Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Porto Barra do Ivinheima, Brazil, where the Aw climate brings a unique blend of sun and warmth. Understanding UV levels is vital not only for preventing sunburn but also for maintaining overall skin health amidst increasing exposure risks. With peak UV levels reaching 7 between 11:00 AM and 12:00 PM, it's essential to be informed about daily UV changes to safeguard against potential harm, especially in this vibrant coastal region known for its sunshine. Stay vigilant, protect your skin, and enjoy the beauty of Porto Barra do Ivinheima safely!
As the day unfolds, the UV Index reaches its peak during the late morning and early afternoon hours. Starting at a mild 1 at 7 AM, the index gradually climbs to a more noticeable 7 by 11 AM, signaling a time when sun protection becomes essential. It holds steady at 7 until noon, then begins to decline, dipping to 4 by 2 PM, and further falling to 1 by 4 PM. By evening, the UV Index drops to 0, indicating a safe time to enjoy the outdoors without the worry of harmful UV exposure. Remember, during the peak hours from 10 AM to 2 PM, it's crucial to wear sunscreen and protective clothing to safeguard your skin!
| 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 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 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 | 1 | 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 |