UV Index in Nha Trang, Vietnam

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Nha Trang, Vietnam, a tropical paradise renowned for its stunning beaches and vibrant sun. With UV levels often peaking as high as 14 during midday, awareness of these readings plays a vital role in sunburn prevention and maintaining long-term skin health. Given Nha Trang's warm and sunny climate, where sun exposure is nearly a daily occurrence, being informed about the UV Index can help you enjoy outdoor activities safely while protecting your skin from harmful effects. Stay vigilant and safeguard your health under the sun!

Hourly UV Index in Nha Trang

The UV Index throughout the day paints a vivid picture of sun intensity and potential exposure risks. At 7:00 AM, it starts at a mild 2, making it safe for early outdoor activities. However, by 9:00 AM, it ramps up to 8, signaling increased caution. The peak hits at 11:00 AM and 12:00 PM, both soaring to 14, indicating high UV levels that demand protective measures. As the afternoon progresses, the index gradually declines—down to 5 by 3:00 PM and falling to a comfortable 1 by 5:00 PM. Surprisingly, by 7:00 PM, it drops to 0, giving way to safer evening outdoor conditions. Those planning to bask in the sun should be vigilant between 10:00 AM and 2:00 PM, when the sun's rays are at their fiercest!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:002low45 min
08:004moderate30 min
09:008very high15 min
10:0011extreme10 min
11:0014extreme10 min
12:0014extreme10 min
13:0012extreme10 min
14:009very high15 min
15:005moderate30 min
16:002low45 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Nha Trang

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.

Monthly Maximum UV Index for Nha Trang, Vietnam

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nha Trang. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec111316151413141414131110
Data source: Statistical UV Index data for Nha Trang, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Nha Trang UV Index with Other Vietnam Cities

The table above highlights how UV exposure in Nha Trang compares to other major locations across Vietnam. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Nha Trang's solar exposure compared to other cities in Vietnam. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Hanoi UVI810121213121213131197
Haiphong UVI810121312131313131197
Da Nang UVI10121415141314141312109
Ho Chi Minh City UVI101315141412131413131110
Bien Hoa UVI101415151413141413121110
Nha Trang111316151413141414131110