Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in San Juan de Guadalupe, Mexico, where the sun’s intensity can soar, especially during the peak hours of 11 AM to 3 PM. Awareness of UV levels is essential for effective sunburn prevention and maintaining long-term skin health, as prolonged exposure can lead to serious damage. With a BWh climate typical of the region, sunny days are abundant, leading to heightened risks of UV exposure. Stay informed to protect your skin and enjoy the sun safely!
The UV Index throughout the day presents a striking pattern of escalating intensity. Starting off gently at 1 in the early hours of 07:00 and 08:00, the index begins to rise gradually, hitting 2 by 09:00. A rapid surge follows, peaking at an intense 13 between 13:00 and 14:00. This is the moment when the sun’s rays are most potent, with a risky 11 at 12:00 and a notable 12 by 15:00. As the afternoon begins to wane, the UV index drops, settling back to a manageable 6 by 17:00, and later retreating to 3 and 1 as night falls. Stay safe and protect your skin during the peak hours!
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 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 12 | extreme | 10 min |
16:00 | 9 | 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, the UV Index exhibits notable fluctuations, with the highest levels occurring during the late spring and summer months. February through October marks the period of extreme UV exposure, with March and April reaching a peak UV Index of 14, leading to a burn time of just 10 minutes. The highest risk months are March through July, where prolonged sun exposure can be particularly harmful. Residents and visitors are advised to take precautionary measures during these months, such as wearing protective clothing, applying broad-spectrum sunscreen every two hours, and seeking shade during peak sunlight hours. As the year progresses, precautions should be adjusted accordingly; although burn times increase to 25 minutes in January and December, vigilance remains essential for skin health.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
San Juan de Guadalupe | 7 | 10 | 12 | 14 | 14 | 13 | 14 | 13 | 13 | 11 | 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 |