Considering when to visit Halong Bay, then the weather in Halong Bay considered as semi cold and dry in Winter and hot and humid in Summer time. The weather from November to March is colder and is not suitable for swimming. Summer lasts from early May to late September as the Bay is sunny and great for swimming. It is a general question on when to visit Halong Bay, the weather has two main seasons all year around. From April to September which is often hot and humid and from October to March that is dry and almost cold.
The Halong Bay’s average weather temperature is 24 degree Celsius. In the summer, the average temperature is 35 C. However, the weather during the winter season, it might get as low as 13 degree on the average, and the lowest could be as low as 7 degree. Halong city is one of the most humid cities in Vietnam with the average annual humidity at 87%, which fluctuate from a minimum of 70% to a maximum of 92% in a year.
Following month are showing the best time on when to visit Halong Bay please consider which month is best suit your time-frame or ask away your questions to us.
March to April and May: Temperature: ~ 20°F-22°F; Some day falling some rain; Clear and blue sky
June to July and Aug: Temperature: ~ 26°F-28°F with strong Sun; Carefully with Typhoon; Some day have heavy shower quick rain
Sept to Oct and Nov: Best time to enjoy Halong with cool temperature: ~ 26°F-28°F
Dec to Jan and Feb: Temperature: 18°F~20°F; Cold with strong wind; Some day is misty and rainy