Last updated: June 2, 2025
In Nha Trang, Vietnam, understanding the UV Index is crucial for safeguarding your skin and overall health. As a popular coastal city with a tropical climate, Nha Trang sees significant sunlight exposure, making awareness of UV levels especially important to prevent sunburn and long-term skin issues. With peak UV Index values reaching up to 13 around noon, it's essential to be mindful of outdoor activities and take necessary precautions. By familiarizing yourself with the daily UV fluctuations, you can enjoy the sunny beaches while protecting your skin from harmful rays.
As the sun rises, the UV Index begins its ascent, peaking at 13 between 11:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Starting the day at a mild 2 at 07:00, it swiftly climbs to an intense 11 by 10:00 AM. This is the perfect time to seek shade or apply sunscreen, especially as the index dips back down to 5 at 3:00 PM and gradually falls to a safe 0 by 7:00 PM. Be mindful of the midday sun—when the UV Index is highest, your skin deserves the best protection!
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 | 11 | extreme | 10 min |
11:00 | 13 | 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 |
Throughout the year, UV Index levels remain consistently high, particularly in January to April, where values peak at 16 in March. This period represents the highest risk months for sun exposure, prompting caution among visitors and residents alike. The exposure category is consistently classified as extreme, with a burn time of just 10 minutes, indicating that unprotected skin can be negatively affected in less than a quarter of an hour. Even as the summer heat peaks with UV levels remaining at 14 in July, August, and September, the need for protective measures persists. As we transition into the fall and winter months, UV levels gradually decrease, but even in November and December, the UV index remains notably high at 11 and 10 respectively, with a burn time of 15 minutes in December. It is crucial for everyone to remain vigilant by wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours 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 |
Nha Trang | 11 | 13 | 16 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |