Last updated: August 1, 2025
Understanding the UV Index is essential for residents and visitors in Tepuzhuacan, Mexico, where the climate is characterized by warm, humid summers and dry winters. As UV levels can soar to a maximum of 13 around midday, awareness is key to protecting your skin from harmful sun exposure and preventing painful sunburns. By monitoring the UV Index, you can make informed decisions about outdoor activities, seeking shade or wearing protective clothing during peak hours. With the typical risks associated with UV exposure in this vibrant region, staying informed is not just a guideline—it's vital for maintaining your long-term skin health.
The UV Index today showcases a dramatic rise in sun exposure as the day progresses. Starting at 7:00 AM with a mild value of 1, the index climbs steadily to reach 4 by 9:00 AM. However, it's around 11:00 AM that the UV radiation peaks at 10, escalating further to a maximum of 12 at noon. The sun’s intensity continues to be fierce, reaching a high of 13 by 1:00 PM before gradually tapering off. From 2:00 PM, the index starts its descent, hovering at 12 and then dropping to 9 by 3:00 PM. As the afternoon transitions into evening, the UV levels diminish significantly, resting at 1 by 7:00 PM. For anyone spending time outdoors, taking precautions during the peak hours is crucial to ensure safety from harmful UV rays.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 12 | 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 particularly high levels from February to October. The highest risk months are March through June, where the UV Index reaches extreme levels of 13 to 14, resulting in a burn time of just 10 minutes. During these months, it is crucial for visitors and residents to take precautions against UV exposure by wearing protective clothing, using sunscreen, and seeking shade during peak sunlight hours. The risk decreases in November and December, with UV levels falling back to very high and high categories, allowing for longer exposure times of 15 to 25 minutes before burning occurs. Overall, awareness and proactive measures during high-risk months are essential to ensure skin safety throughout the changing seasons.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Tepuzhuacan | 8 | 11 | 13 | 14 | 14 | 14 | 13 | 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 |