Last updated: June 2, 2025
In Iranduba, Brazil, staying informed about the UV Index is crucial for protecting your skin and overall health. With the region's tropical climate, exposure to harmful ultraviolet rays can lead to serious skin issues, including sunburn and long-term damage. Understanding UV levels is essential for prevention, especially when you consider the peak UV Index can reach as high as 12 around midday—indicating extreme risk. Being aware of these fluctuations not only helps in planning safe outdoor activities but also promotes better skin care practices year-round.
The UV Index climbs steadily throughout the morning, starting at a mild level of 1 at 7:00 AM. As the sun rises higher, it reaches a moderate intensity of 3 by 8:00 AM, before surging to a high of 5 by 9:00 AM. The peak intensity is reached at 12:00 PM with an extreme level of 12, indicating a significant risk for unprotected sun exposure. From there, it steadily declines through the afternoon, dropping to 5 at 3:00 PM and falling to 0 by 7:00 PM. This data emphasizes the importance of sun safety during the midday hours when the UV Index is at its highest. Remember to wear sunscreen and protective gear during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 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 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit only slight variations, predominantly remaining in the extreme exposure category, indicating a consistent risk for sunburn. The months of January to April stand out with notably high UV Index readings peaking at 16, marking them as pervasive high-risk periods. Even in the months leading into winter, from May to December, the UV Index stays within the range of 11 to 13, maintaining a burn time of just 10 minutes for unprotected skin. Visitors and residents are strongly advised to take precautionary measures, including wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours, particularly in the high-risk months of February to April. Remember, even on cloudy days, UV rays can take a toll on your skin, so remain vigilant year-round.
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 |
Iranduba | 14 | 16 | 16 | 16 | 13 | 12 | 11 | 11 | 13 | 13 | 13 | 13 |