Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Coaraci, Brazil, where the sun's rays can be intense due to the tropical Af climate. Awareness of UV levels helps safeguard against sunburn and long-term skin damage, making it essential for maintaining skin health while enjoying outdoor activities. Throughout the day, the UV Index in Coaraci peaks around midday hours with values reaching up to 9, indicating a high risk of harm from unprotected sun exposure. By staying informed about UV levels, you can better protect yourself and your loved ones from potential risks associated with high sun exposure.
As the sun climbs higher in the sky, the UV Index reaches its peak during midday, showcasing a striking pattern in the hourly data. Starting at a modest 1 by 07:00, it gradually escalates, hitting 2 by 08:00. The intensity continues to rise, peaking at a formidable 9 by both 11:00 and 12:00—a clear invitation to slather on the sunscreen! As the afternoon progresses, the index begins to decline, dropping to 7 at 13:00, and gently tapering off to 3 by 15:00. By late afternoon and into the evening, the UV threat recedes, plummeting to 1 at 16:00, and finally fading into 0 from 18:00 onward. This hourly journey underscores the importance of sun safety at 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 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 Index levels demonstrate significant seasonal changes, predominantly remaining in the extreme and very high categories. The high-risk months are concentrated from January to April and August to November, with UV Index values peaking at 15 in February, November, and December. During these months, the burn time is notably low, around 10 minutes, necessitating vigilant sun protection measures. Visitors and residents should take extra precautions during these months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever the UV Index is high to minimize the risk of skin damage.
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 |
| Coaraci | 14 | 15 | 14 | 13 | 10 | 9 | 9 | 12 | 13 | 14 | 15 | 15 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |