Last updated: June 2, 2025
In Centenario do Sul, Brazil, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps in preventing sunburn and minimizing long-term skin damage, especially in this Cfa climate, where warm, sunny days can lead to elevated UV exposure. With peak UV Index values reaching up to 6 around midday, it's vital for residents and visitors alike to stay informed about the risks associated with sun exposure. By taking protective measures during high UV periods, you can enjoy the beautiful Brazilian sunshine while safeguarding your skin’s health.
The UV Index for the day shows a notable rise in levels as the sun ascends. Starting from a meager 1 at 07:00 and 08:00, it steadily climbs to a balanced 2 by 09:00. The sun's intensity peaks between 10:00 and 13:00, hitting a maximum of 6, indicating a moderate risk for harm from unprotected sun exposure. As the afternoon rolls in, the index begins to decline, falling to 5 at 14:00 and then decreasing progressively until it reaches 0 by 18:00. This data suggests that while the sun is strong midday, early morning and late afternoon offer safer conditions for outdoor activities. Remember to stay protected during the high UV hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | 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 levels display significant seasonal changes, with extreme UV indices prevalent from January to April and during September to November. The highest risk months for UV exposure are January, February, and December, where the UV Index peaks at 15 and burn times are as short as 10 minutes, necessitating vigilant sun protection. Conversely, the summer months of June and July see a decline in UV levels, categorizing them as high, yet caution is still warranted with burn times extending to 25 minutes. May and August present very high UV exposure, urging individuals to minimize direct sunlight exposure. For residents and visitors, it is crucial to adhere to protective measures such as wearing sunscreen, seeking shade, and avoiding peak sun hours, particularly during these high-risk months to ensure safety and well-being.
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 |
| Centenario do Sul | 15 | 15 | 13 | 11 | 8 | 6 | 7 | 10 | 11 | 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 |