Last updated: July 2, 2025
In Passira, Brazil, understanding the UV Index is crucial for everyone who enjoys the sun. With UV levels peaking at an intense 11 during midday hours, being aware of these fluctuations can help you protect your skin from harmful effects such as sunburn and long-term damage. Given Passira's tropical climate, residents and visitors alike face potential UV exposure risks throughout the day, making it essential to stay informed about the current index. By keeping an eye on the UV Index, you empower yourself to make informed choices about sun protection and skin health.
The UV Index rises dramatically throughout the morning, with a maximum peak of 11 recorded at 11:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the intensity gradually declines, dropping to 9 by 1:00 PM and then to 6 at 2:00 PM. By late afternoon, UV levels continue to fall, reaching 3 at 3:00 PM and tapering off to 1 by 4:00 PM. Finally, after 5:00 PM, the UV Index dips to 0, signaling a complete reduction in sun exposure risk. It’s essential for sun safety enthusiasts to prioritize outdoor activities during the early hours when UV levels are more manageable, while taking care against the intense midday sun.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 11 | extreme | 10 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 throughout the year displays extreme levels, particularly from January through November, with values consistently between 12 and 15, indicating a high risk of harm from unprotected sun exposure. Notably, the highest UV Index occurs in March at 15, closely followed by February and April at 14. Visitors and residents should take special care during these high-risk months and consistently throughout the year, ensuring they wear appropriate sun protection, including sunscreen, hats, and UV-protective clothing. With a burn time of only 10 minutes, it is crucial to limit sun exposure, especially during midday when UV radiation is at its peak.
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 |
Passira | 14 | 14 | 15 | 14 | 12 | 11 | 11 | 12 | 13 | 13 | 14 | 14 |