Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in San Jose Llano Cieneguilla, Mexico. With a climate that often sees intense sunlight and a UV index peaking at 14 during midday hours, awareness of UV levels can mean the difference between a fun day outdoors and painful sunburn or long-term skin damage. By keeping an eye on UV exposure, you can take proactive steps to protect your skin, ensuring that your adventures in this beautiful region remain enjoyable and safe. Remember, whether you're exploring the stunning landscapes or soaking in the local culture, awareness of the UV Index helps you enjoy the sun responsibly.
The UV Index shows a striking pattern as the day unfolds, starting from a low of 1 at 07:00 and 08:00. As the sun rises higher, it gains intensity, peaking at 12:00 with a significant 12. The afternoon brings the highest levels, reaching a robust 14 at both 13:00 and 14:00, suggesting it's crucial to take precautions during these hours. The intensity then gradually declines, dwindling to 8 by 16:00, falling to 5 at 17:00, and returning to a mild 1 by 19:00. This data underscores the importance of sun safety in the midday hours, where exposure can be dangerous without protective measures.
| 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 | 6 | high | 25 min |
| 11:00 | 9 | 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 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal fluctuations, peaking from February to September with consistently high levels categorized as extreme. During these months, the UV Index reaches up to 14, with a burn time of just 10 minutes, making it essential for visitors and residents to take precautionary measures, such as applying sunscreen and wearing protective clothing. January and November show a slight decrease, with a very high UV Index of 10, allowing for a longer burn time of 15 minutes. However, even in December and October, the UV Index remains considerable at 9 and 12, respectively. To ensure safety, it is advisable to limit sun exposure during the high-risk months of February through October, particularly between 10 AM and 4 PM, when UV radiation is at its strongest.
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 Llano Cieneguilla | 10 | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 10 | 9 |
| 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 |