Last updated: May 3, 2025
In Tiangua, Brazil, understanding the UV Index is crucial for protecting your skin from harmful sun exposure. With a tropical Aw climate that allows for high UV levels, being aware of UV indices can help prevent sunburn and promote long-term skin health. During peak hours, particularly between 10 AM and 1 PM, the UV Index can soar to extremes of 11 and 13, indicating a very high risk of harm from unprotected sun exposure. By keeping an eye on these levels, residents and visitors alike can take the necessary precautions to enjoy the sun safely.
The UV Index throughout the day showcases a dramatic rise and fall in sun exposure. Starting at a mild 1 at 07:00, it quickly escalates to reach a peak of 13 by 11:00 and 12:00, signaling optimal conditions for sun protection. As the afternoon unfolds, the index gently declines, dropping to 4 at 15:00 before tapering off to 0 by 19:00. It’s clear that the morning and early afternoon hours require caution, with UV levels hitting 11 at 10:00, urging sun safety practices like wearing sunscreen and protective clothing.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 11 | extreme | 10 min |
11:00 | 13 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 4 | 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 |
Throughout the year, the UV Index remains consistently high, with values primarily in the extreme category, peaking at 16 in March. The highest-risk months are from January to April, where the UV Index consistently reaches between 14 and 16, indicating a burn time of just 10 minutes for unprotected skin. Even in the summer months of June and July, the UV Index remains at 11, signifying an ongoing risk for skin damage. Visitors and residents are strongly advised to take precautionary measures during all months, including wearing broad-spectrum sunscreen, protective clothing, and sunglasses, as well as seeking shade whenever possible to minimize harmful UV exposure.
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 |
Tiangua | 14 | 15 | 16 | 15 | 13 | 11 | 11 | 13 | 13 | 13 | 13 | 13 |