Last updated: July 2, 2025
In Humaita, Brazil, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. The UV Index measures the strength of ultraviolet radiation, which can lead to both short-term discomfort and long-term skin damage if we're not careful. With Humaita's tropical climate often exposing residents to high levels of UV radiation—peaking at an intense 10 during midday—it's essential to understand these UV levels and take appropriate precautions to protect your skin. Stay informed and enjoy the sun safely!
The UV Index throughout the day paints a vivid picture of sun intensity. Early risers will feel minimal exposure, with a low of 1 at 07:00, gently climbing to 2 by 08:00. As the sun reaches its peak, the index skyrockets to a staggering 10 during the lunch hours at 12:00 and 13:00, indicating very high UV levels that demand protection. Following this zenith, the numbers begin to dwindle, descending to 8 at 14:00 and tapering off to 5 by 15:00. As evening settles in, the UV Index gracefully declines to 1 by 17:00 and finally drops to 0 at 19:00, marking the end of a sunlit day. Stay safe and enjoy the sunshine, but don’t forget those essential sun care practices 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 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits notably high levels across the year, particularly from January to April, where it remains in the extreme category (15-16) with an alarming burn time of just 10 minutes. May and June see a slight decrease, but values remain extreme at 12 and 11, respectively. July and August shift to a very high category at 10, allowing for a slightly longer burn time of 15 minutes. As the year progresses to September through November, the UV levels increase again, returning to extreme levels, while October and November peak at 14 and 15. December mirrors this trend with a UV Index of 14. Therefore, visitors and residents should exercise extreme caution during these high-risk months, particularly from January to April and again in October and November. It's crucial to prioritize sun protection measures, such as wearing sunscreen, protective clothing, and seeking shade, particularly during peak exposure times.
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 |
| Humaita | 15 | 16 | 16 | 15 | 12 | 11 | 10 | 10 | 12 | 14 | 15 | 14 |