Last updated: June 2, 2025
In Yen Chau, Vietnam, being aware of the UV Index is crucial for protecting your skin and overall health. The UV levels here can reach a peak of 14, especially around noon, exposing residents and visitors to significant risks of sunburn and long-term skin damage. With a Cwa climate that brings vibrant sun and varying humidity, understanding UV exposure is essential for safe outdoor activities and maintaining skin health. By keeping an eye on daily UV levels, you can make informed choices about sun protection and enjoy everything Yen Chau has to offer while minimizing skin risks.
The UV Index throughout the day displays a dramatic rise and fall, serving as a reminder to take sun safety precautions. Starting at 2 at 7:00 AM, the index quickly escalates, reaching 10 by 10:00 AM, peaking at an impressive 14 around 12:00 PM. This midday intensity signals the importance of protective measures against harmful rays. As the afternoon progresses, the index retreats, dropping to 7 by 3:00 PM and gently tapering off to 1 by 5:00 PM. By 7:00 PM, it sinks to 0, indicating a clear sky free from UV threat. Enjoy the sun, but remember to protect your skin during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 13 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 7 | high | 25 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 |
The UV Index experiences notable fluctuations throughout the year, peaking during the summer months. January and December have a UV Index of 8 with a very high exposure category and a burn time of 15 minutes. As we move into the spring, values rise sharply, reaching a maximum of 15 in July, categorized as extreme, with a burn time as short as 10 minutes. High-risk months include March through October, where the index stays in the extreme category, emphasizing the importance of sun protection. Visitors and residents should take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when the sun's rays are most intense. As the UV levels decrease in late fall and winter, vigilance should still be maintained to prevent sunburn.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hanoi UVI | 8 | 10 | 12 | 12 | 13 | 12 | 12 | 13 | 13 | 11 | 9 | 7 |
Haiphong UVI | 8 | 10 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 11 | 9 | 7 |
Yen Chau | 8 | 10 | 13 | 13 | 14 | 14 | 15 | 14 | 14 | 12 | 10 | 8 |
Da Nang UVI | 10 | 12 | 14 | 15 | 14 | 13 | 14 | 14 | 13 | 12 | 10 | 9 |
Ho Chi Minh City UVI | 10 | 13 | 15 | 14 | 14 | 12 | 13 | 14 | 13 | 13 | 11 | 10 |
Bien Hoa UVI | 10 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 13 | 12 | 11 | 10 |