Last updated: July 2, 2025
In Chon Thanh, Vietnam, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the UV levels not only helps in preventing sunburn but also plays a vital role in reducing the risk of long-term skin damage. With a tropical climate that often offers intense sun exposure, the UV Index here can soar to a striking 14 during midday. This means that residents and visitors alike should prioritize sun safety measures every day. By staying informed about UV levels, you can enjoy the beautiful outdoors while keeping your skin safe from harmful rays.
The UV Index throughout the day paints a compelling picture of the sun's intensity. Starting from a gentle 1 at 7:00 AM, the index gradually escalates, reaching a vibrant 4 by 8:00 AM. As the sun climbs higher, it peaks dramatically at 14 between 12:00 PM and 1:00 PM, signaling some of the day's most intense sun exposure. Following this zenith, the numbers gracefully descend, reflecting a steady decline with a mild 3 by 4:00 PM and dropping to a safe 1 by 5:00 PM. Finally, the evening wraps up with a soothing 0 by 7:00 PM, providing a gentle end to a sun-drenched day. This data highlights the importance of sun protection, especially during the midday hours when UV exposure can be at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | 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 exhibits consistently high levels across most months, indicating a period of extreme exposure risk. From January to April, the UV Index peaks at 16 in March, making these early months critical for sun safety. May through October sees a slight decline, yet levels remain elevated, particularly in April and August where the UV Index reaches 15. November and December experience a gradual decrease, with the highest UV Index during the cold months being 11 in November and 10 in December, classified as very high. Visitors and residents are advised to prioritize sun protection from January through October, ensuring to use sunscreen, wear protective clothing, and limit direct sun exposure, particularly during peak hours, to avoid severe sunburn and long-term skin damage.
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 |
| Chon Thanh | 11 | 14 | 16 | 15 | 14 | 13 | 14 | 15 | 14 | 13 | 11 | 10 |