Last updated: July 2, 2025
In Thi Tran Vi Xuyen, Vietnam, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. The region's Cwa climate features warm summers coupled with varying UV levels throughout the day, peaking notably around midday when levels can soar to 14! This highlights the importance of being vigilant about sun exposure, especially during peak hours to protect your skin from harmful rays. By staying informed about the UV Index, residents and visitors alike can make smart choices to enjoy the sun safely while minimizing the risk of skin damage.
As the sun rises, the UV Index begins its climb, peaking dramatically at 14 around noon. Starting from a mild 2 at 07:00, the intensity escalates quickly, reaching a tipping point of 11 by 10:00 and hitting its zenith at 12:00. During the midday hours, when the UV exposure is most potent, it's essential to take precautions. As afternoon approaches, the index gradually subsides—dropping to 7 at 15:00 and further to 2 by 17:00. After sunset, UV levels wane to 0, signaling a safe return for outdoor activities as the sun sinks below the horizon. Make sure to protect your skin and enjoy the sunny day safely!
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 | 11 | extreme | 10 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 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index demonstrates significant seasonal fluctuations, with the highest levels observed from March to October, where the index peaks at 14 during the summer months of May through August. During these high-risk months, particularly from March to September when the UV exposure is categorized as extreme, burn times drop to just 10 minutes. In contrast, the UV Index decreases to 10 in February and 9 in November, still warranting caution, while in December, it further lowers to 7, marking a high risk with a burn time of 25 minutes. Visitors and residents should take essential precautions during the high UV months, such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV exposure is most intense.
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 |
Thi Tran Vi Xuyen | 8 | 10 | 12 | 12 | 14 | 14 | 14 | 14 | 13 | 12 | 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 |