Halong Bay Four Seasons
Halong bay weather is typical for tropical coastal climate, which has four main seasons: hot with sporadic rain from April to September and cool with some chilly wind from October to March. So it depends on your preference to decide the best time to visit Halong Bay.
The distinct features: pleasant spring (typically March-April) and autumn (October-December), a chilly winter (December- February) and a hot summer (June - July).
- Spring: February to April: Temperature ~ 17°C – Misty with drizzle
- Summer: May to July: Temperature ~ 28°C – Clear blue sky with occasionally pouring rain
In the summer (from May to October), the whole region is quite hot. Temperature may rise to 37°C (98.6 °F) in the peaks of June and July. Halong City enjoys equitable weather with high average humidity (80%) all year round though they may occasionally be subjected to typhoons and heavy rain in late summers (September)
- Autumn: August to October: Temperature ~ 25°C – Partly cloudy, partly windy, high chance of storm
- Winter: November to February: Temperature ~14°C – Cloudy, cool and rainy
In winter months, the weather gets colder and colder from November to March and considerably warmer in April (a leap into summer). This is also time to observe much cloud and frequent drizzle. The average winter temperature is 17.2°C (62.9°F). Particularly, deep inside bay is often colder; temperature may keep below 10°C (50°F) for long period.
It is possible to visit Ha Long Bay year-round, with the best time to visit from October through April, although 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, temperatures rise and storms are more likely during the rainy season.
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