Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents and visitors of Los Zacatones, Mexico, where sun exposure can be intense. With a semi-arid climate (BSk), this region sees significant variations in UV levels throughout the day. Being aware of the UV index not only helps in preventing sunburn but also plays a vital role in promoting long-term skin health. The UV index can soar to a peak of 14 during midday hours, posing high risks for overexposure. Staying informed and taking precautions during these critical times can make all the difference in enjoying the beautiful sunny days while protecting your skin.
The UV Index for today paints a clear picture of the sun's intensity throughout the day. Starting off gently, the morning hours from 7:00 AM to 9:00 AM see values at a mild 1 to 2. However, as the clock strikes 10:00 AM, the index skyrockets to 5, signaling a notable rise in UV radiation. By 11:00 AM, the intensity hits 8, peaking dramatically at 12:00 PM with a blistering 12. The afternoon peak occurs between 1:00 PM and 2:00 PM, where it reaches its maximum of 14, urging caution for outdoor enthusiasts. As the sun begins its descent, the index gradually declines to 9 at 4:00 PM and further down to 6 at 5:00 PM. In the evening, the UV exposure wanes, dropping back to a soothing 3 by 6:00 PM and returning to 1 by 7:00 PM. Be sure to protect your skin during those 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 | 8 | 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 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal variability, peaking between March and October, where the levels frequently remain in the extreme category. The highest UV Index occurs in May at 15, indicating a burn time of just 10 minutes. The months from February to October are particularly high-risk, with March through October consistently showing extreme exposure. During these months, it’s crucial for visitors and residents to take precautions, such as wearing broad-spectrum sunscreen and protective clothing, and seeking shade during peak sun hours. Conversely, November and December see a slight reduction in risk, with a UV Index of 10 and 8 respectively, though caution is still advised due to the very high exposure levels.
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 |
| Los Zacatones | 8 | 11 | 13 | 14 | 15 | 14 | 14 | 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 |