Ha Long Bay weather in July 2025

Expect 90°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Ha Long Bay in July. Check more long-term weather averages for Ha Long Bay in July before you book your next holiday to Vietnam in 2025/2026.

  • 90°F maximum daytime temperature in July in Ha Long Bay90
    90°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in July in Ha Long Bay15
    15 days with some rainfall
  • 79°F minimum night-time temperature in July in Ha Long Bay79
    79°F min night temperature
  • 13 hours of daylight per day in July in Ha Long Bay13
    13 hours of daylight per day
  • Very high heat & humidity in July in Ha Long BayVH
    Very High heat & humidity
  • 10.5 inches monthly rainfall in July in Ha Long Bay10.5
    10.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Ha Long Bay11
    11+ (Extreme) UV index
  • 84°F sea temperature in July in Ha Long Bay84
    84°F sea temperature

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The July 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 July?

Daytime temperatures usually reach 90°F in Ha Long Bay in July with very high heat and humidity, falling to 79°F at night.

How sunny is it in Ha Long Bay in July?

There are normally 7 hours of bright sunshine each day in Ha Long Bay in July - that's 51% of daylight hours.

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

The average sea temperature around Ha Long Bay in July is 84°F.

Does it rain in Ha Long Bay in July?

There are usually 15 days with some rain in Ha Long Bay in July and the average monthly rainfall is 10.5 inches.

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

On average 2.2 days in July in Ha Long Bay are likely to be affected by the passage of one or more tropical storms.

Ha Long Bay July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:14 18:37
Wednesday, 16th July 2025 05:20 18:36
Thursday, 31st July 2025 05:25 18:31

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