Last updated: May 3, 2025
Understanding the UV Index in Atalaia, Brazil is crucial for protecting your skin and overall health from the sun's harmful rays. With typical UV levels peaking at 12 around noon, awareness of these metrics can help prevent painful sunburns, reduce the risk of skin cancer, and promote long-term skin health. Atalaia's tropical climate, characterized by high temperatures and intense sunlight, presents unique challenges for sun exposure, making it essential to stay informed about daily UV levels. By checking the UV Index regularly, you empower yourself to make safer choices for outdoor activities and enjoy the beautiful Brazilian sun responsibly.
The UV Index shows a dramatic rise throughout the morning and peaks around 11:00 AM at a striking 12, indicating a high risk of harm from unprotected sun exposure. By 10:00 AM, the index reaches 10, emphasizing the need for sun protection during this timeframe. However, as the afternoon progresses, the UV levels begin to decline, descending to 5 by 2:00 PM and further dropping to 1 by 4:00 PM, before plummeting to 0 after 6:00 PM. For those planning outdoor activities, it’s essential to stay vigilant and protect your skin, especially between 10:00 AM and 2:00 PM, when the sun's rays are at their strongest. Stay safe and enjoy the sun wisely!
| 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 | 12 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 9 | very high | 15 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 |
The UV Index varies significantly throughout the year, with the highest levels occurring from November to March, where it consistently reaches 14 in an extreme exposure category, necessitating a burn time of just 10 minutes. Following this peak, the index slightly dips to 12 in May and August, and then to 10 in June and July, indicating a very high risk level but allowing for slightly longer exposure without burns (up to 15 minutes). In the months of September and October, the index remains elevated at 13. Given these figures, both residents and visitors should be particularly cautious during the high-risk months of November to March, utilizing adequate sun protection measures, such as wearing sunscreen, hats, and protective clothing, to mitigate harmful UV exposure throughout the year.
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 |
| Atalaia | 14 | 14 | 14 | 14 | 12 | 10 | 10 | 12 | 13 | 13 | 15 | 14 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |