Last updated: July 2, 2025
In Mang GJen, Vietnam, being aware of the UV Index is crucial for protecting your skin from harmful solar radiation. Understanding UV levels helps in preventing sunburn and maintaining long-term skin health, making it essential for both locals and visitors. With a Cwa climate, Mang GJen experiences significant UV exposure, especially during the midday hours when the index peaks at a striking 15 around noon. By staying informed about the UV Index, you can enjoy the beautiful outdoors while taking the necessary precautions against skin damage.
The UV Index throughout the day exhibits a striking pattern, starting with a mild 2 at 07:00 and steadily climbing to a peak of 15 by 12:00. From 08:00 onward, sun-seekers should be cautious as the index escalates; it hits 14 at 11:00 and a maximum of 12 at 10:00. As the afternoon approaches, the intensity begins to taper off, dropping to 10 by 14:00 and further decreasing to 6 at 15:00. The latter hours see a rapid decline, with the index falling to 1 by 17:00 and remaining there until it finally drops to 0 at 19:00. Overall, this data indicates the midday sun is particularly potent, urging everyone to take protective measures during 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 | 12 | extreme | 10 min |
11:00 | 14 | extreme | 10 min |
12:00 | 15 | extreme | 10 min |
13:00 | 13 | 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 |
Throughout the year, UV Index levels remain notably high, particularly from January to October, with values consistently in the extreme exposure category and a maximum index of 16 in April. The months of February and March are particularly notable, peaking at index levels of 13 and 15, respectively. High-risk months are clearly established as April, May, July, and August, where UV exposure is critically intense, posing a serious risk for sunburn within just 10 minutes of direct exposure. Residents and visitors should take strict precautions during these months, including wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours. In December, while the UV Index lowers to 10 (very high) with a burn time of 15 minutes, it is still vital to remain vigilant. Prioritize skin protection to ensure safety 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 |
Mang GJen | 11 | 13 | 15 | 16 | 15 | 14 | 15 | 15 | 14 | 13 | 11 | 10 |