Ha long Bay Weather in May

During May, Ha long Bay experiences high daytime temperatures of 29°C (84°F) and cooler nights around 25°C (77°F). May sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Ha long Bay in May

As part of the rainy season, Ha long Bay sees around 14 days of rain in May, with an average of 202 mm (8 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Ha long Bay in May

May in Ha long Bay brings high temperatures, with highs of 29°C (84°F) and nights around 25°C (77°F). This kind of day-to-night contrast is typical for this time of year. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Ha long Bay in May

Expect sunny days throughout the month, with an estimated 190 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.

Should you favor a climate that's both dry and comfortably warm, January, February, March, April, November and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.