The weather in Ha Long Bay in October is very hot. The average temperatures are between 23°C and 29°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Ha Long Bay during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Ha Long Bay in October 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
29° / 23°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
141
mm
Sun Hours
10.0
Hrs
