Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Lago dos Rodrigues, Brazil, where the tropical climate brings intense sun exposure throughout the year. Awareness of UV levels not only aids in preventing painful sunburns but also plays a vital role in maintaining long-term skin health. With peak UV readings soaring to 13 around noon, it's essential to take precautions during the busiest hours to protect yourself from harmful rays. Whether you're exploring the beautiful landscapes or enjoying outdoor activities, knowing how to navigate the UV Index in Lago dos Rodrigues helps ensure that your experience is both safe and enjoyable.
The UV Index (UVI) begins its ascent at 07:00, reaching a modest 1, but as the sun climbs higher, so does the intensity. By 09:00, it hits 6, pushing outdoor enthusiasts to take notice. The peak occurs at 12:00, where the UVI soars to a scorching 13, indicating the need for sun protection. This high level remains at 12 until 13:00, before gradually tapering off to 9 by 14:00. As the afternoon progresses, the UVI then dips to 5 at 15:00, and continues to decline, hitting 2 at 16:00. Finally, the day winds down with the UVI falling to 1 by 17:00, and then sinking to 0 after 18:00, offering a reprieve from the sun's harsh rays for the evening.
| 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 | 9 | very high | 15 min |
| 11:00 | 12 | 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 |
Throughout the year, UV Index levels remain consistently high, categorized as extreme, with burn times often limited to just 10 minutes. The high-risk months for UV exposure extend from January to April, where the UV Index reaches its peak at 16 in March. Although UV levels start to decline slightly in the summer months of June and July, they remain within the extreme category, making sun safety essential. Visitors and residents are advised to take precautions year-round, such as wearing protective clothing, using sunscreen with high SPF, and seeking shade when necessary, especially during the peak hours of sunlight. Remember, even on cloudy days, UV rays can still cause skin damage, so vigilance is key.
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 |
| Lago dos Rodrigues | 15 | 15 | 16 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 14 | 13 |