Last updated: May 3, 2025
Understanding the UV Index in Cano de San Isidro, Mexico, is crucial for safeguarding your skin health against harmful ultraviolet rays. Awareness of UV levels is essential not only for preventing painful sunburns but also for reducing the long-term risks of skin damage. With a climate characterized by hot semi-arid conditions, residents and visitors alike should be mindful of the significant UV exposure throughout the day, especially during peak hours when values can reach as high as 15 between 1 PM and 2 PM. By staying informed about the UV Index, you can enjoy the outdoors safely while protecting your skin from potential harm.
As the day unfolds, the UV Index rises sharply, reflecting the sun's increasing intensity. Starting off gently at 1 from 7:00 AM to 8:00 AM, it climbs to a moderate 3 by 9:00 AM. The real heat kicks in around 10:00 AM, with the index reaching 5. By 11:00 AM, it sizzles at 9, peaking dramatically at 12:00 PM with a blistering 13. From 1:00 PM to 2:00 PM, the UV Index hits its zenith at 15, making it imperative to seek shade and apply sunscreen. The intensity gradually tapers off, dropping to 9 by 4:00 PM, 6 by 5:00 PM, and finally settling back to 1 by 7:00 PM. This midday sun offers a vivid reminder of the importance of sun safety as the hours glide by.
| 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 | 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 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, peaking during the months of March to October, where values consistently reach a high level of 14 or 15, classified as extreme exposure. Notably, February to May sees the most critical UV levels, with March and April recording the highest at 14 and 15 respectively, leading to a rapid burn time of just 10 minutes. As we transition into winter, months like November and December show a decline, but values remain elevated with UV indices of 9 and 8, resulting in very high exposure and burn times of 15 minutes. Visitors and residents are strongly advised to take precautions, especially from February through October, by wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize 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 |
| Cano de San Isidro | 9 | 11 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 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 |