Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Tefé, Brazil, as it plays a vital role in safeguarding skin health and preventing sunburn. With a tropical rainforest climate that boasts high temperatures and humidity, Tefé is no stranger to elevated UV exposure, especially during peak daylight hours when the index can reach a potentially harmful 13. By familiarizing yourself with the UV levels throughout the day, you can make informed decisions to protect your skin from damage, enjoy the sun safely, and fully embrace the beauty of this vibrant Amazonian region.
Under the sun's watchful gaze, the UV Index rises sharply throughout the morning, starting at a modest 1 at 07:00 before climbing to a substantial 9 by 10:00. The peak intensity hits at 12:00, reaching an impressive 13—a clear reminder to protect the skin during midday hours. As the afternoon progresses, the index begins to taper off, descending to 10 by 14:00, then falling to 6 at 15:00. After that, a gentle decline leads us back to 1 by 17:00 and 0 by 19:00, as the sun sets and the day winds down. Stay vigilant, as these numbers highlight the importance of sunscreen and shade when the sun is at its strongest!
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 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 10 | 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 |
Throughout the year, the UV Index in this region remains notably high, particularly during the first half of the year. January through April showcases an extremely high UV Index, peaking at 16, signaling the highest risk months for UV exposure. February and March maintain this level, emphasizing the need for vigilance. Even as summer progresses, the UV Index ranges from 11 to 13 from July through November, indicating a constant risk of sunburn within just 10 minutes of exposure. As such, it is crucial for both visitors and residents to take protective measures year-round, including wearing sunscreen, seeking shade, and wearing protective clothing, especially from January to April when the risk is at its most extreme.
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 |
Tefe | 14 | 15 | 16 | 16 | 13 | 12 | 11 | 12 | 13 | 14 | 13 | 13 |