Last updated: July 2, 2025
Understanding the UV Index is essential for residents of Riolandia, Brazil, where high levels of ultraviolet radiation can pose serious risks to skin health. With a tropical climate characterized by sunny days, the UV Index in Riolandia often peaks at 8 around noon, indicating a heightened risk for sunburn and long-term skin damage. By being aware of the daily UV levels, you can take proactive measures to protect yourself and your loved ones from harmful exposure. Whether it's applying sunscreen, wearing protective clothing, or seeking shade, understanding these metrics is key to enjoying the vibrant outdoor lifestyle that Riolandia offers while safeguarding your skin.
At dawn, the UV Index remains low, peaking at 1 by 08:00. As the sun rises higher, a notable increase occurs, reaching 3 at 09:00 and escalating dramatically to a maximum of 8 from 12:00 to 13:00. This midday surge indicates a higher risk for sun exposure, making it essential to take precautions such as wearing sunscreen and protective clothing. The intensity then gradually declines, dropping to 4 by 15:00, and continuing its descent to 0 by 19:00, marking the end of the sun’s peak influence for the day. Stay mindful of these hourly fluctuations to enjoy the sun safely!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 8 | very high | 15 min |
13:00 | 8 | very high | 15 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 |
The UV Index exhibits significant seasonal variation, with extreme levels persisting from January to April and then peaking again in August and September. The highest risk months are undoubtedly January, February, and December, which all register a UV Index of 16 and a burn time of just 10 minutes. Residents and visitors should take heightened precautions during these months, including wearing protective clothing, using sunscreen with high SPF, and seeking shade during peak sun hours. Even in the summer months, where UV levels decrease slightly, visitors should remain vigilant, especially in May, July, and August, with UV indices reaching up to 11 and 12. It's essential to prioritize sun safety throughout the year to prevent skin damage.
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 |
Riolandia | 15 | 16 | 13 | 11 | 9 | 7 | 8 | 11 | 12 | 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 |