Last updated: September 1, 2025
Awareness of the UV Index in Hermenegildo J. Aldana, Mexico is crucial for safeguarding skin health and preventing sunburn. Understanding the daily UV levels can inform residents and visitors alike about the risk associated with their outdoor activities, especially during peak hours when the index soars as high as 13 around noon. With a warm climate categorized under the Am zone, the sun's ultraviolet radiation can be particularly intense, demanding proactive measures to protect against long-term skin damage. By staying informed about the UV Index, you can enjoy the sunny days while keeping your skin safe and healthy!
As the day unfolds, the UV Index reveals a dynamic shift in sun exposure. Early hours see a gentle start, with values of 1 at both 07:00 and 08:00. However, by 09:00, it climbs to 3, signaling an increase in UV intensity. The real peak occurs around midday, where the index soars to a scorching 12 at 12:00 and reaches its zenith with a striking 13 at 13:00 and 14:00—a reminder to seek shade and protect your skin. The intensity gradually wanes, dipping to 10 by 15:00 and then descending to 4 at 17:00, before evening settles in with a gentle 2 at 18:00 and returning to 1 by 19:00. Balancing safety with sun enjoyment is key as the day transitions from peak exposure to the soothing dusk.
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 | 11 | 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 seasonal UV changes reveal that the highest UV Index values occur from March to September, with extreme levels peaking at UV Index 13, requiring only 10 minutes of sun exposure before burns can occur. The high-risk months are primarily from February to October, where the UV Index consistently reaches extreme levels; particularly, April through September pose the greatest risk. Visitors and residents should take precautions during these months by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours to minimize UV exposure and prevent skin damage. In contrast, November to January see lower UV levels categorized as very high, with longer burn times, but caution is still advised.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hermenegildo J. Aldana | 9 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 11 | 9 | 8 |
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 |