Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Muong Lay, Vietnam, where the region's subtropical highland climate brings intense sunlight, particularly at midday. With UV levels peaking at a staggering 15 around noon, awareness of these levels is essential for effective sunburn prevention and maintaining skin health. By being informed about the UV Index, individuals can take appropriate precautions—such as wearing protective clothing or using sunscreen—to enjoy the beautiful outdoors while minimizing the risks of harmful UV exposure. Stay sun-safe and make the most of Muong Lay’s natural beauty by keeping an eye on the UV levels!
The UV Index displays a striking ascent throughout the morning, peaking at a maximum of 15 by noon. From a gentle start at 1 at 7:00 AM, the intensity escalates rapidly, reaching a notable 10 by 10:00 AM and hitting its zenith of 13 at 11:00 AM. As the clock ticks past midday, the intensity begins to wane, dropping to 11 by 2:00 PM before gradually declining to 0 as the sun sets, marking the day's end. It's a critical reminder to stay protected during those peak hours, particularly between 11:00 AM and 1:00 PM, when the sun’s rays pack a powerful punch!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 13 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 10 | very high | 15 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 UV Index experiences significant seasonal changes, peaking during the warmer months. From January to March, the Index ranges between 8 and 13, with very high to extreme levels indicating a burn time as low as 10 minutes in March. The months of April through September represent the highest risk, with an extreme UV Index peaking at 15 in July and maintaining an Index of 14 during August and September—all demanding careful sun protection due to a burn time of just 10 minutes. October sees a slight drop to an Index of 12, still requiring vigilance. The risk tapers off in November with an Index of 9, and further drops to 7 in December, where the burn time extends to 25 minutes. Visitors and residents are advised to take precautions, especially during high-risk months from March to October, by wearing sunscreen, protective clothing, and limiting sun exposure during peak hours.
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 |
Muong Lay | 8 | 10 | 13 | 12 | 14 | 14 | 15 | 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 |