Last updated: July 2, 2025
In Marapanim, Brazil, staying informed about the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding the UV levels throughout the day can significantly aid in preventing sunburn and promoting overall skin health. With a tropical climate that often leads to elevated UV levels, particularly during the midday hours, residents and visitors alike should be aware of the risks. For instance, the UV Index in Marapanim peaks at a high of 12 around noon, necessitating extra precautions to enjoy the sun safely. By monitoring the UV Index, you can make informed decisions about sun protection and outdoor activities, ensuring a healthier experience in this vibrant locale.
The UV Index throughout the day presents an interesting pattern as the sun rises and reaches its peak intensity. Starting at a mere 1 at 7:00 AM, it climbs slowly, hitting 2 by 8:00 AM. However, the real surge occurs as the day progresses, with a sharp increase to 5 by 9:00 AM. By 11:00 AM, you'll want to ensure proper sun protection, as it peaks at 10. The intensity reaches its highest point of 12 at 12:00 PM, suggesting maximum caution is needed. As the afternoon rolls on, the index begins to wane, dropping to 9 at 2:00 PM and then steadily declining to 3 by 4:00 PM. Finally, the UV exposure diminishes significantly as the day winds down, returning to a safe 1 by 7:00 PM and 0 by 8:00 PM. Be sure to enjoy the sun wisely!
| 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 | 10 | very high | 15 min |
| 12:00 | 12 | 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 annual UV Index exhibits extreme levels from January to May, peaking at a UV Index of 16 during both March and April, making these months particularly high-risk for sunburn with a burn time of just 10 minutes. Although there is a slight decrease in June and July, the UV Index remains significant, hovering around 12 to 13 through the late summer and into the fall. As such, visitors and residents are advised to take proactive precautions during these high-risk months, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during peak sun hours. Awareness of these seasonal UV changes is crucial for outdoor safety 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 |
| Marapanim | 14 | 15 | 16 | 16 | 14 | 12 | 12 | 13 | 13 | 13 | 13 | 13 |