Last updated: May 3, 2025
Being aware of the UV Index in Fernando de Noronha (Distrito Estadual), Brazil, is crucial for safeguarding your skin health and preventing sunburn. Understanding the daily UV levels not only helps in planning outdoor activities but also raises awareness about the long-term risks of skin damage. Known for its stunning beaches and tropical climate, Fernando de Noronha experiences significant UV exposure throughout the day, peaking at an intense 13 around noon. With this knowledge, locals and visitors alike can take proactive steps to enjoy the sun safely while reveling in the natural beauty this island paradise offers.
As the sun rises, the UV Index begins to climb, starting at a mild 1 by 7:00 AM. By 8:00 AM, it jumps to 3, indicating a gradual increase in sun intensity. The real heat sets in around 10:00 AM, peaking at an impressive 9. As the clock strikes noon, the UV Index reaches its maximum of 13, highlighting the critical need for sunscreen and protective clothing. The afternoon sees a slight decline, with values of 12 at 1:00 PM and 9 at 2:00 PM, before dipping to 6 at 3:00 PM. As the day winds down, the UV Index steadily falls, dropping to 3 by 4:00 PM, and finally back to 1 and 0 by 5:00 PM and 6:00 PM, respectively, signaling a safe end to solar exposure for the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index data reveals that from January to April, there is a consistently high risk of UV exposure, peaking at 15 in March and April. May shows a slight decline to 13, but the risk remains extreme throughout these months with a burn time of just 10 minutes. As we transition into summer, June and July maintain an index of 11, while August sees a slight rise to 12. The UV levels remain notably high into the fall, with September to November averaging 13. Visitors and residents should take precautions during these high-risk months, particularly from January through April and again in September to November, by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize the risk of skin damage.
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 |
| Fernando de Noronha (Distrito Estadual) | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |