Last updated: May 3, 2025
Awareness of the UV Index is crucial for residents and visitors of Tres Lagoas, Brazil, where the sun shines brightly throughout much of the year. Understanding UV levels not only helps in the prevention of painful sunburns but also plays a significant role in maintaining long-term skin health. With a tropical climate marked by high UV exposure, especially between 10 AM and 2 PM when the index peaks at 8, it’s essential to stay informed and take precautionary measures. Protect yourself and enjoy the vibrant outdoors of Tres Lagoas while keeping skin safety at the forefront!
Throughout the day, the UV Index reveals a notable peak from 11:00 AM to 12:00 PM, hitting a maximum of 8, indicating a high level of ultraviolet radiation. Early in the morning, at 07:00, the index starts low at 1, gradually increasing to 5 by 09:00. By 10:00, it escalates to 7, making the sun's rays more intense. After reaching its midday high, the UV levels begin to drop, falling to 6 by 1:00 PM, and tapering off to 4 at 2:00 PM. The afternoon offers some relief, with the index decreasing to 2 by 3:00 PM, and finally returning to a minimal 1 at 4:00 PM before sinking to 0 from 5:00 PM onward. It's a clear reminder to take necessary precautions during those peak hours when UV exposure is at its most damaging.
| 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 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 0 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The seasonal UV changes indicate that exposure levels are consistently high, particularly from January to April, where the UV Index remains in the extreme category, peaking at 16 in February and December. High-risk months include January, February, March, April, September, October, and November, as they all feature an extreme UV Index that can lead to sunburn in as little as 10 minutes. Conversely, the summer months of May, June, July, and August experience a drop to very high and high categories, with slightly longer burn times of 15 to 25 minutes. Visitors and residents should take precautions during all months, especially in extreme UV conditions, by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen to minimize the risk of skin damage.
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 |
| Tres Lagoas | 15 | 16 | 13 | 11 | 8 | 7 | 8 | 10 | 12 | 14 | 14 | 16 |
| 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 |