Ha Long Bay weather in October 2025

Expect 84°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Ha Long Bay in October. Check more long-term weather averages for Ha Long Bay in October before you book your next holiday to Vietnam in 2025/2026.

  • 84°F maximum daytime temperature in October in Ha Long Bay84
    84°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in October in Ha Long Bay11
    11 days with some rainfall
  • 70°F minimum night-time temperature in October in Ha Long Bay70
    70°F min night temperature
  • 12 hours of daylight per day in October in Ha Long Bay12
    12 hours of daylight per day
  • High heat & humidity in October in Ha Long BayH
    High heat & humidity
  • 4.7 inches monthly rainfall in October in Ha Long Bay4.7
    4.7 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in Ha Long Bay10
    10 (Very High) UV index
  • 82°F sea temperature in October in Ha Long Bay82
    82°F sea temperature

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The October 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)  |  Imperial (°F)

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How hot is it in Ha Long Bay in October?

Daytime temperatures usually reach 84°F in Ha Long Bay in October with high heat and humidity, falling to 70°F at night.

How sunny is it in Ha Long Bay in October?

There are normally 6 hours of bright sunshine each day in Ha Long Bay in October - that's 48% of daylight hours.

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

The average sea temperature around Ha Long Bay in October is 82°F.

Does it rain in Ha Long Bay in October?

There are usually 11 days with some rain in Ha Long Bay in October and the average monthly rainfall is 4.7 inches.

What is the chance of a typhoon in Ha Long Bay in October?

On average 1.1 days in October in Ha Long Bay are likely to be affected by the passage of one or more tropical storms.

Ha Long Bay October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:43 17:40
Thursday, 16th October 2025 05:48 17:27
Friday, 31st October 2025 05:54 17:17

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