Last updated: June 2, 2025
Understanding the UV Index is crucial for the health and well-being of residents and visitors in Atotonilco, Mexico. With its dry climate and strong sun exposure, being aware of the UV levels can significantly aid in sunburn prevention and maintaining overall skin health. Throughout the day, UV levels can spike dramatically, reaching a peak index of 12 around noon, indicating an urgent need for protective measures. By staying informed about the UV Index, you can enjoy the beautiful sunshine while minimizing risks associated with excessive sun exposure.
At dawn, the UV Index starts low at 1 around 07:00, making it a gentle introduction to the day. As the sun rises higher, the intensity increases rapidly, peaking at 12 by 12:00—perfect for sunbathers and outdoor enthusiasts seeking that golden glow. The midday sun commands attention, with values reaching 11 at 11:00 and 13:00, encouraging sun safety precautions. As the afternoon rolls in, the UV Index begins to wane, dropping to 9 at 14:00 and further to 4 by 16:00. By evening, the UV exposure diminishes significantly, settling back to 1 by 19:00, ushering in a gentle dusk. It’s essential to stay informed and safeguard against the sun’s rays, especially during those peak midday hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 7 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV index levels exhibit notable seasonal changes, with the highest risk occurring from April through August, when the UV Index peaks at 12—classified as extreme exposure. During these months, the burn time is critically low at just 10 minutes, emphasizing the importance of protection. February and March also present significant risks with a very high UV Index of 8 and 10 respectively, leading to burn times of 15 minutes. Visitors and residents are strongly advised to take precautions during high-risk months, including using sunscreen, wearing protective clothing, and seeking shade, especially when the sun is at its highest. Conversely, the UV Index decreases significantly in the fall and winter months, reaching a moderate level in December, where a burn time of 30 minutes can be expected.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Atotonilco | 6 | 8 | 10 | 12 | 12 | 12 | 11 | 12 | 11 | 9 | 7 | 5 |
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 |