Last updated: August 1, 2025
In Nhon Trach, Vietnam, understanding the UV Index is crucial for safeguarding your skin and overall health. With the region's hot tropical climate, UV levels can soar, especially during midday, peaking at a hazardous UVI of 13 between 11:00 AM and 1:00 PM. This awareness not only helps prevent painful sunburns but also protects against long-term skin damage. As you enjoy the sunny days in Nhon Trach, be mindful of these UV exposure risks to ensure a safe and enjoyable outdoor experience.
The UV Index fluctuates significantly throughout the day, peaking at 13 during the late morning and early afternoon hours. Starting out gently at 1 at 07:00, the index rises steadily, reaching 4 by 08:00, and then surging to a striking 10 by 10:00. The sun’s intensity continues to climb, hitting its maximum values of 13 at both 11:00 and 12:00. As the day progresses, the UV levels begin to taper off, dropping to 12 at 13:00, and then rolling down to 9 by 14:00. In the afternoon, the index decreases further, settling at 5 at 15:00 before dwindling to 3 at 16:00. The evening sees a sharp decline, with values falling back to 1 by 17:00 and then retreating to 0 after sunset. This hourly data underscores the importance of sun protection during peak UV times, especially from late morning to early afternoon.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | 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 | 9 | very high | 15 min |
15:00 | 5 | moderate | 30 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, the UV Index exhibits significant fluctuations, with notably high levels during the winter and spring months. January and December demonstrate a very high UV Index of 10, with a burn time of 15 minutes. However, February through November are classified as extreme exposure months, peaking at 15 in March and maintaining an index of 13-14 from February to August. The high-risk months include February to August, where a burn time drops to just 10 minutes across the board. Visitors and residents are advised to take extra precautions during these peak months by wearing protective clothing, applying sunscreen regularly, and seeking shade when outdoors to minimize the risk of UV-related harm.
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 |
Nhon Trach | 10 | 13 | 15 | 14 | 14 | 12 | 13 | 14 | 13 | 13 | 11 | 10 |
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 |