Last updated: August 1, 2025
Understanding the UV Index in Ha Tien, Vietnam is crucial for safeguarding your skin and overall health, especially given the region's tropical climate. With UV levels reaching a maximum of 14 around midday, awareness of these fluctuations can help prevent painful sunburn and long-term skin damage. As you explore the beautiful beaches and lush landscapes of Ha Tien, keeping an eye on the UV Index allows you to enjoy the outdoors safely while protecting yourself from the potentially harmful effects of overexposure to sunlight.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to 3, indicating a cautious need for sun protection. The real intensity kicks in by 09:00, reaching 6, and peaks at a striking 14 at 12:00—the hour when the sun is at its zenith. With readings of 13 still prevalent from 11:00 to 13:00, it’s a vital time to stay protected! As afternoon settles in, the UV levels gradually taper off; they dip to 6 by 15:00 and descend further to 3 at 16:00. By evening, the risk diminishes significantly with a return to 1 at 17:00, rounding off the day as twilight approaches with a 0 reading by 19:00. Stay safe in the sun!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | 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 | 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 experiences significant fluctuations throughout the year, with extreme levels observed from January to October. The highest values occur between March and May, peaking at 15, indicating high-risk months for sun exposure, where a burn can occur in just 10 minutes. Visitors and residents alike should take careful precautions during these months—applying high-SPF sunscreen, wearing protective clothing, and seeking shade during peak hours—to minimize the risk of skin damage. The UV Index tapers off slightly in November and December, but the risk remains extreme; therefore, continued vigilance is essential 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 |
Ha Tien | 11 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 11 |