Last updated: May 3, 2025
In Porto Barra do Ivinheima, Brazil, understanding the UV Index is crucial for protecting your skin and maintaining overall health. This coastal paradise, characterized by its tropical climate, experiences varying UV levels throughout the day, with peak values reaching up to 8 between 11:00 AM and 12:00 PM. Being aware of these UV levels is essential for preventing sunburn and reducing long-term skin damage. By keeping an eye on the UV Index, residents and visitors alike can make informed decisions about sun exposure, ensuring a safe and enjoyable experience under the Brazilian sun.
As the sun rises, the UV Index begins its climb, peaking at a robust 8 between 11:00 AM and 12:00 PM. Early morning hours offer low exposure, starting at 1 at 07:00, gradually increasing to 5 by 09:00. Just shy of midday, the ozone layer's protection wanes, reaching its zenith with an intensity that calls for caution. By 01:00 PM, the index dips to 6 and continues to decline, hitting 4 at 02:00 PM and dropping to a mere 1 by 04:00 PM. By evening, as the sun sets, the UV Index drops to 0 by 05:00 PM, offering a safe end to the day. Stay sun-smart and protect your skin during those peak hours!
| 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 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, peaking in the winter months (January to April) with values ranging from 11 to 15, categorized as extreme, where unprotected skin can burn in as little as 10 minutes. The high-risk months, characterized by an extreme UV Index, include January, February, March, April, September, October, November, and December. In contrast, the summer months (May to August) present a slightly lower yet still concerning UV Index, falling within the very high to high range, allowing for slightly longer burn times of 15 to 25 minutes. Therefore, it is crucial for visitors and residents to take preventative measures year-round, especially during high-risk months, by wearing sunscreen, protective clothing, and sunglasses, and by seeking shade to mitigate the harmful effects of UV radiation.
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 |
| Porto Barra do Ivinheima | 15 | 14 | 13 | 11 | 8 | 6 | 7 | 9 | 11 | 14 | 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 |