Last updated: July 2, 2025
Understanding the UV Index in Muong Xen, Vietnam, is crucial for protecting your skin from harmful ultraviolet radiation. With peak UV levels soaring as high as 15 around midday, awareness of these fluctuations can significantly aid in sunburn prevention and overall skin health. Given Muong Xen's Cwa climate, which typically features clear, sunny days, the risk of UV exposure heightens, making it essential for residents and visitors alike to stay informed about daily UV Index ratings. By monitoring these levels, you can enjoy the beauty of this vibrant locale while safeguarding your skin against the sun’s intense rays.
The UV Index throughout the day showcases a dramatic rise and fall in intensity. Starting at 07:00, the index is a modest 2, but by 09:00, it jumps to 7, indicating a sharp increase in sun exposure. The peak intensity occurs at 12:00, where the UV Index reaches a scorching 15, signaling a critical need for sun protection. As the afternoon rolls in, the numbers begin to decline, dipping to 11 by 14:00 and further down to 4 at 16:00. Finally, the index wanes into the evening, dropping to 1 at 18:00 and settling at 0 by 19:00, effectively marking the end of a sun-soaked day. Pay attention to these fluctuations to protect your skin from harmful UV rays!
| 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 | 14 | extreme | 10 min |
| 12:00 | 15 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The seasonal changes in UV Index indicate a significant risk for skin damage, particularly during the high-risk months from February to October, where the UV Index reaches extreme levels of 11 to 15. Specifically, March through September maintains a consistent extreme category, with the highest UV index recorded in July at 15. Visitors and residents are strongly advised to take precautions during these months, limiting sun exposure, using broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours. In the remaining months of November and December, while the UV Index decreases to 10 and 8, respectively, it's still important to remain cautious as these values still fall under the high exposure category. Staying informed and prepared is essential for safe outdoor experiences 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 |
| Muong Xen | 9 | 11 | 13 | 14 | 14 | 14 | 15 | 14 | 14 | 12 | 10 | 8 |
| 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 |