Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Careiro da Varzea, Brazil, where the tropical climate brings high levels of UV radiation, especially during midday hours. With UV Index values peaking at 11 around noon, awareness of these levels is vital for sunburn prevention and overall skin health. As you navigate your day in this vibrant region, knowing when to seek shade or don protective gear can significantly reduce your risk of skin damage. Stay informed about the UV Index to enjoy the sun safely while engaging in outdoor activities in beautiful Careiro da Varzea!
At dawn, the UV Index is a gentle 1 at 7:00, gradually rising to 2 by 8:00, signaling a mild start to the day. As the sun climbs higher, the index makes a noticeable leap to 5 at 9:00, reaching a peak of 11 at noon. This intense level of UV radiation emphasizes the importance of sun protection during midday hours. The afternoon sees a gradual decline, with values dropping to 10 at 1:00 and tapering to 5 by 3:00. As evening approaches, the UV Index dwindles, resting at a cool 2 by 4:00, then falling to 1 at 5:00, and finally dipping to 0 after 6:00. It's a vivid reminder that when it comes to UV exposure, timing is everything!
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 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 10 | very high | 15 min |
14:00 | 7 | high | 25 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 |
The UV Index displays extreme levels throughout the year, peaking at 16 from January to April, indicating a high-risk period for sun exposure. Visitors and residents should take extra precautions, as the burn time is only 10 minutes during these months. May to November shows slightly decreased UV levels, ranging from 11 to 13, still falling within the extreme category, emphasizing the need for continued vigilance against sun exposure. December sees a small decline to a UV Index of 14, but precautions remain essential. To protect your skin, it is crucial to seek shade, wear protective clothing, and apply broad-spectrum sunscreen frequently, especially during these high-risk months.
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 |
Careiro da Varzea | 15 | 16 | 16 | 16 | 13 | 12 | 11 | 11 | 12 | 12 | 13 | 14 |