Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Salgado de Sao Felix, Brazil, where the sun’s intensity can vary significantly throughout the day. The UV Index provides vital information about the potential for skin damage, including sunburn, making it essential for effective sun protection. With typical midday levels peaking at an intense 12, the importance of knowing these UV levels cannot be overstated, especially in a climate that often invites outdoor activities. By monitoring the UV Index, you can take proactive steps to safeguard your skin health and enjoy the beautiful Brazilian outdoors safely.
As the sun rises, the UV Index begins its ascent, starting at a mild 2 at 7:00 AM. By 8:00 AM, it reaches a moderate 5, signaling the need for some sun protection. The intensity peaks dramatically around 11:00 AM and 12:00 PM, hitting a striking 12, indicating high risk of harm from unprotected sun exposure. As the afternoon rolls in, the index gradually declines, dropping to 9 by 1:00 PM and 6 at 2:00 PM. By the late afternoon, the index continues to decline steeply, falling to 3 at 3:00 PM and further to 1 by 4:00 PM and 5:00 PM. As twilight approaches, the UV Index finally settles at 0 by 6:00 PM, marking the end of a sun-filled day. Remember: during those peak hours, stay protected!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index throughout the year displays extreme levels, particularly from January through November, with values consistently between 12 and 15, indicating a high risk of harm from unprotected sun exposure. Notably, the highest UV Index occurs in March at 15, closely followed by February and April at 14. Visitors and residents should take special care during these high-risk months and consistently throughout the year, ensuring they wear appropriate sun protection, including sunscreen, hats, and UV-protective clothing. With a burn time of only 10 minutes, it is crucial to limit sun exposure, especially during midday when UV radiation is at its peak.
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 |
| Salgado de Sao Felix | 14 | 14 | 15 | 14 | 12 | 11 | 11 | 12 | 13 | 13 | 14 | 14 |