Last updated: July 2, 2025
In Uarini, Brazil, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn, especially given the region's tropical climate characterized by strong sunlight and high UV exposure. The UV Index in Uarini can reach extreme levels, peaking at 11 during midday hours, making it essential to understand UV levels and take appropriate precautions. From enjoying outdoor activities to ensuring your skin's long-term health, knowing when to seek shade or apply sunscreen is vital for everyone, especially in this vibrant locale where the sun shines brightly almost year-round.
At dawn, the UV Index starts at a gentle 1 by 7:00 AM, gradually rising as the sun climbs higher in the sky. By 9:00 AM, it reaches a moderate 4, urging early risers to stay vigilant. The intensity peaks at noon, hitting a scorching 11, indicating a high risk of harm from unprotected sun exposure. This peak continues until 1:00 PM, where it remains at 11 before beginning its descent. The afternoon sees a noticeable drop, with the index falling to 6 by 3:00 PM and further decreasing to 3 by 4:00 PM. As the day winds down, the UV Index drops to a safe 1 by 5:00 PM and finally falls to 0 by 7:00 PM, signaling the end of the sun's powerful rays. Stay informed and protect your skin during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The seasonal UV index data indicates that the area experiences extreme UV exposure throughout the year, with the highest values recorded in February (15) and March (16). Notably, the months of January through May consistently show a UV Index of 14 or higher, marking these as high-risk months for sunburn, with an incredibly short burn time of just 10 minutes. Although the UV Index slightly decreases during the summer months, values remain elevated, particularly in July (11) and August (12). Visitors and residents are advised to take preventive measures year-round, including wearing broad-spectrum sunscreen, protective clothing, and avoiding direct sun exposure during peak hours, especially from January to May.
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 |
Uarini | 14 | 15 | 16 | 16 | 14 | 12 | 11 | 12 | 13 | 14 | 13 | 13 |