Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Phu Hoa, Vietnam, where the tropical climate can lead to high exposure to ultraviolet radiation. As the sun's rays peak, particularly around noon when UV Index levels can reach 15, it becomes essential to monitor these levels to prevent sunburn and protect skin health. With the risks of overexposure heightened during certain hours, being aware of the UV Index not only helps in safeguarding against immediate harm but also reduces the long-term consequences on skin health. Stay informed and enjoy the sun safely!
At dawn, the UV Index starts off low at 2 by 07:00, but the sun quickly intensifies as the day unfolds. By 08:00, it reaches 4, and a significant surge occurs with the sun's peak around 11:00, hitting an impressive 14. The highest intensity is recorded at 12:00, a robust 15, reminding us to stay protected. As the afternoon progresses, the index gradually declines, settling at 5 by 15:00, and dropping further to 1 by 17:00. As night falls, the UV Index wanes to 0 by 19:00, signaling a wrap on sun exposure for the day. It’s a perfect reminder to enjoy the midday sun responsibly!
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 | 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 |
The UV Index experiences significant fluctuations throughout the year, with extreme levels persisting from January through October. High-risk months for UV exposure are March to October, where the UV Index peaks at 16 in April. Visitors and residents should be particularly cautious during this period, as even a brief 10-minute exposure can lead to sunburn. It is essential to take preventive measures such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours. Although UV levels decrease in November and December, the risk remains very high in December with a burn time of 15 minutes, making it crucial to stay vigilant 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 |
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 Hoa | 11 | 14 | 15 | 16 | 15 | 14 | 15 | 15 | 14 | 13 | 11 | 10 |