Last updated: June 2, 2025
In Minacu, Brazil, awareness of the UV Index is crucial for maintaining healthy skin and preventing sunburn. With the region's Aw climate characterized by significant sunlight exposure, understanding UV levels can help you make informed choices about outdoor activities. During the peak hours, especially between 10 AM and 2 PM, UV levels can reach 9, indicating a high risk of harm to unprotected skin. By keeping an eye on the UV Index, residents and visitors alike can safeguard their skin health and fully enjoy the beautiful, sunlit days the region has to offer.
Throughout the day, the UV Index displays a dynamic pattern of intensity, peaking at 12:00 PM with a value of 9, indicating a high risk of harm from unprotected sun exposure. Early in the morning, from 07:00 to 09:00, the index remains low, starting at 1 and rising to 4. As the sun climbs higher, the intensity escalates rapidly; by 10:00 AM, it reaches 6, before hitting its crescendo at 11:00 AM with an 8. The afternoon holds steady, with a slight decline to 7 by 02:00 PM, then tapering off as the sun begins its descent. By 16:00 PM, the index drops to 2, and by the evening, it falls to 0 after 18:00 PM. This data highlights the importance of sun protection during peak hours, particularly between 11:00 AM and 02:00 PM. Stay safe and enjoy the sunshine 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 | 8 | very high | 15 min |
| 12:00 | 9 | 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 varies significantly, indicating a notable pattern in sun exposure risks. From January through April, the UV Index remains exceptionally high, peaking at 16 in January and December and consistently falling within the extreme exposure category with a burn time of just 10 minutes. The risk continues into August and September, where the index returns to similar extreme levels, notably at 13 in September. June and July see a slight reduction to a very high exposure category, with a burn time lengthening to 15 minutes but still demanding caution. May serves as a transitional month with an index of 11, indicating high risk but less severe than preceding months. As summer gives way to autumn and winter, the high-risk months for sun exposure remain predominantly in the winter through early spring and late summer into early fall. Visitors and residents should take proactive measures during these peak months, including wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade during peak sun hours to minimize the risk of sunburn and 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 |
| 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 |
| Minacu | 16 | 15 | 14 | 13 | 11 | 9 | 10 | 12 | 13 | 15 | 15 | 16 |