Ha Long Bay weather in May
Warm and pleasant, with regular rainfall. Average highs of 29°C and lows of 25°C, with around 18 rainy days expected throughout the month.
While May isn't our top-rated month for Ha Long Bay, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
29°C
Average low
25°C
Rainy days
18 days
Best months to visit
March, April, October, November, December
What to do in Ha Long Bay in May
Whatever the weather, Ha Long Bay rewards curious visitors. Here are some of the best ways to spend your time:
Visit iconic Ha Long Bay attractions and temples
Explore local markets and traditional neighborhoods
Experience regional cuisine and dining specialties
Trek or hike nearby mountains or natural features
Engage with local culture and minority communities
Photography opportunities at scenic viewpoints
What to pack for May
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
20C
Mild and comfortable, with occasional showers.
February
20C
Mild and comfortable, with occasional showers.
Recommended
March
23C
Mild and comfortable, with some rainy days.
Recommended
April
26C
Warm and pleasant, with some rainy days.
May (you are here)
29C
Warm and pleasant, with regular rainfall.
June
31C
Hot and humid, with frequent heavy rain.
July
31C
Hot and humid, with frequent heavy rain.
August
30C
Hot and humid, with frequent heavy rain.
September
30C
Hot and humid, with frequent heavy rain.
Recommended
October
28C
Warm and pleasant, with some rainy days.
Recommended
November
25C
Warm and pleasant, with occasional showers.
Recommended
December
21C
Mild and comfortable, with occasional showers.
Book your May trip to Ha Long Bay
Find hotels, tours and experiences for the perfect escape.
