Last updated: June 2, 2025
Understanding the UV Index in Ha Tien, Vietnam is crucial for safeguarding your skin and promoting overall health. With UV levels peaking dramatically throughout the day—reaching dangerous highs of 13 at noon—being aware of these fluctuations can help you take necessary precautions against sunburn and long-term skin damage. Ha Tien's tropical AM climate offers beautiful sunny days, but it also poses increased risks for UV exposure, especially during the midday hours. Protecting yourself by monitoring the UV Index isn’t just smart—it’s essential for enjoying the vibrant outdoor lifestyle of this stunning coastal town.
The UV Index data reveals a dynamic fluctuation throughout the day, peaking at a maximum of 13 around noon. The morning starts off gently, with readings of only 1 at 07:00 and 3 by 08:00, perfect for early risers. However, as the sun ascends, the intensity rises sharply, hitting a critical 10 by 10:00 and reaching its zenith at 12 by 11:00 and 13 by 12:00. The afternoon sees a gradual decline, with values dropping to 9 at 14:00, and then further sliding to 6 by 15:00. As evening approaches, the UV Index dwindles to 3 by 16:00, and finally tails off to 1 by 17:00, nurturing a calmer end to the day. With clear awareness of these fluctuations, individuals can effectively plan their outdoor activities, ensuring protection during the most intense hours.
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 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | 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 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 |