Last updated: May 3, 2025
In Porto de Moz, Brazil, staying informed about the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. Understanding UV levels helps prevent sunburn and long-term skin health issues, making it an essential part of daily life, especially in regions with high sun exposure. With a tropical climate that sees intense sunlight, particularly during midday when the UV Index soars to a striking 13, residents and visitors alike must be vigilant about their sun safety. By monitoring the UV Index, you can enjoy the warm, inviting afternoons while minimizing your risk of skin damage.
The UV Index throughout the day showcases a fascinating journey of sunlight intensity. Starting at 7:00 AM, the index is a mild 1, rising steadily as the sun climbs higher. By 9:00 AM, it reaches 5, but the real peak occurs between 11:00 AM and 1:00 PM, where it soars to a striking 13—a potent reminder to seek shade and don sunscreen. As the afternoon progresses, the intensity begins to wane, dropping to 7 by 3:00 PM before declining further to 1 by 5:00 PM. Finally, the day concludes with a soothing 0, signaling a retreat of the sun’s rays. It's a vivid demonstration of how the sun’s power evolves, urging us to embrace protection during its zenith.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
From January through April, the UV Index remains extremely high, peaking at 16, indicating that the risk of harm from unprotected sun exposure is significant, with a minimal burn time of just 10 minutes. The high-risk months continue into May and June, where the UV Index gradually decreases but still maintains an extreme rating, allowing only a 10-minute safe exposure period. Visitors and residents should remain vigilant, especially during these months, wearing protective clothing, applying sunscreen, and seeking shade when outdoors. As summer transitions into autumn, the UV Index remains high through September and October but begins to gradually lower by November. Regardless of the month, it is crucial for everyone to stay informed and take necessary precautions to protect skin health throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rio de Janeiro UVI | 15 | 14 | 13 | 10 | 7 | 6 | 7 | 9 | 11 | 12 | 13 | 15 |
| Sao Paulo UVI | 16 | 15 | 12 | 11 | 8 | 6 | 7 | 9 | 11 | 13 | 14 | 15 |
| Belo Horizonte UVI | 17 | 16 | 14 | 12 | 9 | 7 | 8 | 10 | 12 | 13 | 14 | 16 |
| Salvador UVI | 14 | 14 | 14 | 13 | 10 | 9 | 9 | 12 | 12 | 15 | 15 | 14 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |
| Porto de Moz | 15 | 15 | 16 | 16 | 13 | 12 | 11 | 12 | 13 | 13 | 14 | 13 |