Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Entronque de Matehuala (El Huizache), Mexico, where the sun can be intensely unforgiving. With a climate characterized by BSh (semi-arid), it’s important to stay informed about UV levels to prevent sunburn and protect skin health. During the peak hours, particularly between 11:00 AM and 2:00 PM, the UV Index can soar to dangerous levels, reaching as high as 14. Being aware of these numbers allows you to take necessary precautions, ensuring enjoyable outdoor activities while keeping your skin safe from UV damage.
As the sun rises, the UV Index starts off gently, peaking at 1 by 08:00. However, as the day progresses, the intensity ramps up significantly. By 10:00, the index reaches 5, but the real heat kicks in at 12:00, soaring to an intense 11. The peak occurs at 14:00, where it hits a blistering 14—a clear signal to seek shade and protect your skin. After this, the index begins to drop, settling at 12 by 15:00 and gradually descending to 3 by 18:00. As twilight approaches, the UV levels ease back to 1 by 19:00, marking a dramatic contrast to the midday sun's peak. Stay vigilant and wear sun protection during these critical 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 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | 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 shows significant seasonal changes, with the highest levels occurring from March to October, indicating a period of extreme exposure risk. Notably, the months of April, May, July, and August exhibit a maximum UV Index of 14, where individuals may burn within just 10 minutes of sun exposure. In contrast, the winter months show a decline, with January and February classified as very high (UV Index of 8 and 10, burn time of 15 minutes), and December indicating a high risk (UV Index of 7, burn time of 25 minutes). To protect themselves, visitors and residents should take precautions such as seeking shade, applying sunscreen, and wearing protective clothing during the high-risk months of March through October, especially during midday when the sun's rays are most intense.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Entronque de Matehuala (El Huizache) | 8 | 10 | 13 | 14 | 14 | 13 | 14 | 14 | 13 | 12 | 9 | 7 |
| 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 |