Last updated: May 3, 2025
Being aware of the UV Index is crucial for residents of Almeirim, Brazil, where the tropical climate can lead to elevated sun exposure. Understanding UV levels is essential for preventing sunburn and maintaining skin health, particularly during peak hours when the index can reach a sweltering 13. With a climate characterized by ample sunshine and humidity, Almeirim’s unique weather conditions present significant UV exposure risks. Stay informed and protect your skin by monitoring the UV Index daily—your health will thank you!
The UV Index throughout the day showcases a fascinating journey of sunlight intensity. Starting at 7:00 AM, the index is a mild 1, rising steadily as the sun climbs higher. By 9:00 AM, it reaches 5, but the real peak occurs between 11:00 AM and 1:00 PM, where it soars to a striking 13—a potent reminder to seek shade and don sunscreen. As the afternoon progresses, the intensity begins to wane, dropping to 7 by 3:00 PM before declining further to 1 by 5:00 PM. Finally, the day concludes with a soothing 0, signaling a retreat of the sun’s rays. It's a vivid demonstration of how the sun’s power evolves, urging us to embrace protection during its zenith.
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 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 7 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
From January through April, the UV Index remains extremely high, peaking at 16, indicating that the risk of harm from unprotected sun exposure is significant, with a minimal burn time of just 10 minutes. The high-risk months continue into May and June, where the UV Index gradually decreases but still maintains an extreme rating, allowing only a 10-minute safe exposure period. Visitors and residents should remain vigilant, especially during these months, wearing protective clothing, applying sunscreen, and seeking shade when outdoors. As summer transitions into autumn, the UV Index remains high through September and October but begins to gradually lower by November. Regardless of the month, it is crucial for everyone to stay informed and take necessary precautions to protect skin health throughout the year.
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 |
Almeirim | 15 | 15 | 16 | 16 | 13 | 12 | 11 | 12 | 13 | 13 | 14 | 13 |