Last updated: July 2, 2025
Staying aware of the UV Index is crucial for the residents of Nuevo Casas Grandes, Mexico, where the sun’s rays can be intense, especially in the summer months. Understanding UV levels is vital not only for preventing painful sunburns but also for maintaining long-term skin health. With a BSk climate characterized by dry, sunny conditions, locals face exposure risks that peak during the midday hours, showing a maximum UV Index of 13 at 1 PM. By keeping an eye on these levels, you can enjoy the beautiful sunshine while protecting your skin from harmful effects.
The UV Index for today presents a dynamic picture of sun intensity throughout the hours. Starting off gently, it peaks at 1 at 07:00, gradually climbing to a moderate 2 by 08:00. The sun makes its presence felt, reaching 4 at 09:00 and 6 by 10:00. *As noon approaches, the UV Index escalates to a striking 12, hitting its zenith at *1 PM with a scorching 13. As the day progresses, there's a slight decline, dropping to 12 at 2 PM, followed by a decrease to 10 by 3 PM. The intensity subsides further to 7 at 4 PM, gently tapering off to 4 at 5 PM, before descending back to 2 at 6 PM, and finally slipping to 1 as the sun sets at 7 PM. It's a day to embrace the sun while practicing sun safety during those peak hours!
| 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 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, peaking during the summer months. The highest risk occurs from April to August, when the index reaches 13, classified as extreme, with a burn time of only 10 minutes. February and March also present high risks, with indices of 8 and 10 respectively. Visitors and residents are advised to take precautions, especially during the high-risk months of April to August, by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. In contrast, December through January sees lower indices, making it a safer period for outdoor activities, but awareness remains essential year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nuevo Casas Grandes | 6 | 8 | 10 | 13 | 13 | 13 | 13 | 12 | 12 | 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 |