Last updated: August 1, 2025
In Altata, Mexico, staying informed about the UV Index is crucial for protecting your skin and overall health under the vibrant sun. The UV levels significantly fluctuate throughout the day, reaching a peak of 12 around midday, which can lead to severe sunburn and long-term skin damage if not managed properly. With Altata's warm, sunny climate, understanding these risks is essential for both residents and visitors. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while ensuring your skin remains healthy and protected from harmful rays.
As the sun rises, the UV Index begins at a mild 1 at 07:00, remaining steady through the early hours. However, by 09:00, it climbs to 3, signaling the start of stronger rays. The peak intensity strikes at 12:00, reaching an intense 11, followed closely by a maximum of 12 at 13:00 and 14:00, urging outdoor enthusiasts to take precautions. As the afternoon wanes, the index gradually decreases from 10 at 15:00 to a more manageable 4 by 17:00, and finally recedes to 2 at 18:00 before settling back at 1 as dusk approaches. It's a day that underscores the importance of sun safety, especially during its mid-day zenith!
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 | 11 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 12 | extreme | 10 min |
15:00 | 10 | very high | 15 min |
16:00 | 7 | high | 25 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV exposure fluctuates significantly, with peak levels occurring from February to August. The high-risk months are March, April, May, August, and September, where the UV Index reaches extremes of 12-13. During these periods, the recommended burn times decrease sharply to just 10 minutes, underscoring the need for caution. Visitors and residents are advised to take protective measures, including wearing sunscreen, hats, and sunglasses, especially during midday hours when the sun is the strongest. As the UV Index diminishes in the fall and winter months, particularly in November and December with indices dropping to 6-8, individuals can still experience elevated risks and should remain vigilant, particularly on sunny days.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Altata | 7 | 9 | 10 | 12 | 13 | 12 | 12 | 13 | 12 | 10 | 8 | 6 |
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 |