Last updated: July 2, 2025
In Ho Xa, Vietnam, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding varying UV levels helps you take proactive measures against sunburn and long-term skin damage, especially as the region experiences high UV exposure typical of its tropical climate. During peak hours, the UV Index can soar to 14, making it essential for residents and visitors alike to be equipped with knowledge on how to effectively protect themselves from harmful rays throughout their day.
At sunrise, the UV Index begins its ascent, with a modest 2 at 7:00 AM. As the sun rises higher, it climbs steadily, peaking at a staggering 14 by 12:00 PM, marking the day’s most intense UV exposure. The sun's zenith brings 11 at 10:00 AM and reaches its peak intensity of 13 at 11:00 AM. After noon, the UV levels start to decrease; they dip to 10 by 2:00 PM and continue to fall to 6 at 3:00 PM. By evening, the intensity wanes, with levels reducing to 1 by 5:00 PM and fading to 0 by 7:00 PM. Remember, during peak hours, it’s crucial 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 | 13 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | 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 |
The UV Index shows significant seasonal changes, with the highest levels occurring from February to October, characterized by an extreme exposure category. March, April, July, and August top the chart at a UV Index of 14, which corresponds to a burn time of just 10 minutes. During this period, residents and visitors should be exceptionally cautious, as these months pose the highest risk for sunburn and skin damage. As we move into the late fall and winter months, particularly November and December, the UV Index decreases to 10 and 8, respectively, still categorized as very high, though with longer burn times of 15 minutes. It is crucial for everyone to wear appropriate sun protection, including sunscreen, hats, and protective clothing, especially during the high-risk months when UV exposure is at its peak.
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 |
Ho Xa | 9 | 12 | 13 | 14 | 14 | 13 | 14 | 14 | 13 | 12 | 10 | 8 |
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 |