Last updated: July 2, 2025
In Palmas, Brazil, understanding the UV Index is crucial for protecting your skin and overall health. As a city nestled in a tropical climate, Palmas experiences high UV levels, especially during midday hours, making awareness about sun exposure all the more vital. The UV Index can soar to 10 from 12:00 PM to 1:00 PM, indicating a very high risk of harm from unprotected sun exposure. By familiarizing yourself with these UV levels, you can take proactive steps to prevent sunburn and reduce the long-term risks of skin damage. Stay informed, enjoy the sunny days, and keep your skin healthy!
The UV Index throughout the day showcased a dynamic pattern, peaking sharply during the midday hours. Beginning at a low of 1 at 07:00, it steadily climbed, reaching 2 by 08:00. A significant surge occurred between 09:00 and 12:00, where it soared to an impressive 10 at its highest, indicating very high exposure risk. The intensity began to wane post-lunch, dropping to 8 at 14:00, and declining further to 5 and then 2 by late afternoon. As evening approached, the index fell to 1 at 17:00 and eventually settled at 0 after 18:00, signaling a retreat from the sun's harmful rays. If you’re planning outdoor activities, the peak hours, particularly between 11:00 and 13:00, call for protective measures!
| 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | 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, UV Index levels in the region exhibit significant fluctuations, with January through April experiencing extreme exposure categories (UV Index 16-14) and a consistently short burn time of just 10 minutes. As we transition into late spring and early summer (May to July), the UV Index drops slightly, with a peak of 12 in August while still categorizing as extreme and requiring similar caution. Notably, June and July showcase a lower risk (UV Index 10, very high) with a burn time of 15 minutes. In contrast, the late fall and early winter months (September to December) revert back to an extreme exposure classification, with November and December reflecting a UV Index of 15. To protect yourself during high-risk months, especially from January to April and again in late summer and winter, it is crucial for visitors and residents to take proactive measures: apply broad-spectrum sunscreen, wear protective clothing, and limit sun exposure 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 |
| 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 |
| Palmas | 16 | 15 | 15 | 14 | 12 | 10 | 10 | 12 | 13 | 14 | 15 | 15 |