Last updated: June 2, 2025
In Kham Duc, Vietnam, awareness of the UV Index is crucial for safeguarding your skin against the sun’s harmful rays. Understanding the UV levels can significantly contribute to sunburn prevention and overall skin health, allowing residents and visitors alike to enjoy the beautiful outdoors without the risks of overexposure. With a Cwa climate, Kham Duc experiences varied UV exposure throughout the day, peaking at an intense 14 between noon and 1 PM. This indicates a high risk of harm from unprotected sun exposure, making it essential to keep a close eye on the UV Index to protect yourself effectively.
As the sun rises, the UV Index begins its ascent, starting at a mild 2 by 7:00 AM. By 8:00 AM, it ramps up to 4, signaling the need for light sun protection. The real intensity kicks in around 9:00 AM, peaking at a robust 11 between 10:00 AM and 12:00 PM, when it reaches its highest point of 14. During these hours, it’s essential to find shade and apply sunscreen to shield yourself from harmful rays. As the afternoon progresses, the UV Index gradually declines, dropping to 12 at 1:00 PM before easing to 6 by 3:00 PM, and finally dipping to a low of 1 by 5:00 PM, signaling a retreat from the sun as daylight fades. This data emphasizes the importance of midday sun safety, ensuring maximum protection during the peak UV exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 14 | 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 marked seasonal fluctuations, with highest UV levels occurring from February to August, peaking at 15 during March, April, July, and August. This period is characterized by an extreme exposure category, indicating a rapid risk of skin damage within 10 minutes of unprotected exposure. Particularly high-risk months include February, March, April, May, July, and August, where precautions are essential. Visitors and residents should prioritize sun safety by wearing sunscreen, seeking shade, wearing protective clothing, and avoiding outdoor activities during peak hours to minimize the risk of UV exposure. As fall approaches, a slight reduction in UV intensity is noted, but caution remains important, especially in October and November.
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 |
| Kham Duc | 10 | 13 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 12 | 11 | 9 |