Last updated: June 2, 2025
In Terra Nova, Brazil, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels empowers residents and visitors alike to take proactive measures against sunburn and long-term skin damage, especially during the peak hours from 10 AM to 2 PM when the index can soar to 9. With an Aw climate, characterized by hot and humid conditions, the risk of excessive UV exposure is heightened, making it essential to stay informed and safeguard your skin from harmful rays. Whether you're enjoying outdoor activities or simply basking in the sun, knowing the UV Index can help you enjoy a healthier and safer sun experience.
As the sun rises at 07:00, the UV Index begins at a low 1, but by 09:00, it quickly escalates to 5, indicating a need for some sun protection. The day reaches its peak around 11:00 and 12:00, both hitting a maximum of 9, a level that calls for caution if you're planning to be outdoors. By 14:00, the intensity starts to wane to 6, and by 15:00, it drops further to 3. The UV Index continues to decline as the day goes on, hitting 1 by 16:00 and returning to 0 by 18:00, signaling safe conditions for outdoor activities in the evening. Make sure to enjoy the sun wisely during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | 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 |
The seasonal UV changes in our region indicate consistently high levels of ultraviolet radiation. From January to April, the UV Index remains at an extreme level of 15-14 with a burn time of just 10 minutes, signaling that outdoor activities require conscious sun protection. As we move into May and June, the UV Index decreases slightly to 11 and 9 respectively, categorized as very high, yet the burn time extends to 15 minutes, indicating a small relief. However, July and August see a return to extreme levels, with UVs peaking at 12 in August and again a burn time of just 10 minutes. The autumn months of September and October also maintain elevated UV levels, reinforcing the need for protective measures, especially in October when the UV reaches back to an extreme level of 15. As we approach November and December, the extreme risk persists. It's crucial for both visitors and residents to take precautions year-round, such as wearing sunscreen, protective clothing, and limiting sun exposure during peak hours, especially in high-risk months of January through April and from August to October.
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 Nova | 15 | 15 | 15 | 14 | 11 | 9 | 10 | 12 | 13 | 15 | 15 | 15 |