UV Index in Nga Son, Vietnam

Last updated: June 2, 2025

Understanding the UV Index in Nga Son, Vietnam is essential for safeguarding your skin and overall health. With daily UV levels potentially reaching as high as 13 at noon, being aware of these numbers is vital for preventing sunburn and long-term skin damage. Nga Son's climate, characterized by a humid subtropical feel, amplifies these risks, especially during peak sunlight hours from 10 AM to 1 PM. By monitoring the UV Index, residents and visitors can make informed choices to enjoy the beautiful outdoors while protecting themselves from harmful solar radiation.

Hourly UV Index in Nga Son

As dawn breaks, the UV Index begins its journey, starting at a modest 2 at 7:00 AM. By 8:00 AM, it steadily climbs to 4, signaling the approach of stronger rays. The sun reaches its peak intensity at noon, soaring to a remarkable 13. From 11:00 AM to 1:00 PM, the index remains alarmingly high, maxing out at 12 and then gradually declining in the afternoon. By 3:00 PM, it drops to 6 and continues to wane, arriving at a gentle 1 by 5:00 PM. As the day winds down, the UV Index falls to zero by 7:00 PM, presenting a safe reprieve from the sun's rays. Remember to protect your skin during those peak hours when the sun's strength is at its highest!

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
09:007high25 min
10:0010very high15 min
11:0012extreme10 min
12:0013extreme10 min
13:0011extreme10 min
14:009very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Nga Son

Throughout the year, UV Index levels show significant seasonal variation, with the highest readings occurring from March to October. During these months, particularly from May to August, the UV Index reaches an extreme level of 13 to 14, with a burn time as short as 10 minutes. The high-risk months specifically include March through October, necessitating vigilant sun protection measures. Visitors and residents are strongly advised to limit sun exposure, especially during peak hours, wear protective clothing, and apply broad-spectrum sunscreen. In contrast, November and December present a lower risk with UV Index levels of 9 and 7, respectively, and longer burn times, allowing for easier sun safety precautions. Always prioritize skin protection, especially in the peak UV season.

Monthly Maximum UV Index for Nga Son, Vietnam

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nga Son. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131414131197
Data source: Statistical UV Index data for Nga Son, 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 Nga Son UV Index with Other Vietnam Cities

The table above highlights how UV exposure in Nga Son 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.
Nga Son's solar exposure compared to other cities in Vietnam. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Hanoi UVI810121213121213131197
Haiphong UVI810121312131313131197
Nga Son810121313131414131197
Da Nang UVI10121415141314141312109
Ho Chi Minh City UVI101315141412131413131110
Bien Hoa UVI101415151413141413121110