December is the coldest and driest month of the year in Halong Bay, the temperature in the month suddenly drops to 13 – 19oC, the night temperature can drop below 10oC with dry climate. The day is very short and the night is longer. Monthly average temperature: 18oC, the average high temperature is 22oC, average low temperature is 15oC with 70% humidity. Rain is less, but it feels cold and chilly. December is among the driest month of the year in Halong Bay. Even when temperatures are at their lowest, you should still be able to enjoy outing activities.
If you visit Halong Bay in December, you should wear a warm jacket and scarf because the temperature in the sea is more colder in the inland.
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Halong Bay Weather By Month
|Halong Bay Weather in January||Halong Bay Weather in July|