Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of San Vicente, Mexico, where the sun's rays can be particularly intense. The UV levels in this Cwa climate zone can peak remarkably high, reaching a staggering value of 14 around midday. This makes awareness of UV exposure essential for preventing sunburn and promoting overall skin health. By recognizing the importance of the UV Index, you can take proactive measures to protect yourself during the sunniest hours, ensuring you enjoy the beautiful weather while minimizing the risks associated with overexposure. In San Vicente, understanding these UV levels empowers you to make informed choices about sun protection and enjoy the vibrant outdoor lifestyle safely.
As the sun rises, the UV Index gradually climbs throughout the morning, peaking in the afternoon. At 07:00, it starts at a safe 0 but quickly rises to 1 by 08:00. By 10:00, the index reaches 5, indicating moderate UV exposure. The real intensity hits at 12:00, soaring to a striking 12, and it peaks at 14 from 13:00 to 14:00, signaling a high level of risk for sunburn. As the afternoon progresses, the index begins to decline, dipping to 9 by 16:00, and further decreasing to 6 by 17:00. By evening, the UV Index retreats to 3 at 18:00 and finally settles at 1 by 19:00. Stay protected during those peak hours to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | 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 | 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 |
Throughout the year, the UV Index exhibits significant seasonal changes, reflecting the intensity of sun exposure. High-risk months for UV exposure are primarily from February to October, with March through September showing extreme levels (UV Index 14) that necessitate caution. Residents and visitors should be particularly vigilant during these months, as the burn time can be as short as 10 minutes in peak conditions. From November to January, the risk decreases slightly, but even in these months, burn times are relatively brief, ranging from 15 minutes in November and December to 9 minutes in January. It is advisable for everyone to safeguard their skin by wearing sunscreen, protective clothing, and seeking shade during the peak sun hours, especially during the high-risk months.
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 |
| San Vicente | 9 | 11 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 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 |