The temperatures in Ha Long Bay during August are extremely high, between 27°C and hot as 32°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Ha Long Bay.
Ha Long Bay should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Ha Long Bay in August 2025.
If you’re planning to visit Ha Long Bay in the near future, we highly recommend that you review the 14 day weather forecast for Ha Long Bay before you arrive.
Temperatures
32° / 27°
Rainy Days
17
Snowy Days
0
Dry Days
14
Rainfall
464
mm
Sun Hours
10.6
Hrs