Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Bueno Brandão, Brazil, especially given the area's Cfb climate which brings mild summers and cool winters. As UV levels fluctuate throughout the day, being aware of these levels can significantly aid in preventing sunburn and maintaining long-term skin health. With peak UV Index readings reaching 7 around noon, it’s essential to take precautions during those hours when the risk of harmful exposure is greatest. Keep yourself informed to enjoy the beautiful outdoors while staying safe!
The UV Index reveals a dynamic day of sun exposure. Beginning at a gentle 1 at 7:00 AM and 8:00 AM, the index gradually rises, hitting 3 by 9:00 AM. A significant surge occurs at 10:00 AM, with the UV Index climbing to 5, peaking at an intense 7 at 12:00 PM. The intensity then begins to decline, with values of 6 at 1:00 PM, dropping to 4 by 2:00 PM, and further decreasing to 3 at 3:00 PM. As the afternoon wanes, the index returns to 1 by 4:00 PM and finally falls to 0 after 6:00 PM, marking a gentler evening. It's a reminder to stay sun-smart during those midday hours when UV exposure is at its highest!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 7 | high | 25 min |
13:00 | 6 | high | 25 min |
14:00 | 4 | 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 |
Throughout the year, the UV index demonstrates significant seasonal variations, with extreme levels occurring consistently from January to April and returning in September through November. The highest risk months are January, February, and December, each featuring a UV index of 16 and a swift burn time of just 10 minutes. As we transition into spring and summer, UV levels decrease slightly but remain notable; May to August sees values between 7 and 10, categorized as high to very high. Visitors and residents are strongly advised to take precautions in high-risk months, particularly during peak hours, by wearing protective clothing, using sunscreen, and seeking shade whenever possible to minimize sun exposure and reduce the risk of skin damage.
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 |
Bueno Brandao | 16 | 16 | 13 | 12 | 8 | 7 | 8 | 10 | 12 | 14 | 15 | 16 |
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 |