Last updated: July 2, 2025
In San Juan Sautla, Mexico, awareness of the UV Index is crucial for safeguarding your skin health under the region's Cwb climate, characterized by its warm temperatures and sun exposure. Understanding UV levels helps prevent painful sunburns and long-term skin damage by allowing you to take necessary precautions when the sun is at its peak. With UV Index values soaring as high as 15 between 1 PM and 3 PM, residents and visitors alike must be proactive in protecting themselves against harmful rays during these hours. Stay informed and enjoy the beautiful sun safely!
The UV Index starts low in the morning, with values of 1 at both 07:00 and 08:00. As the day unfolds, it ** climbs steadily**, peaking at a striking 15 during the afternoon hours of 13:00 and 14:00. This indicates an intense level of UV radiation, which necessitates taking precautions against sun exposure. By 15:00, the index begins to dip, indicating a gradual decrease in UV intensity, falling to 5 by 17:00. As evening approaches, the index cools down to 2 at 18:00 and returns to a benign 1 by 19:00. This significant rise and fall highlight the importance of monitoring the UV Index, especially during peak hours when outdoor activities can lead to increased risk of sunburn.
| 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 | 13 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 15 | extreme | 10 min |
| 15:00 | 13 | 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 |
Throughout the year, UV exposure levels vary significantly, with the highest risks occurring from February to October. During these months, the UV Index frequently reaches extreme levels, peaking at 15 in April through July, meaning that a burn can occur in just 10 minutes. It is crucial for visitors and residents to take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen liberally. Notably, January and November see a slightly lower UV Index of 10, categorized as very high, resulting in a burn time of 15 minutes. The least intense UV levels occur in December with an index of 9, but vigilance is still advised. Overall, awareness and proactive sun protection are essential to prevent harmful effects from UV radiation throughout the year.
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 |
| 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 |
| San Juan Sautla | 10 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |