Last updated: July 2, 2025
Understanding the UV Index in São João do Paraíso, Brazil is vital for protecting yourself and your loved ones from harmful sun exposure. With high UV levels peaking at 10 around noon, awareness of these numbers can significantly aid in preventing sunburns and maintaining overall skin health. The typical climate of São João do Paraíso, characterized by its warm and sunny conditions, poses increased risks of UV radiation, making it essential for residents and visitors alike to stay informed. By monitoring the UV Index, you can enjoy the outdoors while ensuring your skin remains safe from damaging rays.
The UV Index for the day shows a dramatic rise as the sun climbs higher. Starting at a low 1 at 7:00 AM, the intensity gradually increases, hitting 2 by 8:00 AM. The real surge begins at 9:00 AM, peaking at an impressive 10 around 12:00 PM—the optimal time for sun safety reminders. As the afternoon unfolds, the index dips to 9 at 1:00 PM, then descends further to 4 by 3:00 PM. By the day's end, the index returns to a negligible 0 after 6:00 PM. It's clear that midday sun protection is essential, particularly between 11:00 AM and 1:00 PM when UV exposure is at its highest. Stay safe and enjoy the sunshine!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | 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 | 6 | high | 25 min |
| 15:00 | 4 | 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 |
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 |
| Sao Joao do Paraiso | 16 | 15 | 14 | 13 | 11 | 9 | 10 | 12 | 13 | 15 | 15 | 16 |