Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Pão de Açúcar, Brazil, where the sun's rays can pose significant health risks. Understanding UV levels is essential not just for preventing sunburn, but also for preserving long-term skin health, as prolonged exposure can lead to severe skin damage. With a tropical climate and a high risk of UV radiation, especially during midday hours when the index peaks at 10, Pão de Açúcar residents should take proactive measures to protect themselves. Knowing when to seek shade or apply sunscreen can make all the difference in enjoying the beautiful outdoors safely.
The UV Index shows a dynamic pattern throughout the day, peaking sharply around midday. Starting from a gentle 1 at 07:00, the UV exposure begins to rise, hitting 3 by 08:00. The real intensity kicks in at 09:00, where it reaches 6, and then surges to a striking 8 by 10:00. The index escalates further, reaching its pinnacle at 10 from 11:00 to 12:00. As the afternoon progresses, there's a gradual decline, dropping to 9 at 13:00 and tapering off to 6 by 14:00. By 15:00, the UV Index falls to 3, and it continues its descent, dropping back down to 1 by 16:00 and beyond. As the day winds down, the levels decrease significantly, reaching 0 after 18:00, indicating a safe period for outdoor activities without considerable sun exposure. 🌞
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 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 exhibits extreme levels from January to April, peaking at 14, indicating an urgent need for protective measures with a burn time of just 10 minutes. May sees a slight decrease to 12, still categorized as extreme, before transitioning to very high levels of 10 in June and July, allowing for a marginally longer burn time of 15 minutes. As summer fades, August ramps back up to an extreme index of 12, while September and October feature UV levels of 13 and 14, respectively, with burn times once again dropping to 10 minutes. November reaches a peak UV Index of 15, cautioning all residents and visitors to remain vigilant. Advisable precautions include wearing sunscreen, protective clothing, and sunglasses, especially during the highest risk months of January through April and again in November. During these periods, limit sun exposure, particularly during midday hours, to minimize the risk of skin damage.
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 |
| Pao de Acucar | 14 | 14 | 14 | 14 | 12 | 10 | 10 | 12 | 13 | 14 | 15 | 14 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |