Last updated: July 2, 2025
In Alto Parana, Brazil, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With the region's Cfa climate, residents and visitors alike face varying levels of UV exposure throughout the day. Understanding these UV levels, especially as they peak between 11:00 AM and 1:00 PM with values reaching up to 7, can help you take proactive steps to protect your skin from harmful rays. By staying informed about the UV risks, you can enjoy the sun safely while keeping your skin healthy and radiant.
The UV Index for the day presents a dynamic profile, starting from a protective 0 at 07:00 and slowly rising throughout the morning. By 10:00, it reaches a moderate 4, escalating to a peak of 7 between 12:00 and 13:00, indicating it’s time for sun safety precautions. As the afternoon progresses, the index dips gradually; by 16:00, it falls to 2, and finally returns to 0 by 18:00. Plan your day accordingly—early morning and late evening are your best bets for sun exposure, while midday calls for care!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 0 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 4 | moderate | 30 min |
11:00 | 6 | high | 25 min |
12:00 | 7 | high | 25 min |
13:00 | 7 | high | 25 min |
14:00 | 6 | high | 25 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 |
Throughout the year, the UV Index exhibits significant seasonal changes, peaking in the winter months (January to April) with values ranging from 11 to 15, categorized as extreme, where unprotected skin can burn in as little as 10 minutes. The high-risk months, characterized by an extreme UV Index, include January, February, March, April, September, October, November, and December. In contrast, the summer months (May to August) present a slightly lower yet still concerning UV Index, falling within the very high to high range, allowing for slightly longer burn times of 15 to 25 minutes. Therefore, it is crucial for visitors and residents to take preventative measures year-round, especially during high-risk months, by wearing sunscreen, protective clothing, and sunglasses, and by seeking shade to mitigate the harmful effects of UV radiation.
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 |
Alto Parana | 15 | 14 | 13 | 11 | 8 | 6 | 7 | 9 | 11 | 14 | 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 |