Last updated: June 2, 2025
In A Yun Pa, Vietnam, being aware of the UV Index is essential for protecting your skin and overall health. Ultraviolet (UV) radiation can lead to sunburn and long-term skin damage, making it crucial to understand the daily fluctuations in UV levels. With a tropical savanna climate that typically exposes residents and visitors to high UV levels, especially during peak hours (10 AM to 2 PM), it’s important to take proactive measures against overexposure. Whether you’re enjoying the outdoors or just going about your daily routine, staying informed about the UV Index can help you maintain optimal skin health and enjoy the vibrant sunshine safely.
As the day unfolds, the UV Index climbs steadily, starting at a gentle 2 at 7:00 AM and reaching its peak of 13 between 11:00 AM and 12:00 PM. This midday sun calls for extra caution, as the intensity can lead to skin damage without protection. After this height, the index begins its gradual decline, dropping to 9 by 2:00 PM and further to 5 by 3:00 PM. By the late afternoon, as shadows lengthen, the UV Index decreases to 1 by 5:00 PM and eventually settles at 0 after 7:00 PM. Enjoy your day, but don’t forget to shield yourself during those peak hours!
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 | 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 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
During the year, UV Index levels remain consistently extreme from January to October, with notable peaks in March (15) and April (16), making these months particularly high-risk for sun exposure. Residents and visitors should take precautions such as wearing sunscreen, protective clothing, and seeking shade, especially between January and October, where the burn time is only 10 minutes. As the year transitions to November and December, the UV Index slightly decreases; however, it still remains very high in December (10) with a burn time of 15 minutes. It is essential to stay vigilant about UV exposure 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 |
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 |
A Yun Pa | 11 | 13 | 15 | 16 | 15 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |