Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Governador Valadares, Brazil, where the combination of a tropical climate and high sun exposure can lead to significant risks for skin health. Awareness of UV levels helps in preventing sunburn and long-term skin damage, making it essential for outdoor activities. With maximum UV levels reaching 7 between 11:00 AM and 12:00 PM, it's important to embed sun safety into daily routines, especially during the peak hours. Stay informed to protect yourself and enjoy the beautiful sunny days in Governador Valadares 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 in the region shows significant seasonal variations, with extreme levels from January to April and notable spikes in September to November. The high-risk months for UV exposure are January to April and September to November, when the UV Index consistently reaches 15 to 16, indicating an extreme exposure category with a burn time of just 10 minutes. Visitors and residents should take precautionary measures during these periods, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade when outdoors, to mitigate the risk of sunburn and long-term skin damage. As summer approaches, while May sees a drop to 9 (very high), it remains essential to remain vigilant, especially in July and August, when the UV Index returns to 8 to 10 with 15-minute burn 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 |
| Governador Valadares | 16 | 15 | 14 | 12 | 9 | 7 | 8 | 10 | 12 | 14 | 15 | 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 |