has reached 4, signaling the start of a more intense exposure. The 11:00 mark brings a notable jump to 8, but it isn't until 12:00 that the UV Index hits a striking 11—a reminder to protect your skin! The maximum intensity occurs at 14:00, with the Index soaring to 14, making this the most dangerous time for sun exposure. Fortunately, as the afternoon progresses, values start to decline, dropping to 10 by 16:00 and easing further to 4 by 18:00. As evening approaches, the UV Index returns to a modest level of 2 by 19:00, signaling a safer time to enjoy outdoor activities. Stay safe and consider the UV Index throughout the day!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 13 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index in the region shows significant seasonal variation, with the highest values occurring from February to October, where exposure is categorized as extreme for the majority of this period. March and April register the peak UV Index at 13 and 15, respectively, resulting in a burn time of only 10 minutes, emphasizing the need for caution. High-risk months include February through October, when residents and visitors should prioritize sun safety measures. During January, November, and December, while still presenting a very high UV Index of 8 or 9, the burn time increases to 15 minutes, allowing for slightly more leniency. To protect against skin damage, it is crucial to wear sunscreen, seek shade, and wear protective clothing, especially during the peak hours of sunlight throughout the high-risk 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 |
| La Joya | 8 | 11 | 13 | 15 | 15 | 14 | 14 | 14 | 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 |