Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Hau Nghia, Vietnam, where the tropical climate brings consistent sun exposure year-round. With levels peaking as high as 13 during midday, being aware of UV radiation can significantly combat risks of sunburn and long-term skin damage. Effective sun protection strategies are vital in this region, especially when the sun is most intense from 10 AM to 2 PM. By monitoring UV levels, you can better safeguard your skin's health while enjoying the beautiful outdoors in Hau Nghia.
The UV Index journey throughout the day reveals a notable peak around midday. Starting gently at 2 at 07:00, it makes a steady climb, reaching 4 by 08:00. The sun’s intensity escalates dramatically, hitting a striking 10 by 10:00 and peaking at an impressive 13 at 12:00. The afternoon sees a gradual decline, with the index dropping to 5 by 15:00 before tapering off further as the sun sets, settling at 1 by 17:00. As evening approaches, the UV Index drops to 0, marking a safe end to sun exposure for the day. Stay sun-savvy and protect your skin during those high-index hours!
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 | 10 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | 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 exhibits significant seasonal variation, with the highest levels typically occurring from February to April, where values reach up to 15 in March and April and fall under the extreme exposure category. During these months, the burn time for unprotected skin is a mere 10 minutes, highlighting the need for heightened caution. May to September maintains similarly high UV indices, also categorized as extreme, albeit with a slight reduction in index values, while January and December present very high levels of UV at 10, allowing for slightly longer burn times of 15 minutes. To protect themselves during the high-risk months, residents and visitors are advised to take sun safety precautions seriously, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially between 10 a.m. and 4 p.m.
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 |
Hau Nghia | 10 | 14 | 15 | 15 | 13 | 13 | 13 | 14 | 13 | 13 | 11 | 10 |
Bien Hoa UVI | 10 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 13 | 12 | 11 | 10 |