Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Quijingue, Brazil, as it plays a significant role in safeguarding skin health and preventing harmful sunburns. With the region's tropical climate characterized by strong sunshine, awareness of UV levels can help you enjoy the outdoors safely. Notably, during peak hours, particularly between 10:00 AM and 2:00 PM, the UV Index soars, reaching highs of 12—indicating extreme exposure risks. By staying informed about the UV Index, you can take proactive measures to protect yourself and your loved ones from the adverse effects of sun exposure.
The UV Index paints a vivid picture of sun intensity throughout the day. Starting off at a low of 1 at 07:00, it gently climbs to a moderate 3 by 08:00. As the sun reaches its peak around 10:00, the index soars to a top value of 10, indicating very high levels of UV radiation. This intensity persists, hitting a peak of 12 by 11:00, before gradually tapering off to 9 at 13:00. The afternoon offers some respite as the UV Index dips to 6 at 14:00, and continues its decline, reaching 3 at 15:00. By evening, the UV Index falls back to 1 at 16:00 and 17:00, before finally fading to 0 around 18:00 and 19:00. It's a reminder to stay sun-safe during the peak hours, particularly between 10:00 and 13:00.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | 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 | 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 |
Throughout the year, UV Index levels demonstrate significant seasonal variations, with high-risk months primarily falling between January and March, where the UV Index consistently exceeds 12 and remains in the extreme exposure category. Notably, March reaches a peak UV Index of 15. April to June sees a slight decrease, with the Index dropping to a very high level of 10 in June and July, allowing for longer burn times of 15 minutes during these months. As summer fades into late summer and early fall, August and September return to extreme levels of 12 and 13 respectively, while October through December also feature high values (between 14 and 15). To protect against skin damage, it is advisable for visitors and residents to take extra precautions during high UV Index months by seeking shade, wearing protective clothing, and applying sunscreen regularly, especially during peak hours of outdoor activity.
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 |
| Quijingue | 14 | 14 | 15 | 13 | 12 | 10 | 10 | 12 | 13 | 14 | 15 | 14 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |