MyCruiseForecast

Quang Ninh, Vietnam

Ha Long Bay cruise weather by month

What to expect when your ship is in Ha Long Bay in any month: temperatures, how often it rains, wind, sea temperature and wave heights.

Weather in Ha Long Bay by month

Average highs run from 69°F (21°C) in February to 89°F (32°C) in July. Rain falls on the fewest days in December and the most in August. Sea temperature and wave heights are for the water just off the port.

Typical conditions, 2022–2025 climate record (ECMWF). Rain days are days with at least 1 mm of rain or melted snow. These are averages, not a forecast.
MonthHigh / lowRain daysWindSea tempTypical seas
January70 / 57°F21 / 14°C31%10 mph16 km/h65°F18°C2 ft (0.6 m)Slight; rougher days up to 3 ft
February69 / 59°F21 / 15°C32%10 mph16 km/h65°F18°C2 ft (0.6 m)Slight; rougher days up to 3 ft
March75 / 64°F24 / 18°C27%9 mph15 km/h69°F20°C1 ft (0.4 m)Smooth; rougher days up to 3 ft
April82 / 71°F28 / 22°C33%10 mph16 km/h77°F25°C2 ft (0.6 m)Slight; rougher days up to 3 ft
May85 / 75°F30 / 24°C63%10 mph17 km/h83°F28°C2 ft (0.6 m)Slight; rougher days up to 3 ft
June89 / 80°F31 / 27°C83%10 mph16 km/h88°F31°C2 ft (0.6 m)Slight; rougher days up to 3 ft
July89 / 80°F32 / 26°C80%10 mph16 km/h88°F31°C2 ft (0.6 m)Slight; rougher days up to 3 ft
August88 / 79°F31 / 26°C85%9 mph15 km/h88°F31°C2 ft (0.5 m)Slight; rougher days up to 3 ft
September87 / 77°F31 / 25°C79%9 mph15 km/h87°F30°C1 ft (0.4 m)Smooth; rougher days up to 3 ft
October84 / 72°F29 / 22°C29%10 mph17 km/h83°F28°C2 ft (0.5 m)Slight; rougher days up to 3 ft
November81 / 67°F27 / 19°C23%10 mph16 km/h77°F25°C2 ft (0.5 m)Slight; rougher days up to 3 ft
December72 / 59°F22 / 15°C11%10 mph16 km/h69°F21°C2 ft (0.6 m)Slight; rougher days up to 3 ft

Check the forecast for your sailing

Upcoming cruises in Ha Long Bay

10 ships from 8 cruise lines are scheduled here, 14 visits in total. The next 14:

DateShipStopSailing
Sun, Nov 152026Celebrity MillenniumCelebrity CruisesCalls14 nights from Hong Kong
Wed, Nov 182026Star SeekerWindstar CruisesCalls41 nights from Tokyo
Tue, Nov 242026WesterdamHolland America LineCalls14 nights from Hong Kong
Mon, Dec 142026Diamond PrincessPrincess CruisesCalls24 nights from Singapore
Fri, Dec 182026WesterdamHolland America LineCalls14 nights from Singapore
Tue, Dec 222026WesterdamHolland America LineCalls14 nights from Hong Kong
Wed, Dec 232026Oceania NauticaOceania CruisesCalls27 nights from Hong Kong
Sun, Dec 272026Star SeekerWindstar CruisesEnds here10 nights from Laem Chabang (Bangkok)
Sun, Dec 272026Star SeekerWindstar CruisesDeparts21 nights from Ha Long Bay (Quang Ninh, Vietnam)
Wed, Dec 302026Celebrity SolsticeCelebrity CruisesCalls15 nights from Singapore
Thu, Dec 312026Silver MuseSilversea CruisesCalls14 nights from Singapore
Fri, Jan 12027Norwegian JadeNorwegian Cruise LineCalls11 nights from Singapore
Fri, Jan 12027Seabourn EncoreSeabournCalls22 nights from Singapore
Wed, Jan 132027Sapphire PrincessPrincess CruisesCalls42 nights from Singapore

Ships that visit Ha Long Bay

Nearby cruise ports

Wave heights are significant wave height on the Douglas sea state scale. What the numbers mean for a cruise. Sources and method are on the about page.