Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of Macaíba, Brazil, where the sun’s powerful rays can pose significant risks. Knowing the UV levels helps in preventing sunburn and promoting long-term skin health, ensuring that you can enjoy outdoor activities safely. With a tropical climate characterized by high UV exposure, particularly from 10 AM to 2 PM when the index peaks at 11, awareness of these levels is crucial. So, whether you’re soaking up the sun or enjoying a casual stroll, keep an eye on the UV Index to protect your skin and maintain a healthy lifestyle.
As the sun rises, the UV Index begins its ascent, reaching a moderate level of 2 by 7:00 AM. A steady increase quickly follows, peaking sharply at 11:00 AM and 12:00 PM with a high of 11, indicating a significant need for sun protection. The intensity of UV rays then begins to wane, dropping to 8 by 1:00 PM, and then gradually declining to a more manageable 5 at 2:00 PM. As the afternoon progresses, it continues to decrease, finishing the day at a minimal 0 by 6:00 PM. This data highlights the importance of taking precautions during the midday hours when UV exposure is at its highest. Remember to apply sunscreen and wear protective clothing to safeguard your skin!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 11 | extreme | 10 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 |
Throughout the year, the UV Index remains consistently high, peaking at 15 in March. The highest risk months for UV exposure are from January to April and November to December, where the UV Index consistently ranges from 14 to 15, indicating an extreme exposure category with a burn time of only 10 minutes. It's essential for both visitors and residents to take precautionary measures during these months, such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours. Even during the summer months, with UV levels at 11 to 13, vigilance against skin damage is crucial. Regular monitoring of the UV Index and proper sun safety practices can help mitigate health risks associated with high 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 |
Macaiba | 14 | 14 | 15 | 14 | 13 | 11 | 11 | 12 | 13 | 13 | 14 | 14 |
Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |