Ha Long Bay weather in March 2025

Expect 23°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Ha Long Bay in March. Check more long-term weather averages for Ha Long Bay in March before you book your next holiday to Vietnam in 2025/2026.

  • 23°C maximum daytime temperature in March in Ha Long Bay23
    23°C max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in March in Ha Long Bay13
    13 days with some rainfall
  • 17°C minimum night-time temperature in March in Ha Long Bay17
    17°C min night temperature
  • 12 hours of daylight per day in March in Ha Long Bay12
    12 hours of daylight per day
  • No heat & humidity in March in Ha Long Bay0
    No heat & humidity
  • 43 mm monthly rainfall in March in Ha Long Bay43
    43 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Ha Long Bay11
    11+ (Extreme) UV index
  • 20°C sea temperature in March in Ha Long Bay20
    20°C sea temperature

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The March weather guide for Vietnam (Ha Long Bay) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Ha Long Bay in March?

Daytime temperatures usually reach 23°C in Ha Long Bay in March, falling to 17°C at night.

How sunny is it in Ha Long Bay in March?

There are normally 3 hours of bright sunshine each day in Ha Long Bay in March - that's 22% of daylight hours.

How warm is the sea around Ha Long Bay in March?

The average sea temperature around Ha Long Bay in March is 20°C.

Does it rain in Ha Long Bay in March?

There are usually 13 days with some rain in Ha Long Bay in March and the average monthly rainfall is 43mm.

Ha Long Bay March sunrise & sunset times

Browse the sunrise and sunset times for Ha Long Bay in March 2025. Select a month to view Ha Long Bay sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:12 17:56
Sunday, 16th March 2025 06:00 18:02
Monday, 31st March 2025 05:46 18:06

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