Last updated: July 2, 2025
In the sun-kissed town of Piaçabuçu, Brazil, awareness of the UV Index is essential for safeguarding your skin against harmful sun exposure. Understanding UV levels is crucial not only for preventing sunburn but also for maintaining long-term skin health. With a climate that often features high UV exposure, particularly during midday hours when the index peaks at 10, residents and visitors alike should be mindful of their sun protection strategies to enjoy the beautiful outdoors safely.
As the sun rises, the UV Index starts off at a gentle 1 at 07:00, making it a safe time to enjoy outdoor activities. However, as the morning progresses, the index climbs sharply, reaching 3 by 08:00 and hitting 6 by 09:00. The peak exposure occurs from 11:00 to 12:00, where it reaches its maximum of 10, indicating a high risk for harm from unprotected sun exposure. By the afternoon, a gradual decline begins: 8 at 13:00, followed by 5 at 14:00, before tapering off to 3 at 15:00. As the day winds down, UV levels decrease to 1 by 16:00 and drop to 0 after 18:00, making late evening a soothing time to relax outdoors without sun concerns. Always remember to protect your skin during those peak hours!
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 | 8 | very high | 15 min |
11:00 | 10 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 8 | very high | 15 min |
14:00 | 5 | moderate | 30 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 experiences significant seasonal changes, indicating the intensity of ultraviolet radiation and its potential health risks. During the winter months (January to March) and early spring (April), the UV Index remains consistently high at 14, classified as extreme, with a quick burn time of just 10 minutes. As summer approaches, particularly in June and July, the UV Index drops slightly to 10, categorized as very high, allowing for a slightly longer burn time of 15 minutes. However, in late summer to early fall (August to October), the Index rebounds to extreme levels again, peaking at 13 in September and October. Notably, November and December revert to extreme UV levels of 14. Given these high UV readings, visitors and residents are strongly advised to exercise caution, wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade, especially during peak hours from 10 a.m. to 4 p.m.
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 |
Piacabucu | 14 | 14 | 14 | 14 | 12 | 10 | 10 | 12 | 13 | 13 | 14 | 14 |
Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |