Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Paranavai, Brazil, where the subtropical climate can expose you to varying levels of ultraviolet (UV) radiation throughout the day. With peak UV levels reaching up to 6 between noon and 1 PM, it's vital to be aware of these fluctuations to effectively protect your skin from potential sunburn and long-term health risks. Given Paranavai's typical sunny days and high UV exposure, staying informed about the UV Index can help you enjoy the outdoors while ensuring your skin remains healthy and safe. Remember, even on seemingly mild days, UV rays can still be a hidden threat!
The UV Index for the day shows a noticeable fluctuation as the hours progress. Starting off at a mild level of 1 at 7:00 and 8:00, the index begins to rise, reaching a peak of 6 between 12:00 and 13:00—the perfect time to seek shade if you’re outdoors! As the afternoon rolls on, the index dips gradually, dropping to 3 by 15:00, then further to 1 by 17:00. Finally, the UV levels fall to 0 after 18:00, signaling a comfortable end to the day. Remember, during those peak hours, it’s essential to protect your skin from overexposure!
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 | 5 | moderate | 30 min |
12:00 | 6 | high | 25 min |
13:00 | 6 | high | 25 min |
14:00 | 5 | moderate | 30 min |
15:00 | 3 | 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 vary significantly, with extreme exposure primarily occurring between January and April, as well as in September, October, and November. Visitors and residents should be particularly vigilant during these high-risk months, when burn times can be as short as 10 minutes. May through July sees a decrease in UV intensity, categorized as very high to high, allowing for slightly longer burn times of 15 to 25 minutes. By August, the UV Index rises again to very high, urging caution. As winter approaches in December, the UV Index peaks again at 16, signaling an urgent need for protective measures. To safeguard against skin damage, it is advisable for everyone to utilize sunscreen, wear protective clothing, and seek shade, especially during peak UV 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 |
Paranavai | 15 | 15 | 13 | 11 | 8 | 6 | 7 | 9 | 11 | 14 | 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 |