Last updated: June 2, 2025
In Ha Tinh, Vietnam, understanding the UV Index is crucial for protecting your skin from the harmful effects of sun exposure. With the region's tropical climate and intense sunlight, especially during midday hours, awareness of UV levels can significantly aid in sunburn prevention and long-term skin health. The UV Index peaks at an alarming 13 around noon, highlighting the need for precautions to avoid excessive exposure. Being informed about these risks enables residents and visitors alike to make smarter decisions about sun safety, ensuring enjoyable outdoor activities without compromising skin protection.
The UV Index today displays a dynamic pattern, peaking at a striking 13 around 12:00 PM, signaling the strongest sun exposure of the day. Early risers will enjoy a low UV of just 2 at 7:00 AM, but as the sun ascends, the index climbs sharply, reaching 10 by 10:00 AM and hitting 12 at 11:00 AM. As the afternoon unfolds, it gradually dips to 9 at 2:00 PM and then decreases further to 6 by 3:00 PM. By the evening, the UV Index drops significantly, plummeting to 1 at both 4:00 PM and 5:00 PM, and falling to 0 by 7:00 PM. Stay safe and protect your skin during those peak hours!
| 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 | 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 seasonal changes, peaking during the warmer months. January and February start the year with a very high UV Index of 9 and 10, allowing for a burn time of just 15 minutes. As spring arrives in March and April, conditions worsen to an extreme level at 13, where sun exposure can lead to burns in as little as 10 minutes. This trend continues through the summer with May, July, and August reaching their highest at a UV Index of 14—a time when individuals should take extra care, as even brief exposure can cause harm. September and October maintain extreme levels, highlighting the need for ongoing sun protection. By November and December, conditions ease slightly, reverting to a very high UV Index of 9 and 8, respectively, with an increased burn time of 15 minutes. Visitors and residents are strongly advised to wear protective clothing, apply sunscreen regularly, and seek shade during peak hours to minimize the risk of UV-related damage, especially from March to October, when the UV Index is at its highest.
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 |
| Ha Tinh | 9 | 10 | 13 | 13 | 14 | 13 | 14 | 14 | 13 | 12 | 9 | 8 |
| 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 |