Last updated: June 2, 2025
In Chi Thanh, Vietnam, being aware of the UV Index is crucial for both protecting your skin and enhancing your overall health. Understanding the levels of ultraviolet (UV) radiation can help you take necessary precautions against sunburn and long-term skin damage. With a tropical climate characterized by high UV exposure, particularly during midday hours when the index peaks at 13, residents and visitors alike must stay informed to guard against harmful effects. Regularly checking the UV Index not only ensures that you enjoy the sunshine responsibly but also promotes healthier skin practices in this vibrant coastal town.
As the sun rises, the UV Index begins its ascent, peaking at 13 between 11:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Starting the day at a mild 2 at 07:00, it swiftly climbs to an intense 11 by 10:00 AM. This is the perfect time to seek shade or apply sunscreen, especially as the index dips back down to 5 at 3:00 PM and gradually falls to a safe 0 by 7:00 PM. Be mindful of the midday sun—when the UV Index is highest, your skin deserves the best protection!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 8 | very high | 15 min |
10:00 | 11 | extreme | 10 min |
11:00 | 13 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index experiences extreme levels year-round, peaking in March and April at 15, with consistently high values ranging from 11 to 15 from January to October. The high-risk months for UV exposure are clearly February to April, where the index regularly reaches 13 or higher, resulting in a rapid burn time of just 10 minutes. Even in November, the UV levels remain elevated at 11, while December sees a slight decrease to 9 but still classified as very high, with a burn time of 15 minutes. Visitors and residents are encouraged to take precautionary measures throughout the year, especially during peak months. This includes wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of skin damage.
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 |
Chi Thanh | 11 | 13 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 9 |