Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Caleras de Ameche, Mexico, especially given the region’s Cwb climate, which brings a unique blend of temperate conditions and significant sun exposure risks. With peak UV levels soaring as high as 15 during midday, awareness of these readings is essential for preventing sunburn and protecting long-term skin health. By staying informed about UV levels, you can make informed choices about sun safety, ensuring you enjoy the beautiful outdoors while keeping your skin safe from harmful radiation.
The UV Index follows a striking pattern throughout the day, beginning gently in the morning. At 7:00 AM, the index is at a low 1, gradually rising to 2 by 9:00 AM. The real surge happens as the sun climbs higher; by 10:00 AM, the index shoots up to 5, and by 11:00 AM, it reaches a robust 9. The peak intensity occurs between 12:00 PM and 2:00 PM, with a scorching 15 at both 13:00 PM and 14:00 PM. As the afternoon wanes, the index begins its descent—down to 9 at 4:00 PM, then gradually falling to 1 by 7:00 PM. This data highlights the importance of sun protection during peak hours, especially from 12:00 PM to 2:00 PM, 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 | 2 | low | 45 min |
10:00 | 5 | moderate | 30 min |
11:00 | 9 | very high | 15 min |
12:00 | 13 | extreme | 10 min |
13:00 | 15 | extreme | 10 min |
14:00 | 15 | extreme | 10 min |
15:00 | 13 | extreme | 10 min |
16:00 | 9 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, with the highest values occurring between February and September. During these months, particularly from March to May, the index reaches extreme levels, peaking at 15 in May. January, November, and December show relatively high UV readings, with a "very high" exposure category, but the risk of sunburn is notably lower, allowing for 15 minutes of safe exposure. Visitors and residents are strongly advised to take precautions during high-risk months by seeking shade, wearing protective clothing, and applying sunscreen every two hours to minimize the risk of skin damage. Stay vigilant, as even short exposure times can be harmful during peak UV periods.
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 |
Caleras de Ameche | 9 | 11 | 14 | 14 | 15 | 14 | 13 | 13 | 14 | 12 | 10 | 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 |