Last updated: June 2, 2025
Understanding the UV Index in San Juan Huiluco, Mexico is crucial for protecting your skin and overall health amid the region's sunny climate. With the potential for damaging UV radiation peaking at noon, when levels can reach as high as 14, staying informed about UV levels is essential for preventing sunburn and reducing long-term skin damage. This vibrant locale experiences a primarily warm climate with elevated UV exposure risks, particularly during the midday hours. By keeping an eye on the UV Index, you can make informed choices to enjoy the outdoors safely while safeguarding your skin’s health.
The UV Index showcases a dramatic rise throughout the morning, starting at a mild 1 at 07:00 and 08:00. However, by 10:00, it escalates to 6, signaling the need for protection against the sun. The peak occurs at 13:00 with a soaring 14, suggesting it’s crucial to seek shade and apply sunscreen. As the afternoon progresses, the UV Index gradually declines, dropping to 5 by 17:00 before settling back to 1 by 19:00. This pattern highlights the importance of being sun-safe during the midday hours when UV exposure is at its highest.
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 | 6 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 14 | extreme | 10 min |
15:00 | 12 | extreme | 10 min |
16:00 | 9 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV Index readings exhibit significant seasonal variation, with the highest levels occurring from March to September where the index consistently reaches 14 and is classified as extreme. January and November present very high indices of 10, with a burn time of 15 minutes, while December features a slightly lower index of 9. Visitors and residents are particularly at risk during the months of February through October, where the burn time drastically shortens to just 10 minutes due to the extreme UV exposure. It is essential for individuals to take proactive measures during these high-risk months by wearing protective clothing, applying sunscreen, and seeking shade to reduce 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 |
San Juan Huiluco | 10 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 9 |
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 |