Last updated: June 2, 2025
In Benjamin Constant, Brazil, staying informed about the UV Index is crucial for your health and well-being. With its tropical climate and abundant sunshine, this region can expose residents and visitors to significant UV levels throughout the day. Understanding these levels is essential for preventing sunburn, safeguarding your skin health, and reducing the risk of long-term damage. As the UV Index peaks between 11:00 AM and 1:00 PM, reaching levels as high as 11, being aware of these fluctuations can help you take the necessary precautions during your outdoor activities. Embrace the sun safely by staying informed!
At 07:00, the UV Index starts low at 1, gradually climbing to 3 by 08:00. As the sun rises higher, the intensity surges, peaking at a striking 11 by 11:00 and remaining at that level until 12:00. The afternoon sees a slight decrease, with the index slipping to 10 by 13:00 and then further to 7 at 14:00. By mid-afternoon, the UV Index does a dramatic drop to 4 at 15:00, and by 16:00, it falls back to 1. The sun begins to set, leading to a complete reduction, bringing UV levels down to 0 by 19:00. This data illustrates a typical day of high UV exposure during the midday hours, highlighting the importance of sun protection at peak times.
| 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 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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 experiences notable consistency throughout the year, with extreme levels recorded from January to April, reaching a peak of 16 in February and March. Although there is a slight reduction in UV Index values from May (13) to July (11), the exposure remains high, and the burn time stays constant at just 10 minutes. August sees a slight increase to 12 before September rises again to 13, with October and November holding steady at 14. December rounds out the year with a UV Index of 13. Given this information, it is crucial for visitors and residents to remain vigilant about sun protection, especially during the high-risk months of January through April. Using sunscreen, wearing protective clothing, and seeking shade can help prevent skin damage, even during the cooler months.
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 |
| Benjamin Constant | 15 | 16 | 16 | 15 | 13 | 11 | 11 | 12 | 13 | 14 | 14 | 13 |