Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of El Triunfo, Mexico, where the sun’s potent rays can pose significant risks. With a climate characterized as BWh, this vibrant town experiences high UV levels, particularly during midday when readings peak at a striking 12. Being aware of these levels helps in sunburn prevention and supports long-term skin health, allowing individuals to enjoy outdoor activities without compromising their well-being. From early morning to late afternoon, El Triunfo's UV exposure can vary dramatically, making it vital to monitor these changes and protect yourself against harmful effects.
The UV Index throughout the day exhibits a striking pattern, peaking at an intense 12 between 12:00 PM and 1:00 PM, marking it as a crucial time for sun protection. As the sun rises, the index climbs steadily from a mild 1 at 7:00 AM to a moderate 3 by 8:00 AM. It reaches 6 by 9:00 AM and escalates further to 8 at 10:00 AM. The midday sun asserts its strength with a 11 at 11:00 AM before hitting the maximum at 12. Following this peak, the UV Index begins its gradual decline, dropping to 10 at 2:00 PM, then falling to 7 by 3:00 PM. The later hours see a further reduction, with values slipping to 5 by 4:00 PM and tapering off to 1 again by 6:00 PM. Stay sun-safe during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with higher levels typically occurring between February and September. During this period, the UV Index peaks at 12, indicating an extreme exposure category from April to August, with a burn time of just 10 minutes. February and March also pose a risk, with indices of 8 and 10, respectively. The high-risk months for sunburn are therefore April through September, requiring caution. Visitors and residents should take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak sun hours. In contrast, January, November, and December see moderate to high UV levels, allowing for longer burn times, but still warranting regular sun protection. Staying informed and proactive can help everyone enjoy the outdoors safely.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| El Triunfo | 5 | 8 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 6 | 5 |
| 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 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |