Last updated: May 3, 2025
In Careiro da Varzea, Brazil, awareness of the UV Index is crucial for safeguarding your skin health against the harmful effects of ultraviolet radiation. Understanding UV levels not only helps in preventing sunburn, but also plays a significant role in reducing the long-term risk of skin damage and conditions like skin cancer. Nestled in a tropical climate, Careiro da Varzea experiences intense sun exposure, particularly during peak hours, where the UV Index can soar to 13 around midday. Stay informed about daily UV levels to enjoy the vibrant outdoor life while protecting yourself from potential risks!
As the day unfolds, the UV Index embarks on a thrilling ascent, reaching its peak around 11:00 AM and 12:00 PM at a blazing 13, indicating the need for sun protection. Visitors basking in the sunlight at 10:00 AM encounter a sharp rise to 10, while the early morning hours remain mild, with a low of 1 at 7:00 AM. As the afternoon approaches, the intensity wanes, dropping to a refreshing 5 by 3:00 PM, and further declines as the sun begins its descent, fading to 0 by 7:00 PM. This chart serves as a reminder that while midday sun can be relentless, the early and late hours offer a gentle reprieve for outdoor enthusiasts. Enjoy the sunshine, but don’t forget your sunscreen during those peak hours!
| 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 | 13 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 5 | 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 |
The UV Index displays extreme levels throughout the year, peaking at 16 from January to April, indicating a high-risk period for sun exposure. Visitors and residents should take extra precautions, as the burn time is only 10 minutes during these months. May to November shows slightly decreased UV levels, ranging from 11 to 13, still falling within the extreme category, emphasizing the need for continued vigilance against sun exposure. December sees a small decline to a UV Index of 14, but precautions remain essential. To protect your skin, it is crucial to seek shade, wear protective clothing, and apply broad-spectrum sunscreen frequently, especially during these high-risk months.
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 |
| Careiro da Varzea | 15 | 16 | 16 | 16 | 13 | 12 | 11 | 11 | 12 | 12 | 13 | 14 |