Last updated: August 1, 2025
Understanding the UV Index in Seabra, Brazil is essential for safeguarding your skin's health. With the tropical climate that characterizes this region, the UV levels can rise significantly, particularly around midday, peaking at 10 between 11:00 AM and 12:00 PM. Being aware of these levels is crucial for preventing sunburn and reducing the long-term risks of skin damage and skin cancer. When enjoying the vibrant outdoor scenery of Seabra, knowing how to protect yourself during those peak hours can make all the difference in maintaining your well-being under the Brazilian sun. Stay informed and take the necessary precautions to enjoy your time outdoors safely!
In the early hours of the day, the UV Index starts low, peaking at 1 at 07:00 before gradually rising as the sun climbs higher in the sky. By 10:00, it reaches a noteworthy 8, escalating to its maximum level of 10 at 11:00 and 12:00—the prime hours for sun exposure. As the afternoon progresses, the index begins to decline: 9 at 13:00, followed by a drop to 7 at 14:00. The late afternoon sees it further decrease, with values falling to 4 at 15:00 and down to 1 by 17:00. Finally, the UV Index falls to 0 after 18:00, marking the end of a sun-drenched day. Keep in mind, when the UV Index is high, it's crucial to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index displays significant seasonal variations, with extreme levels from January to April and again in August to November. The highest-risk months are January, February, March, and October when the UV Index reaches 15, indicating an extreme exposure category with a burn time of only 10 minutes. While May marks a slight decrease to 11 (very high exposure) with a slightly extended burn time of 15 minutes, June and July maintain a very high UV Index of 10. As summer transitions to fall, the UV levels spike again in August and September before returning to extreme levels in October and November. It is crucial for visitors and residents to take proper precautions, including wearing sunscreen, protective clothing, and seeking shade during peak hours, particularly in these high-risk months, to avoid harmful UV exposure.
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 |
| Seabra | 15 | 15 | 15 | 14 | 11 | 10 | 10 | 13 | 13 | 15 | 15 | 16 |