Last updated: June 2, 2025
In Puentecillas (Tercera Manzana de Zirahuato), understanding the UV Index is crucial for protecting your skin and overall health. With peaks reaching a high of 14 during midday hours, the potential for sunburn and long-term skin damage is significant if precautions aren't taken. In this Cwb climate zone, where sunny days are common, being aware of the daily UV levels can empower you to enjoy the outdoors safely. Knowing when to seek shade or apply sunscreen can make all the difference in maintaining healthy skin while soaking up the beautiful Mexican sun.
The UV Index throughout the day showcases a notable rise, peaking dramatically at 14 between 12:00 PM and 1:00 PM. Early morning starts off mild, with values of 1 at 7:00 AM and 8:00 AM, gradually increasing to 2 by 9:00 AM. As the sun ascends, the intensity intensifies, hitting 5 by 10:00 AM and surging to 9 by 11:00 AM. By midday, the index reaches a scorching 12, a clear warning to take precautions. As the afternoon progresses, it maintains high levels at 14 until 2:00 PM, before tapering off to 12 at 3:00 PM, then retreating to 9 at 4:00 PM. Finally, the UV Index descends to 3 by 6:00 PM, and concludes the day at a safe 1 by 7:00 PM. Remember, during peak hours, it's crucial to shield your skin from harmful UV rays!
| 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 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | 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 |
During the year, the UV Index shows notable seasonal changes, with highest UV levels occurring from February through October. The months of March, April, May, June, July, August, and September consistently fall within the extreme exposure category, peaking at 15 in April. Visitors and residents should be particularly cautious during these high-risk months, as the burn time is as little as 10 minutes during this period. It is advised to take protective measures, such as wearing sunscreen, protective clothing, and hats, and seeking shade during peak hours to minimize the risk of sunburn. In contrast, November and December see a decrease in UV levels, categorized as very high, with a burn time of 15 minutes, suggesting a slight but essential drop in overall sun exposure risk as the year comes to a close.
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 |
| Puentecillas (Tercera Manzana de Zirahuato) | 10 | 11 | 14 | 15 | 14 | 14 | 13 | 14 | 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 |