Last updated: July 2, 2025
In Santa Maria do Suaçui, understanding the UV Index is crucial for protecting your skin health and preventing sunburn year-round. With a typical climate characterized by warm, sunny days in this Aw zone, residents and visitors alike face varying levels of UV exposure. During peak hours, especially between 10:00 AM and 1:00 PM, UV levels can soar to 9, indicating a significantly high risk for harm. Being aware of these levels empowers you to take necessary precautions, ensuring you enjoy the beautiful outdoors while keeping your skin safe from the sun’s harmful rays.
The UV Index data for today reveals a steady climb in ultraviolet exposure as the sun rises. Starting at a mild 1 at 07:00, the index escalates to 2 by 08:00, before witnessing a significant jump to 4 at 09:00. The peak occurs around 12:00, where it reaches 9—a strong signal to take protective measures against sun damage. After this midday high, the UV Index begins to drop, descending to 6 at 14:00, before dwindling further to 3 by 15:00. The evening hours bring a dramatic decline, with 1 at 16:00 and tapering off to 0 by 19:00. This data highlights the importance of sun safety during peak hours, particularly between 11:00 and 13:00.
| 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 | 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 |
Throughout the year, the UV Index displays significant seasonal variations, with extreme levels dominating the winter and late fall months. From January to April, the UV Index fluctuates between 14 and 16, indicating an extreme exposure category with a rapid burn time of just 10 minutes. As we transition into spring, May and June see a decrease to a very high category (UV Index of 8 to 9), allowing for slightly longer exposure times at 15 minutes. July and August return to extreme levels, particularly in August with an Index of 11, before dropping back to extreme levels in September (UV Index 12) and returning to the highest extremes from October to December. Consequently, high-risk months include January through April and August through November. Residents and visitors are strongly advised to take precautions during these periods, such as seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the risk of UV 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 |
| Santa Maria do Suacui | 16 | 15 | 14 | 12 | 9 | 8 | 9 | 11 | 12 | 14 | 15 | 15 |
| 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 |