Last updated: June 2, 2025
Understanding the UV Index in San Francisco de Lajas, Mexico, is crucial for ensuring your skin health and preventing sunburn. With a typical climate classified as Csa, residents and visitors alike face varying UV levels throughout the day. From a low of 1 in the early morning to a peak of 13 during midday, awareness of these levels can significantly reduce the risks of overexposure to harmful ultraviolet rays. Being informed about daily UV trends not only helps protect your skin but also encourages safe outdoor activities, making the most of the beautiful Mexican sun while staying safe.
As the day unfolds, the UV Index reaches its peak intensity around midday, starting from a serene 0 at 7 AM and soaring to a staggering 13 by 2 PM. The sun climbs steadily, nudging the index to 7 by 11 AM and hitting the all-important 10 mark at noon, signaling a critical time for sun safety. As the afternoon shifts into evening, values gradually descend to 6 at 5 PM and then taper off to 2 by 7 PM. For those planning outdoor activities, it’s crucial to protect your skin during the midday hours when UV exposure is at its highest. Stay safe and enjoy the sun wisely!
| 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 | 10 | very high | 15 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index varies significantly throughout the year, with its peak occurring from March to October, where values reach 12 to 14 and are classified as extreme. During these months, the burn time is notably short at just 10 minutes, indicating a high risk of skin damage. February to April show particularly elevated risks, with February peaking at 11. Conversely, the winter months of November and December present a reduction in UV exposure, with indices dropping to 9 and 7, allowing for slightly longer burn times of 15 and 25 minutes respectively. Visitors and residents should remain vigilant, especially from March through October, using sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize UV-related health risks.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San Francisco de Lajas | 8 | 11 | 12 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 7 |
| 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 |