Last updated: May 3, 2025
In Americo Brasiliense, Brazil, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you take necessary precautions against sunburn and long-term damage, especially in this tropical climate where UV exposure can be intense. With peak UV Index values reaching 8 around midday, residents and visitors should remain vigilant to minimize risks during activities outdoors. Whether it's enjoying the sun or just running errands, familiarizing yourself with UV trends can make all the difference in maintaining healthy skin and enjoying safer sunlit moments.
At sunrise, the UV Index begins at a gentle 1 at 07:00, rising gradually as the sun climbs higher. By 09:00, it reaches 3, indicating a moderate level of UV radiation. The heat of the day peaks at 12:00 with a high of 8, suggesting it’s time to seek shade or apply sunscreen. As the afternoon progresses, the index slightly drops to 7 at 13:00 and continues to decline, settling at 3 by 15:00. As the sun starts to set, the risk diminishing to 1 at 17:00 and finally dropping to 0 by 18:00, signaling a safer time for outdoor activities as the day winds down. Be mindful of the midday sun to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index shows significant seasonal fluctuations, with the highest values typically between January and April, where the index remains in the extreme category (ranging from 15 to 16) and a quick burn time of just 10 minutes. This trend continues into September and October, maintaining extreme levels. May sees a shift to very high (UV Index 8) and a slightly longer burn time of 15 minutes, while June to August presents lower but still concerning values, categorized as high and very high (up to 10), with burn times extending to 25 minutes. November and December revert to extreme levels. Visitors and residents are advised to take necessary precautions during these high-risk months, particularly from January to April and again in September to November, by wearing protective clothing, applying sunscreen frequently, and limiting sun exposure, 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 |
| Americo Brasiliense | 15 | 16 | 13 | 11 | 8 | 7 | 8 | 10 | 11 | 13 | 14 | 16 |
| 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 |