Last updated: June 2, 2025
Awareness of the UV Index in Moju, Brazil is essential for both residents and visitors alike, as it serves as a crucial indicator of the sun's potential to cause harm. Understanding UV levels is vital for preventing sunburn and protecting your skin's health, especially in a tropical climate characterized by high levels of UV radiation. With peak indices reaching up to 12 during midday hours, Moju's warm and sunny conditions pose significant exposure risks. By staying informed about the UV Index, you can take proactive measures to enjoy the outdoors safely while safeguarding your skin from long-term damage.
The UV Index (UVI) showcases a striking pattern throughout the day, peaking sharply as the sun rises to its zenith. Starting at a modest 1 at 07:00, the index swiftly climbs, reaching 10 at 11:00 and soaring to a maximum of 12 by noon—the point at which sun protection becomes crucial. As the afternoon progresses, the intensity gradually diminishes, dropping to 5 by 15:00, and finally trailing off to 1 by 17:00. Anyone planning outdoor activities should keep this in mind: the sun is most intense between 10:00 and 14:00, a time when vigilance against harmful rays is essential!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 10 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits extreme levels, peaking at 16 in both March and April, indicating significant risks for sun exposure. The high-risk months extend from January to April, where the UV Index reaches 14-16, meaning a burn can occur in as little as 10 minutes of unprotected exposure. Even in the summer months, the UV Index remains notable, ranging from 11 to 13, particularly in June and September. It is crucial for visitors and residents alike to take preventative measures, such as wearing protective clothing, applying sunscreen with high SPF, and seeking shade during peak sunlight hours, to reduce the risk of skin damage and long-term health issues.
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 |
Moju | 14 | 14 | 16 | 16 | 13 | 12 | 11 | 12 | 13 | 13 | 13 | 13 |