Last updated: May 3, 2025
In Barras, Brazil, staying informed about the UV Index is essential for protecting your skin and overall health. The levels of UV radiation can vary significantly throughout the day, with peak exposure reaching a high of 13 around noon. Understanding these fluctuations helps residents and visitors alike avoid the painful consequences of sunburn and long-term skin damage. With Barras' tropical climate, where sunny days are frequent, awareness of UV levels is particularly crucial to ensure safe outdoor activities and maintain healthy skin. Stay proactive about your sun safety and embrace the beauty of Barras while keeping your skin protected!
The UV Index data reveals a dramatic transformation throughout the day. Early in the morning, at 07:00, the UV Index starts at a minimal 1, but by 09:00, it skyrockets to 7, indicating a rise in sun intensity. The peak occurs between 11:00 and 12:00, where it reaches its zenith at an impressive 13, showcasing the potential for skin damage without protection. As the afternoon progresses, the index gradually declines, with values dropping to 4 by 15:00 and further dwindling to a 0 by 19:00. This pattern highlights the importance of sun safety during the midday hours when UV radiation is most potent, urging us to embrace the shade and apply sunscreen accordingly.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 4 | 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 |
The UV Index shows an extreme risk of harm from unprotected sun exposure throughout the year, with very high levels observed from January to March, peaking at 16 in March. This indicates that the sun’s rays can cause skin burn in as little as 10 minutes. April maintains a high UV Index of 15, and while there is a slight decrease in June and July (both at 11), the exposure risk remains severe. August and September return to a UV Index of 13, continuing the call for diligent sun protection. As October progresses to 12 and into the late autumn months, visitors and residents should still remain vigilant, especially since November and December retain a UV Index of 13. To minimize risk, it is essential for everyone to apply sunscreen, wear protective clothing, and seek shade during peak sun hours throughout all seasons.
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 |
| Barras | 14 | 14 | 16 | 15 | 13 | 11 | 11 | 13 | 13 | 12 | 13 | 13 |