Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Ejido Vega de San Marcos, Mexico, where the climate is characterized by high temperatures and plenty of sunshine. Knowing the potential for UV radiation is essential in preventing sunburn and protecting overall skin health. During the hottest parts of the day, UV levels can reach a stringent 11 to 13, indicating extreme exposure risk around midday. By staying informed about the UV Index, individuals can take necessary precautions to enjoy the beautiful, sunny days while safeguarding their skin from harmful effects.
As the sun rises, UV Index levels begin their slow ascent, starting at a mild 1 at 7:00 AM and 8:00 AM. By 9:00 AM, the index jumps to 3, hinting at the midday intensity to come. 10:00 AM witnesses a sharper rise to 5, but the real peak begins shortly after, with the index skyrocketing to an impressive 11 at 12:00 PM. The heights of intensity are reached at 1:00 PM with a staggering value of 13. Throughout the afternoon, levels gradually decline, settling at 10 by 3:00 PM, then dipping to 4 by 5:00 PM. As the evening approaches, the UV Index wanes, resting at 1 by 7:00 PM, signaling a safe retreat from the sun’s harsh rays. Embrace the shade during peak hours to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 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 | 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 |
During the year, the UV Index exhibits significant seasonal changes, peaking from March to October where it ranges from 11 to 13 in the extreme category. The high-risk months are March through September, where the burn time is as short as 10 minutes, necessitating vigilant sun protection. In contrast, January and February still present very high levels with a UV Index of 8 and 10, suggesting that visitors should remain cautious, while November and December see some relief with a drop to 8 and 7, respectively. To safeguard against harmful UV exposure, it is essential for both residents and visitors to apply sunscreen, wear protective clothing, and seek shade, especially during peak hours from late morning to early afternoon. Stay informed and prioritize sun safety throughout the year!
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ejido Vega de San Marcos | 8 | 10 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 8 | 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 |