ClimateForecastDecemberJanuary >>

Ha Long Climate by Month

The temperature in Ha Long can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and pleasant during the cooler months. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Visitors to Ha Long can expect significant temperature changes throughout the year. Average daytime temperatures range from a very warm 32°C in June, the warmest time of the year, to a pleasant 20°C during cooler months like January. At night, temperatures typically average around 15°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Ha Long is known for its substantial rainfall, with annual precipitation reaching 1974 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, August receives heavy rainfall, averaging 407 mm of precipitation, recorded across 16 rainy days. In contrast, the drier season, February brings less rainfall, with 41 mm over 11 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Ha Long. While July receives considerable daily sunshine with up to 6.7 hours, March marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Ha Long in Vietnam

During the months of February, March, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is the rainy season in Ha Long?
    Rainy season in Ha Long occurs in the months of May, June, July, August and September.
  • Which is the warmest month in Ha Long?
    June has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Ha Long?
    The coldest month is January with an average maximum temperature of 20°C.
  • Which is the wettest month in Ha Long?
    August tops the wettest month list with 407 mm of rainfall.
  • Which is the driest month in Ha Long?
    February is the driest month with 41 mm of precipitation.
  • Which is the sunniest month in Ha Long?
    July is the sunniest month with an average of 200 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Ha Long

    Sun   Dec 15
    16°C | 12°C
    NE 14 km/h
    overcast and no rain

    overcast and no rain

    Mon   Dec 16
    20°C | 12°C
    N 7 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Tue   Dec 17
    20°C | 12°C
    NE 14 km/h
    almost clear and no rain

    almost clear and no rain