Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Conceição do Almeida, Brazil, where sunny days are the norm in its tropical Af climate. As UV levels can rise significantly, peaking at a striking 11 around midday, being aware of these fluctuations is vital for preventing sunburn and protecting your skin health. With the sun's intensity often reaching high levels, especially during the late morning and early afternoon, knowing the UV Index can empower you to take necessary precautions, ensuring enjoyable and safe outdoor activities. Stay informed, stay protected, and enjoy the beautiful Brazilian sunshine!
During the day, the UV Index experiences a dynamic fluctuation. Starting from a calm 1 at 07:00, it rises steadily, peaking at an intense 11 by 11:00, indicating a high risk of harm from unprotected sun exposure. As the clock hits 12:00, it slightly drops to 10, but remains within the very high range. The afternoon sees a gradual decline, dropping to 6 by 14:00, and further down to 3 by 15:00, signaling a safer environment for outdoor activities. As the sun sets, the index plummets to 1 by 16:00 and ultimately reaches 0 by 18:00, leaving a serene evening ahead. Always remember to protect your skin when the UV Index is high!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | 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 |
The UV Index displays significant seasonal variations, with extreme ratings of 14 occurring from January to April, and again in October and November. The high-risk months for UV exposure include January, February, March, October, and November, where the burn time is notably low at just 10 minutes. The summer months, June and July, experience a slight decrease in UV intensity to 9 and 10, respectively, categorized as very high, allowing for a slightly longer burn time of 15 minutes. Visitors and residents are advised to take precautions during high UV periods, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during the peak exposures in the identified high-risk months.
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 |
| Conceicao do Almeida | 14 | 14 | 14 | 13 | 11 | 9 | 10 | 12 | 13 | 15 | 15 | 14 |
| Fortaleza UVI | 14 | 14 | 15 | 15 | 13 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |