Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of San Agustin Ahuahuetla, Mexico, where the climate—classified as Cwa—brings both delightful sunshine and significant UV exposure risks. Awareness of UV levels not only helps in preventing sunburn but is essential for maintaining long-term skin health. With peak UV readings reaching as high as 14 between noon and early afternoon, it’s vital to monitor these levels and take appropriate precautions to protect yourself from harmful rays during the sunniest hours.
The UV Index throughout the day showcases a notable rise, peaking dramatically at 14 between 12:00 PM and 1:00 PM. Early morning starts off mild, with values of 1 at 7:00 AM and 8:00 AM, gradually increasing to 2 by 9:00 AM. As the sun ascends, the intensity intensifies, hitting 5 by 10:00 AM and surging to 9 by 11:00 AM. By midday, the index reaches a scorching 12, a clear warning to take precautions. As the afternoon progresses, it maintains high levels at 14 until 2:00 PM, before tapering off to 12 at 3:00 PM, then retreating to 9 at 4:00 PM. Finally, the UV Index descends to 3 by 6:00 PM, and concludes the day at a safe 1 by 7:00 PM. Remember, during peak hours, it's crucial to shield your skin from harmful UV rays!
| 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 |
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 |
| San Agustin Ahuahuetla | 10 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 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 |