Last updated: June 2, 2025
In Santaluz, Brazil, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you take essential precautions to prevent sunburn and long-term skin damage, especially during the peak hours of intense sunlight. With a tropical climate characterized by high temperatures and strong sun exposure, the UV Index can soar to dangerous levels, peaking at 10 in the early afternoon. By being aware of these fluctuations, residents and visitors can enjoy the beautiful outdoors while safeguarding their skin from harmful rays.
The UV Index throughout the day shows a pronounced peak around midday. Starting at a mild 1 at 7:00 AM, it gradually climbs to 3 by 8:00 AM. As the sun rises higher, the index reaches a notable 10 from 11:00 AM to 12:00 PM, indicating a high risk for harm from unprotected sun exposure. Following this zenith, the intensity tapers off, dropping to 8 at 1:00 PM and gently descending to 5 by 2:00 PM. Afterward, the UV Index continues to decline, sinking to 3 at 3:00 PM, before finally resting at 1 by 4:00 PM and diminishing to 0 by 6:00 PM, signaling a safe end to sun exposure for the day. It's a classic reminder of the sun's potent power—stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 5 | moderate | 30 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 |
Throughout the year, UV exposure remains consistently high, particularly in the first half of the year, with extreme levels peaking between January and March. Notably, November also experiences a significant UV Index of 15, marking it as a high-risk month along with January, February, March, April, August, September, and October. Residents and visitors are advised to take immediate precautions during these months, such as wearing protective clothing, using broad-spectrum sunscreen, and minimizing sun exposure during peak hours to mitigate the risk of UV-related harm. In contrast, while June and July show a slightly lower UV Index at 10, they still fall into the very high category, and precautions should not be overlooked. To ensure safety, it’s important to stay informed about UV levels and plan outdoor activities accordingly.
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 |
| Santaluz | 14 | 14 | 15 | 13 | 11 | 10 | 10 | 12 | 13 | 14 | 15 | 14 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |