Last updated: July 2, 2025
In Barra do Bugres, Brazil, being aware of the UV Index is crucial for safeguarding your skin against harmful sun exposure. Understanding UV levels helps you make informed decisions to prevent sunburn and protect long-term skin health. With its Aw climate zone, Barra do Bugres typically experiences high UV levels, especially during the peak hours of 10 AM to 2 PM, when values can soar to a dangerous 9. By staying informed and taking appropriate precautions, you can enjoy the beautiful Brazilian sun while keeping your skin safe and healthy.
The UV Index throughout the day demonstrates a distinct peak during the midday hours, reaching its maximum of 9 at 11:00 AM and again at 12:00 PM. As the sun rises, the UV Index begins at a mere 1 at 7:00 AM, gradually climbing to 4 by 9:00 AM. However, once the clock strikes 10:00 AM, the intensity escalates sharply to 7 before hitting its zenith. Following this, there is a slight tapering off in the afternoon hours, with values nearing 6 at 2:00 PM and gradually decreasing to 3 by 3:00 PM. As daylight wanes, the UV Index plummets, dropping to 1 by 4:00 PM and finally settling at 0 by 6:00 PM, signaling an end to the sun's powerful rays for the day. This data emphasizes the importance of sun protection, especially during those peak hours between 10:00 AM and 2:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | 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 exhibits significant seasonal variations, with extreme levels predominantly occurring from January through April, when the index remains at 16 and burn time is a mere 10 minutes. Visitors and residents should be especially cautious during these months, as well as in August, when the index jumps back to 11, and in November at 15. The summer months—May, June, and July—experience a slightly lower but still high index of 10 and 9, allowing for a burn time of 15 minutes. Despite this, the danger remains significant. It is vital for everyone to take protective measures against UV exposure throughout the year, such as wearing sunscreen, protective clothing, and sunglasses, particularly during peak UV times.
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 |
| Barra do Bugres | 16 | 16 | 14 | 13 | 10 | 9 | 9 | 11 | 12 | 14 | 15 | 16 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |