Last updated: June 2, 2025
Understanding the UV Index in Sapucaia, Brazil, is essential for protecting your skin and overall health. With the region's Cfa climate, residents and visitors alike are at risk for increased UV exposure, particularly during the midday hours when the index peaks. Awareness of UV levels helps prevent sunburn and long-term skin damage, enabling you to enjoy the beautiful Brazilian sun safely. During the peak hours from 10 AM to 1 PM, when UV Index levels reach as high as 5, it's crucial to take appropriate measures to shield yourself from harmful rays. Stay informed and prioritize your skin health in Sapucaia, where the sun shines bright!
As the sun rises, the UV Index begins at 0 at 7:00 AM, offering a safe start to the day. By 8:00 AM, it climbs to 1, indicating minimal risk for most people. As the morning progresses, the UV Index reaches 3 by 10:00 AM, signaling a moderate level that advises some sun protection if you're outdoors. The peak intensity occurs at 12:00 PM with a reading of 5, which translates to a higher risk of harm from unprotected sun exposure. Fortunately, the UV levels gradually decrease throughout the afternoon, dropping to 3 at 2:00 PM and further down to 1 by 4:00 PM. As evening falls, the index diminishes to 0 by 6:00 PM, bringing relief from the sun's rays. Overall, it’s a day to enjoy the sun safely, with peak caution needed during the midday hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | 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 |
The UV Index exhibits significant seasonal variation, with January, February, March, October, November, and December classified as high-risk months, all featuring an extreme exposure category and a quick burn time of just 10 minutes. Similarly, April and September fall into the very high category with burn times of 15 minutes. In contrast, May and August have a high exposure category with longer burn times of 25 minutes, while June and July offer a moderate risk, allowing for 30 minutes before burning. Residents and visitors should take serious precautions during the extreme months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen frequently to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sapucaia | 14 | 13 | 12 | 10 | 6 | 5 | 5 | 7 | 9 | 12 | 13 | 14 |
| 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 |