Last updated: May 3, 2025
In Marau, Brazil, understanding the UV Index is crucial for safeguarding your skin and overall health. With the area's tropical climate, residents and visitors face heightened risks of sunburn and long-term skin damage, particularly during peak hours when UV levels soar. For instance, from 10:00 AM to 12:00 PM, the UV Index climbs to a high of 10, signaling extreme exposure and the need for protective measures. By staying informed about the daily UV levels, you can take proactive steps to enjoy the sun safely while minimizing the risk of harmful UV effects.
The UV Index for the day shows a steady climb as the sun rises, hitting its peak between 11:00 AM and 12:00 PM with a maximum value of 10. During this peak period, caution is advised as UV radiation can be extremely harmful. As the afternoon progresses, the index begins a gradual decline, dropping to 8 by 1:00 PM and tapering off to 3 at 3:00 PM. As the sun sets, the UV Index decreases further, reaching 0 by 6:00 PM and remaining there for the evening, signaling a safe time to enjoy outdoor activities without the risk of overexposure. Remember to wear sunscreen and protective clothing during the peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 10 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 8 | very high | 15 min |
14:00 | 6 | high | 25 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, UV levels exhibit significant seasonal variation, with the highest risks occurring during the winter months and late fall. Notably, from January to March and in November, the UV Index remains at a striking 14-15, indicating extreme exposure for only 10 minutes before burn occurs. April follows closely with an index of 13. In contrast, the summer months of May and June present a slightly lower risk with a very high UV Index of 10-9, allowing for longer exposure times of 15 minutes. Visitors and residents are strongly advised to take precautionary measures during high-risk months, particularly by wearing protective clothing, applying sunscreen, and seeking shade when necessary, especially in the peak UV periods of January to March and November.
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 |
Marau | 14 | 14 | 14 | 13 | 10 | 9 | 9 | 12 | 13 | 14 | 15 | 14 |
Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |