Last updated: May 3, 2025
Understanding the UV Index in Araua, Brazil, is crucial for maintaining skin health and preventing sunburn, especially in this tropical climate where UV rays can reach intense levels. Throughout the day, the UV Index in Araua fluctuates, peaking at 11 around noon, indicating a high risk of harm from unprotected sun exposure. Being aware of these levels allows residents and visitors to take appropriate precautions, like wearing sunscreen and protective clothing, to minimize the risk of skin damage. With the sun blazing from early morning until late afternoon, it's essential to stay informed about UV exposure risks to enjoy the beautiful weather safely.
As the sun rises and begins to assert its strength, the UV Index increases rapidly throughout the morning. At 7:00 AM, it starts at a modest 2, but by 9:00 AM, it leaps to a notable 7. The peak intensity hits high noon, with 11 at both 11:00 AM and 12:00 PM, indicating a critical time for sun safety. After that, the index begins to drop, falling to 6 by 2:00 PM and further declining toward the evening, finally reaching 0 by 7:00 PM. This data starkly illustrates the importance of sun protection during the midday hours when UV exposure is at its most dangerous.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 11 | extreme | 10 min |
13:00 | 9 | very high | 15 min |
14:00 | 6 | high | 25 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 |
The UV Index experiences significant fluctuations throughout the year, predominantly remaining in the extreme and very high exposure categories. Notably, the high-risk months span from January to April and August to November, during which the UV Index peaks at 15 in November and hovers around 14 in several other months, indicating a burn time of just 10 minutes. In June and July, although the index decreases to 10, both months are still classified as very high, allowing for a slightly longer burn time of 15 minutes. To safeguard against harmful UV exposure, visitors and residents are advised to wear protective clothing, apply broad-spectrum sunscreen, and seek shade, especially during peak sunlight hours. Emphasizing vigilance in skin protection is crucial, particularly from late spring through to late autumn.
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 |
Araua | 14 | 14 | 14 | 13 | 11 | 10 | 10 | 12 | 13 | 14 | 15 | 14 |
Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |