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Ha Long Bay

Ha Long Bay 1
Travel Info
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Travel Info

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Ha Long Bay Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Ha Long Bay year round climate

  • Spring (March–May): Average 70–79°F, mild and comfortable climate with gradually increasing rainfall. Common activities: Exploring Ha Long Bay, boat trips, cave visits. Recommended clothing: Light jacket, long-sleeved shirt, comfortable trousers or skirt.
  • Summer (June–August): Average 84–84°F, hot and humid with abundant rainfall. Common activities: Swimming, water sports, relaxing by the sea. Recommended clothing: Light and breathable clothing, short sleeves, shorts, sun protection clothing, swimwear.
  • Autumn (September–November): Average 81–74°F, comfortable and pleasant climate, with the most rainfall in September, gradually decreasing thereafter. Common activities: Exploring Ha Long Bay, photography, outdoor activities. Recommended clothing: Long-sleeved shirt, light jacket, comfortable trousers or skirt.
  • Winter (December–February): Average 64–63°F, mild and cool with little rainfall. Common activities: Exploring Ha Long Bay, sightseeing, enjoying the peaceful atmosphere. Recommended clothing: Light jacket, long-sleeved shirt, comfortable trousers or skirt.

Ha Long Bay climatological average

Annual average temperature: approx. 75.2°F / Annual rainfall: approx. 1920 mm / Summer humidity: 75%–85% / Rainiest month: September

Ha Long Bay monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
63.3°F
49.7
February
63.7°F
57
March
70.2°F
32.3
April
75.9°F
55
May
79.9°F
167
June
84°F
295.7
July
84.2°F
286.3
August
83.1°F
393.7
September
81.3°F
460.3
October
78.1°F
99.7
November
74.8°F
17.3
December
64.6°F
6.7

Ha Long Bay weather for the next seven days

6/9
Tuesday
Patchy rain nearby
77.7°F/74.3°F
6/10
Wednesday
Patchy rain nearby
80°F/72.8°F
6/11
Thursday
Patchy rain nearby
85.8°F/75.5°F
6/12
Friday
Partly Cloudy
87.9°F/76.7°F
6/13
Saturday
Patchy rain nearby
89.7°F/79.1°F
6/14
Sunday
Moderate rain
82.4°F/79.4°F
6/15
Monday
Patchy rain nearby
80.8°F/77.9°F