Last updated: May 3, 2025
In Lagunillas de Rayon (Alchichica), Mexico, understanding the UV Index is essential for safeguarding your skin and overall health. With high readings, especially between 11:00 AM and 3:00 PM—when the index peaks at 13—awareness of ultraviolet (UV) levels can greatly reduce the risk of sunburn and long-term skin damage. The region’s Aw climate offers a unique blend of sun exposure, making it crucial for residents and visitors alike to take preventive measures. By staying informed about the UV Index, you can enjoy the beautiful outdoors of Lagunillas de Rayon while protecting your skin from harmful effects.
The UV index shows a dramatic rise throughout the morning and into the early afternoon, reaching its peak at 1 PM with a staggering value of 13. Starting the day low at 1 in the early hours, the index quickly escalates, hitting 9 by 11 AM, and then soaring to a blistering 12 at noon. As the sun continues to shine brightly, it maintains a high level of intensity of 13 between 1 PM and 2 PM. However, as the day progresses, the UV index begins to decline, dropping to 4 by 5 PM, before gently waning to 1 as twilight approaches. If you're planning outdoor activities, be sure to protect yourself during those peak hours!
| 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 | 13 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal changes in UV exposure highlight critical periods for residents and visitors. From January to December, the UV Index fluctuates, peaking between March and June with values reaching up to 14, categorized as extreme. This indicates a burn time of just 10 minutes, urging individuals to exercise caution during these months. February through October remains high-risk, particularly with levels at 11 or higher. To ensure safety, it is advisable to wear protective clothing, apply SPF sunscreen frequently, and seek shade during peak sunlight hours, especially from spring through summer. In contrast, November and December experience a slight reduction, with UV Index scores of 9 and 8 categorizing them as very high but still warranting protective measures.
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 |
| Lagunillas de Rayon (Alchichica) | 9 | 11 | 13 | 14 | 13 | 14 | 14 | 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 |