Last updated: May 3, 2025
In Tome Acu, Brazil, being aware of the UV Index is crucial for safeguarding your skin health and preventing sunburn. With intense midday sun typical of its tropical climate, residents and visitors alike need to understand the daily fluctuations in UV levels, especially when they peak between 11:00 AM and 1:00 PM with values soaring to 13. By monitoring these levels, you can take proactive steps to protect yourself from harmful UV radiation and enjoy the beautiful outdoors without compromising your skin's safety. Knowledge of the UV Index empowers you to make informed decisions, ensuring that your adventures in Tome Acu remain both enjoyable and safe!
The UV Index throughout the day exhibits a striking pattern, starting off at a mild level of 1 at 07:00, gradually increasing to 2 by 08:00. As the sun climbs higher, the index surges to 5 at 09:00, and then hits a peak of 13 at 12:00. The sun is its strongest around 11:00 and 12:00, with values of 12 and 13 respectively, indicating a high risk of harm from unprotected sun exposure. After this zenith, the index starts to taper off, dropping to 10 at 14:00, and further declining to 6 by 15:00. The afternoon brings relief, with levels dropping to 3 at 16:00 and settling at 1 by the evening hours after 17:00, culminating in a UV Index of 0 by 19:00. This clear trend underscores the importance of sun safety during the peak hours of the day.
| 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 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits extreme levels, peaking at 16 in both March and April, indicating significant risks for sun exposure. The high-risk months extend from January to April, where the UV Index reaches 14-16, meaning a burn can occur in as little as 10 minutes of unprotected exposure. Even in the summer months, the UV Index remains notable, ranging from 11 to 13, particularly in June and September. It is crucial for visitors and residents alike to take preventative measures, such as wearing protective clothing, applying sunscreen with high SPF, and seeking shade during peak sunlight hours, to reduce the risk of skin damage and long-term health issues.
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 |
| Tome Acu | 14 | 14 | 16 | 16 | 13 | 12 | 11 | 12 | 13 | 13 | 13 | 13 |