UV Index in Haiphong, Vietnam

Last updated: July 2, 2025

In Haiphong, Vietnam, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. With UV levels soaring to a maximum of 13 during midday, understanding these fluctuations can help prevent painful sunburns and long-term skin damage. The city's Cwa climate means it experiences significant sunshine, especially from late morning to early afternoon, which presents serious exposure risks. Stay informed and take the necessary precautions to enjoy the beautiful outdoors safely!

Hourly UV Index in Haiphong

As the day unfolds, the UV Index reveals a dramatic rise in sun intensity. Starting at a mild 2 at 7:00 AM, the index quickly escalates to a moderate 4 by 8:00 AM. The real heat hits at 9:00 AM with a 7, peaking at an intense 10 around 10:00 AM. By 11:00 AM, the UV Index reaches its zenith at 13, remaining high until 12:00 PM. The numbers dip slightly to 11 at 1:00 PM and then to 9 by 2:00 PM, before gently declining to 6 at 3:00 PM. As the sun begins to set, the index falls steadily to 3 at 4:00 PM, and drops to 1 by 5:00 PM, maintaining that low level into the evening with a final 0 at 7:00 PM. This data underscores the need for sun protection during peak hours, particularly from 10 AM to 1 PM when the sun's rays are most powerful!

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
11:0013extreme10 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 Haiphong

Throughout the year, UV Index levels fluctuate significantly, with the highest risk months being from March to October, where values consistently reach extreme levels of 10 or above. Specifically, April, June, July, August, and September all see a peak UV Index of 13, necessitating only 10 minutes of exposure before potential skin damage occurs. In contrast, the UV Index is at its lowest in December and January, with values of 7 and 8, respectively, making burn times of 25 and 15 minutes more tolerable. Visitors and residents are strongly advised to take precautionary measures during the high-risk months by wearing sunscreen, protective clothing, and seeking shade to minimize skin damage. Stay vigilant to ensure your safety while enjoying outdoor activities!

Monthly Maximum UV Index for Haiphong, Vietnam

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Haiphong. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec810121312131313131197
Data source: Statistical UV Index data for Haiphong, 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 Haiphong UV Index with Other Vietnam Cities

The table above highlights how UV exposure in Haiphong 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.
Haiphong's solar exposure compared to other cities in Vietnam. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Hanoi UVI810121213121213131197
Haiphong810121312131313131197
Da Nang UVI10121415141314141312109
Ho Chi Minh City UVI101315141412131413131110
Bien Hoa UVI101415151413141413121110