Last updated: June 2, 2025
Understanding the UV Index in Pio IX, Brazil, is essential for protecting your skin and overall health. With high UV levels during the peak hours of 10:00 AM to 2:00 PM, reaching an alarming maximum of 11, awareness of these risks can help you prevent sunburn and long-term skin damage. Given Pio IX's semi-arid climate, where sunny days are the norm, it's crucial to stay informed about UV exposure to enjoy the outdoors safely. Keep an eye on the UV Index to ensure that your sun protection measures are in place, allowing you to relish the beauty of Pio IX while safeguarding your skin health.
At 07:00, the UV Index starts low at 1, gradually climbing to 3 by 08:00. As the sun rises higher, the intensity surges, peaking at a striking 11 by 11:00 and remaining at that level until 12:00. The afternoon sees a slight decrease, with the index slipping to 10 by 13:00 and then further to 7 at 14:00. By mid-afternoon, the UV Index does a dramatic drop to 4 at 15:00, and by 16:00, it falls back to 1. The sun begins to set, leading to a complete reduction, bringing UV levels down to 0 by 19:00. This data illustrates a typical day of high UV exposure during the midday hours, highlighting the importance of sun protection at peak times.
| 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 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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 remains notably high year-round, with values frequently reaching extreme levels. January through April shows consistent UV Index values of 14 to 15, indicating an extremely high risk of harm from unprotected sun exposure. As we move into the summer months of May and June, the Index drops slightly to 11-12, but the exposure risk remains serious. July and August maintain an index of 11-13, making these months still very concerning for sun safety. Notably, November and December experience a resurgence back to 14. Given the persistent risk throughout the year, it’s crucial for visitors and residents to take precautionary measures against UV exposure, such as wearing protective clothing, using high-SPF sunscreen, and seeking shade, especially during peak sun hours. Remember, even on cloudy days, harmful UV rays can penetrate and cause skin damage. Stay safe!
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 |
| Pio IX | 15 | 14 | 15 | 14 | 12 | 11 | 11 | 13 | 13 | 13 | 14 | 14 |