Last updated: July 2, 2025
In Khanh Vinh, Vietnam, understanding the UV Index is crucial for your health and safety under the tropical sun. With peak UV levels reaching as high as 14 during midday hours, awareness of these levels can significantly lower your risk of sunburn and long-term skin damage. The region’s warm climate, classified as Aw, exposes residents and visitors alike to potential risks from overexposure to UV radiation. By staying informed about daily UV levels, you can better protect your skin and enjoy the beautiful outdoors more safely.
At sunrise, the UV Index begins its ascent, starting at a mild 2 by 07:00. As the sun rises higher, the intensity increases swiftly, reaching a peak of 14 at both 11:00 and 12:00—the hottest part of the day. From there, the index starts to dip, descending to 9 by 14:00 and continuing down to 6 at 15:00. As afternoon transitions into evening, levels decrease further, plummeting to 1 by 17:00 and tapering off to 0 by 19:00. This hourly dance of UV exposure underscores the importance of sun protection, especially during midday when the UV levels are at their highest. Remember to stay safe and shield your skin when the UV Index is soaring!
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 | 14 | 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 fluctuates significantly throughout the year, peaking from February to September, where values consistently fall within the extreme exposure category. Particularly high-risk months include March, with a UV Index of 16, and April, May, August, and September, all at 15. Visitors and residents are urged to take precautionary measures during these months, such as wearing protective clothing, sunglasses, and applying sunscreen frequently, as burn time is limited to just 10 minutes in most cases. Even as autumn approaches, UV levels remain high; thus, continued vigilance is essential until November. In December, UV levels drop to a very high category, with a slightly longer burn time of 15 minutes, so while the risk reduces, awareness should remain a priority year-round.
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 |
Khanh Vinh | 11 | 14 | 16 | 15 | 15 | 13 | 14 | 15 | 15 | 13 | 12 | 10 |