Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Llano Grande, Mexico, where the Csa climate brings vibrant sun exposure year-round. Being aware of UV levels not only helps in preventing sunburn but also plays a significant role in protecting skin health over time. With peak UV Index values soaring as high as 12 during the hottest hours of the day, it’s essential to arm yourself with knowledge to enjoy the sun safely. Whether you're lounging outdoors or exploring this charming locale, keeping an eye on the UV Index can make a world of difference in your sun-soaked adventures.
From 7:00 AM to 8:00 AM, the UV Index remains low at 1, providing a gentle start to the day. However, as the sun climbs higher, the intensity picks up significantly. By 9:00 AM, it reaches a moderate 3, and by 10:00 AM, it has surged to 6, signaling the need for sun protection. The peak occurs between 12:00 PM and 1:00 PM, with the UV Index hitting a blistering 12, the highest reading of the day. After this zenith, there’s a gradual decline; it drops to 9 by 3:00 PM, and by 6:00 PM, it falls to 2 as the sun begins to set. As the day winds down, UV levels decrease back to 1 by 7:00 PM. This data highlights the critical hours for sun exposure, emphasizing the importance of protective measures during the midday peak.
| 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 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk occurring from March to September. During these months, particularly from April to August when the UV Index reaches extreme levels (13-12), the recommended burn time drops to only 10 minutes. Visitors and residents should take extra precautions during these high-risk months, including wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade when possible. Notably, February and March also present very high levels of UV exposure, with burn times as short as 15 minutes, necessitating awareness even in the early spring. In contrast, winter months like January and December feature a reduced UV Index, although caution is still advised. Overall, prioritizing sun safety is essential, especially during peak months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Llano Grande | 7 | 9 | 10 | 13 | 13 | 12 | 12 | 12 | 12 | 10 | 8 | 6 |
| 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 |