Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of San Jose de la Montana, Mexico, where the sunny climate often leads to high UV exposure risks. With peak UV levels reaching 14 from 12:00 PM to 2:00 PM, awareness of these fluctuations can significantly aid in sunburn prevention and overall skin health. By being informed about the local UV Index, everyone can take essential precautions to protect themselves against the sun's harmful effects, ensuring enjoyable outdoor activities while safeguarding their skin. Stay educated and stay safe in this beautiful destination!
The UV Index throughout the day showcased a striking pattern, beginning with a negligible level of 0 at 07:00. As the sun rose, the intensity gradually increased, reaching a modest 1 at 08:00 and climbing to 2 by 09:00. The real surge occurred as the day unfolded, peaking at an intense 14 from 13:00 to 14:00, indicating a high risk of harm from unprotected sun exposure. From this zenith, the index started to decline, dropping to 9 by 16:00 and tapering off to 1 by 19:00. This dynamic progression underscores the importance of sun safety during peak hours, particularly between noon and early afternoon.
| 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal UV changes indicate a significant increase in UV Index values from January to October, peaking at 14 during the months of March through June, categorized as extreme exposure with a burn time of only 10 minutes. Following this peak, UV levels gradually decrease but remain high in the late summer and early fall months, notably staying in the 13 range from July to September, before dropping to 12 in October. November and December see a return to very high levels, with indices of 9 and 8 respectively, allowing for slightly longer burn times of 15 minutes. As a result, it is crucial for both visitors and residents to take precautions during the high-risk months of February through October by wearing appropriate sun protection, seeking shade, and limiting sun exposure, especially during peak hours, to minimize the risk of skin damage.
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 |
| San Jose de la Montana | 9 | 11 | 14 | 14 | 14 | 14 | 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 |