When to visit

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The climate of Halong is humid and tropical monsoon with a hot, humid summer and dry, cold winter. The temperature of Halong is from 15ºC to 25ºC. Annual rainfall is between 2000mm and 2200mm. It also features the typical diurnal tide system (tide amplitude ranges from 3.5-4m) and the salinity is various from 31 to 34.5MT in dry season and lower in rainy season.

Visiting Ha Long Bay is possible year-round, but check typhoon forecast before you go


Weather features

From March to May

Temperature is from 20°F to 22°F. Someday have light rain. Clear with blue sky.

From June to August

Temperature is from 26°F to 28°F with strong sun. Be carefully with typhoon. Someday have strong rain but quickly.

From September to November

The best time to visit Halong with cool temperature from 26°F to 28°F.

From December to February

Temperature is from 18°F to 20°F. Cold with strong wind. Someday is misty and rainy.

With the above prominent features, the best time to visit Halong is from October through April, even though during the winter months of December, January and February, the weather can be cool and overcast with low visibility.  During the summer months from May to September, temperature rises and storms are possible during the rainy season.


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