Last updated: June 2, 2025
In Holactun, Mexico, being aware of the UV Index is crucial for protecting your skin from harmful solar radiation. Understanding UV levels not only helps in preventing painful sunburns but also plays a vital role in maintaining long-term skin health. With a climate characterized by high sun exposure typical of the Aw zone, residents and visitors alike must be mindful of the risks posed by elevated UV readings, especially during peak hours around noon when levels soar to a staggering UV Index of 13. Stay informed and take proactive steps to safeguard yourself against the sun’s rays!
The UV Index for today reveals a striking pattern of sun intensity throughout the day. Starting at 7:00 AM, the index is a modest 1, but as the sun rises, so does the intensity—by 10:00 AM, it skyrockets to 7. The peak arrives at noon and 1:00 PM with a blistering 13, indicating a crucial time to protect your skin. As the afternoon progresses, from 2:00 PM to 3:00 PM, the index remains high but begins to taper off, dropping to 9 by 3:00 PM. The gentle decline continues into the evening, with UV levels plummeting to 1 by 6:00 PM and holding steady until sunset. Be mindful of the midday sun—it’s when the rays are most potent and protection is essential.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, with the highest risk months typically occurring from March to October. During this period, the UV Index reaches extreme levels, particularly peaking at 13 from March to July. This translates to a dangerously short burn time of just 10 minutes for unprotected skin. February also sees a high UV Index of 10, while January stands at 8, indicating very high exposure levels. As we transition towards the end of the year, November and December mark a decline, with indices of 8 and 7 respectively, accompanied by longer burn times of 15 to 25 minutes. Given these insights, it is crucial for visitors and residents to prioritize sun protection during the high-risk months, particularly from March to October, by wearing sunscreen, protective clothing, and seeking shade to reduce the risk of harmful UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Holactun | 8 | 10 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 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 |