Last updated: July 2, 2025
In Sirinhaem, Brazil, being aware of the UV Index is essential for protecting your skin and overall health. Understanding the daily fluctuations in UV levels can help you prevent sunburn and long-term skin damage. With a tropical climate that often sees high sun exposure, especially during peak hours, knowing when the UV Index reaches its maximum—often hitting levels of 9 to 11 around midday—is crucial for planning your outdoor activities effectively. Stay informed and enjoy the beautiful sunshine while keeping your skin safe!
The UV Index data reveals a captivating daily dance of sunlight's intensity. At 07:00, it starts at a modest 2, gradually climbing to reach a notable peak of 11 by 11:00, signaling the time for maximum sun protection. As the day progresses, the index dips to 10 at 12:00 and then begins to decline, slipping to 6 by 14:00. The afternoon sun softens as it retreats, with the UV Index falling to 3 by 15:00 and dwindling further to 1 by 16:00 and 17:00. Finally, the day ends with a safe 0 by 19:00, ushering in the evening. It's a reminder of the sun's powerful influence, urging us to embrace the rays wisely!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 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 throughout the year displays extreme levels, particularly from January through November, with values consistently between 12 and 15, indicating a high risk of harm from unprotected sun exposure. Notably, the highest UV Index occurs in March at 15, closely followed by February and April at 14. Visitors and residents should take special care during these high-risk months and consistently throughout the year, ensuring they wear appropriate sun protection, including sunscreen, hats, and UV-protective clothing. With a burn time of only 10 minutes, it is crucial to limit sun exposure, especially during midday when UV radiation is at its peak.
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 |
Sirinhaem | 14 | 14 | 15 | 14 | 12 | 11 | 11 | 12 | 13 | 13 | 14 | 14 |
Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |