Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of La Blanca (Chihuahua), where the sun's rays can be particularly intense. With a climate classified as BSk—a semi-arid region—this area experiences significant UV exposure, especially during peak hours. Being aware of UV levels can help prevent sunburn and protect skin health, reducing the risk of long-term damage. For instance, from late morning to early afternoon, the UV Index can soar to levels as high as 14, underscoring the importance of sun safety in this beautiful Mexican locale. Stay informed and enjoy the sun responsibly!
As the sun rises, the UV Index starts low, peaking at 1 during the early hours of 7:00 AM and 8:00 AM. However, by 10:00 AM, there’s a notable surge, with the index climbing to 5. The real intensity arrives around 12:00 PM, where it hits an impressive 12, followed by a peak of 14 at both 1:00 PM and 2:00 PM. As the afternoon progresses, the index begins its descent, dropping to 10 by 4:00 PM and further declining to 6 at 5:00 PM. Finally, as the sun sets, the UV Index wanes back to 1 by 7:00 PM, signaling a day of strong sun exposure that necessitated precautions during the peak hours.
| 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 | 13 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with high-risk months spanning from February to October. During this period, the UV Index reaches extreme levels, peaking at 15 in April and May. Notably, March to October maintains an extreme exposure category where the burn time is as short as 10 minutes. The highest risk for sunburn occurs in early months like February (UV Index 11) and peaks from March to May, where visitors and residents should exercise extreme caution. In contrast, November and December present lower UV Index values categorized as very high (9-10), allowing for slightly longer safe exposure times (15 minutes). To minimize skin damage and health risks, it is advised for individuals to seek shade, wear protective clothing, and apply sunscreen, especially during the peak UV hours from late morning to early afternoon.
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 |
| Iztapalapa UVI | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |
| La Blanca (Chihuahua) | 9 | 11 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 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 |