Last updated: May 3, 2025
Understanding the UV Index in Astorga, Brazil is crucial for maintaining optimal skin health and preventing sunburn. With the region's Cfa climate, residents and visitors can expect varying levels of UV exposure throughout the day. For instance, from 10 AM to 2 PM, UV levels can peak at 8, posing significant risks for unprotected skin. By being aware of these levels, you can take necessary precautions, ensuring you enjoy the beautiful, sunny days in Astorga while safeguarding your skin against harmful UV radiation. Stay informed, stay protected!
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 |
Throughout the year, UV Index levels show significant seasonal variation, with the most intense exposure occurring from November to April, when values reach extreme levels of 15 or higher, making these the highest-risk months for UV exposure. Specifically, January, February, March, and December record a UV Index of 15 or 16, while October displays a UV Index of 14. During these months, a burn time of just 10 minutes is enough to risk skin damage. From May to July, the exposure decreases to 'very high' and 'high' levels, but caution is still advised, especially in May and August when the burn times decrease to 15 minutes. Visitors and residents should take proactive measures against sun exposure by employing broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak UV hours, particularly from 11 a.m. to 4 p.m.
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 |
Astorga | 15 | 15 | 13 | 11 | 8 | 6 | 7 | 9 | 12 | 14 | 15 | 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 |