Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Chilillos, Mexico, where the sun can be intense. Awareness of UV levels is essential not just for enjoying outdoor activities but also for preventing sunburn and maintaining long-term skin health. Given Chilillos' warm climate, the UV exposure can peak significantly, particularly between late morning and early afternoon, with values soaring to 12 and 13 during these hours. Staying informed about the UV Index can help you protect yourself from harmful rays and enjoy the beautiful sun-soaked days safely.
The UV Index throughout the day showcases a dynamic pattern of sun intensity. At 7:00 AM, the index begins at a modest 1, gradually rising as the sun climbs higher in the sky. By 10:00 AM, it reaches 7, illustrating a marked increase in exposure. The peak occurs at 12:00 PM, hitting a striking 12, making it essential to seek shade or wear protective gear. The intensity remains high at 1:00 PM, reaching 13, before starting to decline after 2:00 PM, dropping to 9 by 3:00 PM. The late afternoon sees further decrease, settling at 3 by 5:00 PM and tapering off to 1 by the evening. Overall, this data underscores the importance of vigilant sun safety during the midday hours when UV exposure is at its most potent.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 12 | extreme | 10 min |
15:00 | 9 | very high | 15 min |
16:00 | 6 | high | 25 min |
17:00 | 3 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels show significant seasonal variations, with highest risks occurring from March to October, where the UV Index reaches extreme levels of 10 to 14 and burn times drop to just 10 minutes. Specifically, April stands out with a peak UV Index of 14, marking it as a crucial month for sun safety. Visitors and residents should take extra precautions during these high-risk months by wearing protective clothing, applying broad-spectrum sunscreen regularly, and seeking shade during peak sun hours. In contrast, January and February are still classified as very high with an Index of 8 and 10 respectively, and while the burn time increases to 15 minutes, vigilance is still advised. As the year progresses into November and December, UV levels decline, making them less hazardous but still requiring some sun protection, particularly in December with a burn time of 25 minutes.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chilillos | 8 | 10 | 12 | 14 | 13 | 13 | 13 | 13 | 12 | 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 |