Last updated: July 2, 2025
Understanding the UV Index in San Juan Ahuehueco, Mexico, is crucial for protecting your skin and maintaining overall health. With the region's Cfa climate, the sun can be particularly intense, especially during midday when UV levels peak at 14, signifying a high risk of harm from unprotected sun exposure. By being aware of UV levels, you can take proactive steps to prevent sunburn and long-term skin damage, ensuring you enjoy the sunny days while staying safe. With morning values starting low and climbing rapidly, it's essential to monitor the UV Index daily and adapt your sun protection strategies accordingly.
The UV Index for the day showcases a dramatic rise in intensity as the sun climbs higher in the sky. Starting from a mild 1 at 07:00 and 08:00, the readings gradually increase, reaching a moderate 2 by 09:00. The real jump occurs between 10:00 and 13:00, where it surges to a peak of 14 at both 13:00 and 14:00, emphasizing the need for sun protection during these hours. As the afternoon progresses, the index begins to taper off, measuring 12 at 15:00, then dropping significantly to 5 by 17:00. Finally, the UV Index returns to a safe 1 by 19:00, reminding us how crucial it is to stay vigilant during peak sunlight!
| 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | 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 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal changes, peaking during the warmer months. Starting in January with a UV Index of 8 categorized as very high, the risk escalates rapidly through March and April, reaching an extreme UV Index of 14 in July. The high-risk months are primarily from March to October, where the exposure category remains at extreme, with a quick burn time of just 10 minutes. November and December see a slight decrease in UV intensity, but caution is still advised due to very high exposure levels, particularly in November. Visitors and residents are strongly advised to use sun protection measures, such as sunscreen and protective clothing, during these peak months and limit sun exposure to maintain skin health.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San Juan Ahuehueco | 8 | 10 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 9 | 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 |