Last updated: May 3, 2025
In Presa de los Serna, Mexico, understanding the UV Index is crucial for protecting your skin against harmful ultraviolet rays. The high UV levels, especially during midday when readings reach a staggering 15, can significantly increase the risk of sunburn and long-term skin damage. This Csa climate region experiences intense sun exposure, making awareness of UV levels essential for outdoor activities. By staying informed and taking necessary precautions, you can enjoy your time in the sun while safeguarding your skin health and preventing unpleasant sunburns.
The daily UV Index chart showcases the sun's intensity as the day unfolds. Starting from a gentle 0 at 7:00 AM, the index gradually climbs, reaching 1 by 8:00 AM. As the morning progresses, it gains momentum, hitting 5 at 10:00 AM. The peak intensity occurs at 12:00 PM with an impressive 12, followed closely by the highest reading of 15 at 2:00 PM, making this the most critical time for sun exposure. As the afternoon turns to evening, the UV Index declines, dropping to 10 by 4:00 PM, and further easing to 1 by 7:00 PM. This data highlights the importance of sun protection, especially during the midday hours when the UV levels are at their highest.
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 | 15 | extreme | 10 min |
15:00 | 13 | extreme | 10 min |
16:00 | 10 | very high | 15 min |
17:00 | 6 | high | 25 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV levels fluctuate significantly, with peak exposure occurring from February to October. March through October is identified as high-risk months, featuring an extreme UV Index consistently at 14 or higher and a minimal burn time of 10 minutes. Conversely, November and December show a decrease to a very high UV Index of 10 and 8, allowing for slightly longer exposure times of 15 minutes. Visitors and residents are strongly advised to take protective measures, especially during the extreme months, such as wearing sunscreen, protective clothing, and sunglasses, and seeking shade during peak daylight hours to minimize 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 |
Presa de los Serna | 9 | 11 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 12 | 10 | 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 |