Last updated: July 2, 2025
In San Francisco del Progreso, Mexico, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels can play a vital role in preventing sunburn and protecting against long-term skin damage. Located in a BSh climate zone, this charming town experiences high UV exposure, particularly between 11 AM and 3 PM, when the index peaks at a staggering 13. With such intense sunlight, it's essential for residents and visitors alike to stay informed and take necessary precautions to enjoy the warm climate safely.
Starting the day gently, the UV Index remains low at 1 during the early hours of 07:00 and 08:00. As the sun climbs higher, it peaks sharply at 11:00 with a UV Index of 8, hitting its zenith at 12:00 with a dazzling 11. The intensity escalates further, reaching an eye-watering 13 by 13:00 and again at 14:00. Following this midday surge, the index gradually declines, tapering off to 12 at 15:00, then dropping to 9 by 16:00. As the day winds down, UV levels soften, falling to 3 at 18:00 and sinking back to 1 at 19:00, making it a gentle close to a sun-soaked day. It’s essential to stay protected 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 | 4 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index reflects significant seasonal changes, with the highest levels occurring from March to October. This period marks the high-risk months for UV exposure, particularly from April to September where the index remains consistently at 13 or higher in the extreme category, resulting in a burn time of just 10 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying sunscreen frequently, and seeking shade during peak hours. As the year progresses, February also poses a very high risk with an index of 10, while November and December see a decrease, yet still remain in the high category. Adapting to these UV conditions is crucial for health and safety.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San Francisco del Progreso | 7 | 10 | 12 | 13 | 14 | 13 | 13 | 13 | 13 | 11 | 8 | 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 |