Last updated: June 2, 2025
Awareness of the UV Index in Afua, Brazil is crucial for maintaining skin health and preventing sunburn. Particularly in this tropical corner of the Amazon, understanding UV levels helps residents and visitors alike take necessary precautions when the sun is at its peak. With a climate characterized by high humidity and a UV Index that can reach an intense 12, midday sun poses significant risks. By recognizing the varying UV levels throughout the day—from a mild 1 at dawn to a punishing 10 by noon—individuals can better protect themselves and enjoy the vibrant outdoor lifestyle that Afua has to offer.
The UV Index tomorrow will experience a sharp ascent, beginning with a modest 1 at 07:00. As the sun rises higher, expect a steady increase, peaking at an intense 12 by noon. This midday high presents a strong risk of harm from unprotected sun exposure, with careful precautions recommended. The afternoon sees the index gradually descend, dropping to 6 by 15:00 and down to 1 by 17:00, signaling a cooling off as the day winds down. As evening approaches, the UV levels dip to 0 after sunset, making for a safe time to enjoy the outdoors without worry. Remember to protect your skin during peak hours, especially between 10:00 and 14:00!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 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 UV Index demonstrates significant seasonal variations, with the highest values occurring from January to April, peaking at 16, indicating an extreme exposure category and a mere 10-minute burn time for unprotected skin. Throughout the year, the high-risk months remain consistent, with the UV Index consistently at 13 or above from January to May and returning to 13 from August to December, signifying continued high risk even in the latter part of the year. Visitors and residents are advised to exercise extreme caution during all months, especially from January to April, by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade to minimize harmful exposure to UV radiation.
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 |
Afua | 14 | 15 | 16 | 16 | 14 | 12 | 11 | 13 | 13 | 13 | 13 | 13 |