Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Tabatinga, Brazil, where tropical temperatures often lead to high UV exposure. As you navigate the warm, humid climate typical of this region, being aware of UV levels helps in preventing sunburn and maintaining overall skin health. With midday readings reaching as high as 7, it’s essential to take precautions against the harmful effects of the sun, especially during the peak hours from 10 AM to 2 PM. Staying informed about the UV Index not only safeguards your skin but also enhances your enjoyment of the beautiful outdoor experiences Tabatinga has to offer.
The UV Index data for the day reveals a notable peak around noon, reaching a maximum of 7, indicating a high level of sun exposure. The morning begins with a mild index, starting at 1 at 07:00 and 08:00. By 09:00, it rises to 2, slowly climbing to 4 by 10:00. The intensity escalates significantly by 11:00 and hits its zenith at 12:00. After that, the UV levels gradually decline, dropping to 6 at 13:00 and 5 at 14:00, before falling to 3 by 15:00. As the evening approaches, the UV Index decreases rapidly, returning to 1 by 16:00 and reaching 0 by 18:00, signaling an end to the sun's harmful rays for the day. Remember to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 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 |
The UV Index shows significant seasonal fluctuations, with the highest values typically between January and April, where the index remains in the extreme category (ranging from 15 to 16) and a quick burn time of just 10 minutes. This trend continues into September and October, maintaining extreme levels. May sees a shift to very high (UV Index 8) and a slightly longer burn time of 15 minutes, while June to August presents lower but still concerning values, categorized as high and very high (up to 10), with burn times extending to 25 minutes. November and December revert to extreme levels. Visitors and residents are advised to take necessary precautions during these high-risk months, particularly from January to April and again in September to November, by wearing protective clothing, applying sunscreen frequently, and limiting sun exposure, especially during peak hours.
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 |
| Tabatinga | 15 | 16 | 13 | 11 | 8 | 7 | 8 | 10 | 11 | 13 | 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 |