Last updated: July 2, 2025
In San Antonio Coyahuacan, Mexico, being aware of the UV Index is crucial for protecting your skin and overall health. The intensity of UV radiation can vary dramatically throughout the day, peaking at midday when levels soar to a high of 14, posing significant risks for sunburn and long-term skin damage. Understanding these UV levels helps you take proactive steps to safeguard yourself, especially in this Aw climate zone where sunny days are the norm. By being mindful of when the sun's rays are most potent, you can enjoy the vibrant outdoor lifestyle of San Antonio Coyahuacan while minimizing the dangers of excessive sun exposure.
The UV Index for today tells a compelling story of sun intensity as the hours unfold. Starting at a mild 0 at 07:00, the index rises steadily to 1 by 08:00. As the clock strikes 09:00, it climbs further to 2, but it's between 10:00 and 14:00 that we see its peak, reaching a sizzling 14 at both 13:00 and 14:00. After this zenith, the intensity begins to wane, dropping to 13 at 15:00 and easing to 9 by 16:00. As evening approaches, the index retreats to 5 at 17:00, then 3 at 18:00, and finally settles at 1 by 19:00. This pattern highlights the importance of sun protection during peak hours, especially around noon when the UV is at its strongest. Stay safe and enjoy the sunshine!
| 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 | 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 | 13 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index readings exhibit significant seasonal variation, with the highest levels occurring from March to September where the index consistently reaches 14 and is classified as extreme. January and November present very high indices of 10, with a burn time of 15 minutes, while December features a slightly lower index of 9. Visitors and residents are particularly at risk during the months of February through October, where the burn time drastically shortens to just 10 minutes due to the extreme UV exposure. It is essential for individuals to take proactive measures during these high-risk months by wearing protective clothing, applying sunscreen, and seeking shade to reduce 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 |
| 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 |
| San Antonio Coyahuacan | 10 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 9 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |