Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in São Paulo de Olivença, Brazil, where the tropical** Af climate** can lead to significant sun exposure. The UV Index indicates the strength of ultraviolet radiation, and being aware of its levels can help prevent sunburn and promote better skin health. In São Paulo de Olivença, UV levels peak around midday, reaching a maximum of 11, which poses a high risk for unprotected skin. By tracking the UV Index, you can make informed decisions about sun safety, ensuring a healthier and more enjoyable time in the sun.
The UV Index for the day showcases a notable rise in intensity as the sun climbs higher in the sky. Starting at a mere 1 at 07:00, it gradually escalates, hitting 4 by 09:00. The peak occurs between 12:00 and 13:00, where it reaches an impressive 11, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the values begin to taper off, dropping to 10 at 14:00, 6 by 15:00, and eventually down to 1 at 17:00. By evening, the UV Index plummets to 0 from 19:00 onward, signaling a welcome respite from the sun’s intensity. Stay protected during peak hours to enjoy the sunshine safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index remains consistently high throughout the year, particularly peaking from January to April, where values reach between 15 and 17; this period is classified as extreme, with a burn time of only 10 minutes. Even during the summer months of June and July, where the UV Index slightly decreases to 11, the risk remains significant. As we transition into August and September, the UV Index is still notably high at 12 and 13, respectively. The fall months, particularly October and November, maintain an extreme classification with UV levels around 13 to 14. Residents and visitors are strongly advised to take preventive measures against UV exposure year-round, such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially 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 |
| 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 |
| Sao Paulo de Olivenca | 15 | 16 | 17 | 16 | 13 | 11 | 11 | 12 | 13 | 14 | 13 | 13 |