Last updated: July 2, 2025
In Phu Cat, Vietnam, understanding the UV Index is crucial for safeguarding your skin and overall health. With a tropical climate that often results in high UV exposure, knowing the UV levels can help you prevent painful sunburns and long-term skin damage. During peak hours, like noon when the UV Index soars to 15, the risk increases significantly, making awareness vital. Protect yourself and enjoy the beauty of Phu Cat with informed sun safety practices!
As the sun rises, the UV Index begins its ascent, starting at a low 2 at 7:00 AM. By 8:00 AM, it doubles to 4, signaling the need for some sun protection. As the day progresses, the intensity of ultraviolet rays intensifies dramatically, peaking at a high of 15 at 12:00 PM. This period marks the height of UV exposure, making it crucial to stay shaded or protected. The index gradually declines after 1:00 PM, with readings of 13 and then 9 at 2:00 PM, before tapering off to 6 by 3:00 PM, and sinking to a mere 1 by 5:00 PM. Finally, the UV exposure diminishes to 0 after 7:00 PM, closing out the day as the sun sets. Remember, during those peak hours, protect yourself from harmful rays to ensure a safe and enjoyable day!
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 | 12 | extreme | 10 min |
11:00 | 14 | extreme | 10 min |
12:00 | 15 | extreme | 10 min |
13:00 | 13 | 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 |
Throughout the year, UV Index levels reveal significant seasonal changes, with consistently high values from January to October, indicating an extreme risk of harm from unprotected sun exposure. The highest UV Index values occur in March and July, peaking at 15 with a burn time of only 10 minutes—these months are particularly critical for sun safety. Visitors and residents should be especially cautious from February through October, where exposure is classified as extreme, necessitating protective measures such as sunscreen, hats, and sunglasses. The risk reduces slightly in November and December, with the UV Index dropping to 11 and 9, respectively, although even in December, the burn time is still only 15 minutes. Therefore, it is essential for everyone to remain vigilant and protect their skin throughout the year, especially during high-risk months from February to October.
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 |
Phu Cat | 11 | 13 | 15 | 15 | 14 | 13 | 15 | 14 | 14 | 13 | 11 | 9 |