Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Nova Granada, Brazil, where the sun shines brightly under the tropical Aw climate. Being aware of UV levels helps safeguard against sunburn and long-term skin damage, ensuring not only comfort but also health. With peak UV Index readings reaching 7 between noon and 1 PM, it's essential for locals and visitors alike to stay informed about daily UV exposure risks. This knowledge empowers you to enjoy the sun safely while minimizing the risk of harmful effects on your skin.
From 07:00 to 08:00, the UV Index remains low at 1, making it a great time for early morning activities. As the sun rises higher, the index climbs to 3 by 09:00 and reaches a moderate 4 at 10:00. The UV exposure peaks at 12:00 and 13:00 with a high of 7, signaling a strong need for sun protection during these hours. By 14:00, the index starts to decline to 5, and it drops to 3 by 15:00 as the afternoon wanes. As we move towards the evening, the UV Index significantly decreases, settling back down to 1 by 16:00 and falling to 0 after 18:00, perfect for a safe stroll under the twilight.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 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 |
The UV Index experiences significant fluctuations throughout the year, with extreme levels persisting from January to April, where the UV Index remains consistently 16-13 and burn times are as short as 10 minutes. May marks the beginning of a decrease, dropping to a very high index of 9 with burn times extending to 15 minutes, a brief respite before the summer months. The UV levels become high in June (index 7), but by July, they spike again to very high at 8, alongside August which also sees an extreme index of 11. From September to November, the UV levels return to the extreme category, peaking again at 14, making these months high-risk for skin damage. As a result, visitors and residents should take extra precautions, especially from January to April and during the late summer into fall (August to November), ensuring proper skin protection through sunscreen, appropriate clothing, and limiting direct sun exposure during peak hours.
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 |
| Nova Granada | 16 | 16 | 13 | 11 | 9 | 7 | 8 | 11 | 12 | 14 | 14 | 16 |
| 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 |