Last updated: August 1, 2025
In Chau Thanh, Vietnam, being aware of the UV Index is crucial for protecting your skin and overall health. With astonishing peak levels reaching 14 during midday, understanding UV exposure is vital to prevent sunburn and long-term skin damage. The region's tropical climate means residents and visitors alike are at heightened risk of harmful UV radiation, particularly between 10 AM and 2 PM. By monitoring the UV Index, you can take the necessary precautions to enjoy the sun safely while minimizing the potential health impacts of excessive UV exposure.
The UV Index today paints a vivid picture of a sunny day's intensity. Starting off at a moderate level of 1 at 7:00 AM, the sun rises steadily, peaking at 14 around 12:00 PM—a high risk time for unprotected skin. Expect the index to hit its zenith at 1:00 PM with a dramatic 13, only to gently recede as the afternoon fades, dropping to 6 by 3:00 PM. As the sun begins to set, the levels decrease further, retreating to 1 by 5:00 PM and finally to a 0 by 7:00 PM, signaling a safe window for late evening activities. Remember to protect your skin during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 11 | extreme | 10 min |
11:00 | 13 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | 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 exhibits significant seasonal variation, peaking between February and September, when it reaches extreme levels of 14-15, resulting in a burn time of just 10 minutes for unprotected skin. January and December are slightly lower with a UV Index of 10, classified as very high, allowing for a burn time of 15 minutes. Notably, the months from February to November are categorized as high-risk, necessitating extra precautions for visitors and residents who plan to spend time outdoors. It is essential to wear sunscreen, protective clothing, and seek shade during peak hours to mitigate the risk of skin damage, especially during this high-risk period.
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 |
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 |
Chau Thanh | 10 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |