Last updated: June 2, 2025
Understanding the UV Index in Juquitiba, Brazil, is crucial for residents and visitors alike, as it provides valuable insights into the potential risks of sun exposure. With rising UV levels throughout the day, especially peaking at 6 from 11:00 to 13:00, awareness can help you effectively prevent sunburn and protect your skin health. Juquitiba's Cfa climate offers a warm, humid environment, which can intensify UV exposure risks. Knowing the UV Index empowers you to enjoy the beautiful outdoor settings while keeping your skin safe from harmful UV radiation.
The UV Index throughout the day presents an interesting fluctuation, starting off quite low with a maximum of 1 at both 07:00 and 08:00. As the sun rises higher, the intensity increases sharply, peaking at 6 from 11:00 to 13:00. This is the critical time to protect your skin, as a UV Index of 6 indicates a moderate risk of harm from unprotected sun exposure. The afternoon sees a gradual decline, with numbers dropping back to 2 by 15:00 and returning to 1 by 16:00 and 17:00. Finally, as the day comes to a close, the UV Index falls to 0 by 18:00 and remains there through the evening, reminding us that while the sun's rays can be strong during the day, they also retreat as the sun sets.
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 | 6 | high | 25 min |
12:00 | 6 | high | 25 min |
13:00 | 6 | high | 25 min |
14:00 | 4 | moderate | 30 min |
15:00 | 2 | low | 45 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 |
Throughout the year, UV Index levels exhibit significant seasonal fluctuations, particularly in the winter and fall months. January, February, March, April, September, October, November, and December all experience extreme UV exposure, with indices of 11 to 15 and a minimal burn time of just 10 minutes. The high-risk months are particularly late fall and winter months, alongside early spring, when residents and visitors should be extra cautious. In contrast, May, June, July, and August show a decrease in risk, with UV indices ranging from 6 to 9, where the burn time slightly increases to 15-25 minutes. To minimize UV exposure, it is advisable for both residents and visitors to wear protective clothing, apply sunscreen generously, and seek shade during peak sunlight hours, especially from March to November when UV levels are at their highest.
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 |
Juquitiba | 15 | 15 | 13 | 11 | 8 | 6 | 7 | 9 | 11 | 13 | 14 | 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 |