Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Terra Santa, Brazil, where the strong sun can pose significant risks to skin health. Understanding the daily fluctuations in UV levels helps in preventing sunburn and protecting against long-term skin damage, especially during the peak hours when the Index reaches a maximum of 12 around midday. Given Terra Santa's tropical climate, characterized by high temperatures and intense sunlight, being informed about UV exposure is essential for enjoying outdoor activities safely. With thoughtful planning and protective measures, you can enjoy the beautiful days while keeping your skin healthy!
The UV Index throughout the day reveals a dynamic shift in sun strength. Starting off with a gentle maximum of 1 at both 07:00 and 08:00, the intensity begins to rise, reaching a moderate level of 3 by 09:00. As the clock strikes 10:00, the index leaps to 6, and by 11:00, it surges to 9, indicating increasing caution is needed. The day peaks at a scorching 11 at 12:00 and reaches its zenith with an astounding 12 at 13:00. A gradual decline follows, with levels dropping to 10 at 14:00, then 7 at 15:00, and finally settling back to 4 at 16:00. As the sun starts to set, the index plummets to 2 at 17:00, then quiets to 1 by 18:00, before dropping to 0 at 19:00. Be sure to take care during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index in our region remains consistently high throughout the year, with January through April demonstrating the most extreme levels, peaking at 16. This period signifies high-risk months for sun exposure, where a burn can occur in just 10 minutes. Following this, the UV Index slightly decreases in June and July, though it remains at an extreme level of 11-12. As we move into the fall and winter, the UV Index stabilizes around 13, maintaining a high risk for skin damage. Visitors and residents are advised to take precautions year-round, such as wearing protective clothing, applying sunscreen, and seeking shade, particularly from January to April, when UV exposure is at its most hazardous. Stay vigilant and protect your skin to enjoy the outdoor activities safely.
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 |
| Terra Santa | 15 | 16 | 16 | 16 | 13 | 12 | 11 | 12 | 13 | 13 | 13 | 13 |