Last updated: May 3, 2025
In Boca do Acre, Brazil, understanding the UV Index is crucial for protecting your skin and overall health. With a tropical climate characterized by high temperatures and intense sun exposure, awareness of UV levels helps you prevent sunburn and long-term skin damage. During peak hours, particularly between 11:00 AM and 1:00 PM, the UV Index can soar to 12, signifying a very high risk of harm from unprotected sun exposure. By monitoring the UV Index, residents and visitors alike can make informed decisions to enjoy the beautiful outdoors while safeguarding their skin against the sun’s harmful rays.
The UV Index throughout the day paints a vivid picture of solar intensity. Starting with a mild 1 at 07:00, the index gradually climbs, reaching 2 by 08:00. A noticeable surge occurs around 09:00, where it hits 4, followed by a significant jump to 7 at 10:00. The peak of the day arrives at 12:00, with an impressive 12, reflecting the sun’s most potent rays. The intensity begins to decline after this peak, dropping to 9 at 14:00 and further down to 6 by 15:00. As the evening approaches, the UV Index falls back to 3 at 16:00 and returns to a comfortable 1 by 17:00, concluding the day with a trivial 0 by 19:00. This data underscores the importance of sun safety during peak hours! 🌞
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | 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 |
Throughout the year, UV Index levels exhibit significant seasonal variation, with January through April consistently showing extreme UV levels (index 15-16) and a burn time of just 10 minutes. This trend continues into November, which also has an extreme index of 15. May sees a slight drop to 12, transitioning to a very high index of 10 during June and July, with a slightly extended burn time of 15 minutes. August witnesses a return to extreme levels (index 11), while September and October remain high at 12 and 14, respectively. As a result, the high-risk months for sun exposure are from January to April and October to November, warranting extra caution. Visitors and residents should take precautions during these months—such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade—to minimize the risk of sunburn and long-term 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 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |
| Boca do Acre | 15 | 15 | 16 | 15 | 12 | 10 | 10 | 11 | 12 | 14 | 15 | 14 |