Month guide · Ha Long Bay · Vietnam
Ha Long Bay in April
What April is really like in Ha Long Bay: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Schwede66, CC BY-SA 3.0
Quick answer
April is one of the best months to visit Ha Long Bay. Expect average highs of 26°C (79°F), lows of 21°C (70°F), about 11 rainy days and roughly 12.6 hours of daylight. One of the best months: warm, clearer skies and calm seas, with kayaking and swimming becoming pleasant.
Key facts
- Average high / low
- 26°C (79°F) / 21°C (70°F)
- Rainy days
- About 11
- Daylight
- About 12.6 hours
- Sea temperature
- 23°C (73°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in April
April is the 7th-warmest month in Ha Long Bay: days average 26°C (79°F) against a yearly average high of 26°C (79°F), and nights fall to about 21°C (70°F). Rain falls on roughly 11 of its 30 days. Compared with March (22°C (72°F)), April is warmer; by May highs climb to around 30°C (86°F).
- Sunrise (15 April)
- About 05:32
- Sunset (15 April)
- About 18:10
- Daylight
- About 12.6 hours
- Sea
- 23°C (73°F)
Spring (March–May). Mist gives way to clearer skies, the sea warms and crowds are moderate apart from the holidays around 30 April.
Crowds and prices
On a 1–5 scale, April rates 3 for crowds (the peak is July at 5) and 3 for hotel prices (highest in July). Prices sit in the middle of the year's range.
Events in April
- Ha Long Carnival — street parade and performances held in some years (usually around late April)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in April
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Nature · Bo Hon Island
Sung Sot Cave
Sung Sot, or Surprise Cave, is one of the largest caves in the bay, reached by steps up the side of Bo Hon Island.
- Time needed
- 1 hour
- Cost
- Low cost
- Iconic
- Rainy day
- Kids
- Nature
Nature · Dau Go Island
Thien Cung Cave
If your cruise visits Sung Sot, you do not need both; pick whichever is on the quieter route that day.
- Time needed
- 45 minutes
- Cost
- Low cost
- Rainy day
- Kids
- Nature
Historic site · Cat Ba Island
Hospital Cave
A natural cave reinforced with concrete during the American War to house a secret hospital and shelter, with operating rooms, wards and a small cinema spread over three levels.
- Time needed
- 45 minutes
- Cost
- Low cost
- History
- Rainy day
- Kids
Museum · Hon Gai
Quang Ninh Museum
The marine floor with skeletons and models is the part children enjoy most.
- Time needed
- 1.5 hours
- Cost
- Low cost
- Rainy day
- History
- Kids
- Architecture
The sea averages 23°C (73°F) — warm enough to swim. Best beaches near Ha Long Bay.
What to pack
For highs near 26°C, lows near 21°C and 11 wet days: light layers for the day and a light jacket for the evening; a packable rain jacket for showers; comfortable walking shoes.
Is April a good time to visit Ha Long Bay?
One of the best months to visit Ha Long Bay, with a notable event on the calendar. The other best months are May and October–November. Compare every month.
Ha Long Bay in other months
Questions travellers ask
+Is April a good time to visit Ha Long Bay?
It is one of the best months to visit Ha Long Bay. One of the best months: warm, clearer skies and calm seas, with kayaking and swimming becoming pleasant.
+How warm is Ha Long Bay in April?
Average highs are around 26°C (79°F) and lows around 21°C (70°F).
+Does it rain a lot in Ha Long Bay in April?
Expect rain on about 11 days of the month.