Last updated: May 3, 2025
Understanding the UV Index in Yen Vinh, Vietnam is crucial for maintaining skin health and preventing sunburn. With the region's tropical climate, residents and visitors alike face elevated UV levels, particularly during midday when the index can soar to 13. Being aware of daily fluctuations in UV exposure helps you take appropriate precautions, ensuring a safer and more enjoyable experience under the sun. By monitoring these levels, you can protect your skin and minimize long-term health risks associated with UV radiation. Stay informed and shield yourself effectively against the sun's powerful rays in this beautiful locale!
As the sun rises, the UV Index starts at a mild 2 at 7:00 AM, making it a gentle beginning to the day. By 8:00 AM, it climbs to 4, hinting at the need for a bit of sun protection. The intensity reaches its peak between 10:00 AM and 12:00 PM, soaring to a high of 13. This powerful midday sun calls for extra caution as the UV index hovers at this level for two consecutive hours before gradually tapering off. By 3:00 PM, the UV Index drops to 5 and continues to decline, hitting 1 by 5:00 PM. As evening approaches, the UV levels ease to 0 by 7:00 PM, wrapping up the day with a low-risk, sun-safe atmosphere. Enjoy the bright moments, but don’t forget your sunscreen 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 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 5 | moderate | 30 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 |
Throughout the year, the UV Index shows significant variability, with the most intense exposure occurring during the spring and summer months. From March to October, the UV Index reaches extreme levels (ranging from 13 to 14), with the shortest burn time of just 10 minutes in peak months like July and August. The high-risk months for UV exposure are March through October, emphasizing the need for caution during these periods. Meanwhile, January and February also pose significant risks with very high indices of 8 and 10, respectively. To protect yourself from harmful UV rays, it is advised that visitors and residents wear sunscreen, sunglasses, and protective clothing, and seek shade, especially during midday hours when UV radiation is at its peak. In contrast, the UV Index drops in the fall and winter, with November being very high and December relatively lower, allowing for greater protection. Always remain vigilant and informed about UV exposure levels to ensure safety throughout the year.
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 |
| Yen Vinh | 8 | 10 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 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 |