Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Buritis, Brazil, where the sun's rays can be particularly strong, especially during the midday hours. With UV levels peaking at a significant 10 at noon, awareness of potential sun exposure is vital for preventing sunburn and maintaining overall skin health. Given Buritis' tropical climate, residents should be mindful of these risks, as high UV index readings highlight the importance of protective measures like sunscreen and appropriate clothing during peak sun hours. Stay informed and enjoy the sun safely!
The hourly UV Index reveals a dynamic range of sun exposure today. Starting off at a gentle 1 at 7:00 AM, the index steadily climbs, peaking at a striking 10 by 12:00 PM—the peak exposure time. As the sun reaches its zenith, caution is advised for outdoor activities during the 11:00 AM to 1:00 PM window when the index remains high at 9 and 10. Following this midday surge, the index gracefully descends; by 3:00 PM, it dips to 4 and continues to decline to 1 by 5:00 PM. Finally, after a brief respite, the UV rays fade to 0 by 6:00 PM, signaling a safe return for evening outdoor plans. Stay sun-smart and enjoy the day wisely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal changes, with the highest values recorded during the winter and early spring months. January through April see extreme UV levels, peaking at 17 in January, with a brief burn time of only 10 minutes across these months. In May, while slightly lower at 11, the risk remains extreme, requiring vigilance. The summer months, June and July, bring a shift to a very high category with UV Index values of 9 and 10, respectively, allowing for a marginal increase in burn time to 15 minutes. As we transition back to August and into early fall, the UV Index climbs back to extreme levels, reaching 12, before tapering off to less dangerous levels in October and November, with Index values still in the extreme range. Visitors and residents are strongly advised to take precautions during high-risk months, ensuring proper sun protection, such as wearing SPF sunscreen, protective clothing, and seeking shade during peak hours, especially when the UV Index exceeds 10, to mitigate harmful effects from sun exposure.
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 |
| Buritis | 17 | 16 | 14 | 13 | 11 | 9 | 10 | 12 | 13 | 14 | 15 | 16 |