Last updated: July 2, 2025
Understanding the UV Index in Santo Amaro da Imperatriz is essential for protecting your skin and maintaining overall health. With its Cfa climate, characterized by warm summers and mild winters, the region's sun exposure can elevate UV levels, particularly during midday hours when the index peaks at 5 between 11:00 AM and 1:00 PM. By being aware of these levels, you can take proactive measures to prevent sunburn and reduce the risk of long-term skin damage. Stay informed and enjoy the outdoors while keeping your skin safe from harmful UV rays!
The UV Index throughout the day showcases an engaging pattern of intensity. Starting from a gentle 1 at 07:00 and 08:00, it gradually climbs, hitting 2 at 09:00. By 10:00, the index reaches 3, signaling a moderate risk for sun exposure. The sun’s intensity peaks between 11:00 and 13:00, peaking at a strong 5, urging everyone to take necessary precautions. As the afternoon progresses, the index slightly dips to 4 at 14:00, before tapering down to 3 at 15:00. As the sun begins to set, the UV levels descend, hitting 1 by 16:00, and finally dropping to 0 by 18:00, offering a soothing end to the day. It’s a reminder to enjoy the sun wisely, especially during those midday 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 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 4 | 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 |
Seasonal UV changes indicate that January through March experience extremely high UV levels, peaking with an UV Index of 15, which results in a very short burn time of just 10 minutes. April marks a shift to a very high category with an Index of 10 and a burn time of 15 minutes, while May sees a decrease to high levels (UV Index 7). The summer months of June and July maintain a moderate UV Index of 5, allowing for longer safe exposure times of 30 minutes. As August and September approach, UV levels rise again to very high (UV Index 8 and 10, respectively), leading to shorter burn times. The fall months of October and November return to extreme levels, each with an UV Index of 13 and 14, necessitating a burn time of only 10 minutes. Finally, December reverts to extreme conditions. Visitors and residents should be especially cautious during the extreme months (January, February, March, October, November, December) and ensure adequate sunscreen protection and limited exposure during peak UV times to avoid sunburn.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santo Amaro da Imperatriz | 15 | 14 | 12 | 10 | 7 | 5 | 5 | 8 | 10 | 13 | 14 | 15 |
| 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 |