Last updated: June 2, 2025
In Sao Miguel do Guama, Brazil, staying informed about the UV Index is essential for protecting your skin from the sun's harmful rays. Understanding UV levels can significantly contribute to sunburn prevention and overall skin health, allowing residents and visitors alike to enjoy the sun safely. With a tropical climate characterized by warm temperatures and high UV exposure, Sao Miguel do Guama often experiences peak UV Index values that reach as high as 12 around midday. By being aware of these levels, you can make informed decisions about sun protection and stay healthy while soaking up the beautiful Brazilian sunshine.
The UV Index throughout the day showcases a dramatic rise and fall in intensity, peaking at 12 around noon. Starting from a mild 1 at 07:00, it escalates to a noticeable 5 by 09:00 and skyrockets to a sizzling 11 at 11:00. The highest point occurs just after lunchtime, hitting 12 at 12:00, marking the most critical time for sun exposure. As the afternoon progresses, the index gradually declines, tapering off to 5 by 15:00, before retreating back to a safe 1 by 17:00. By 19:00, the UV Index drops to a 0, signaling a transition from day to night, reminding us to stay vigilant about sun safety during those peak hours.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 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 demonstrates significant seasonal variations, with the highest values occurring from January to April, peaking at 16, indicating an extreme exposure category and a mere 10-minute burn time for unprotected skin. Throughout the year, the high-risk months remain consistent, with the UV Index consistently at 13 or above from January to May and returning to 13 from August to December, signifying continued high risk even in the latter part of the year. Visitors and residents are advised to exercise extreme caution during all months, especially from January to April, by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade to minimize harmful exposure to UV radiation.
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 |
Sao Miguel do Guama | 14 | 15 | 16 | 16 | 14 | 12 | 11 | 13 | 13 | 13 | 13 | 13 |